162 FOUS62 KALR 190114 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 907 PM EDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260519 Z DH00/DC202605190107 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.1/ 2.1/ 3.0 PRZ002 1.1/ 2.1/ 3.0 PRZ003 1.1/ 2.1/ 2.8 PRZ004 1.1/ 2.1/ 2.8 PRZ005 1.5/ 1.9/ 2.4 PRZ006 1.5/ 1.9/ 2.4 PRZ007 1.5/ 1.9/ 2.4 PRZ008 1.5/ 1.9/ 2.4 PRZ009 1.5/ 1.9/ 2.4 PRZ010 1.5/ 1.9/ 2.4 PRZ011 1.5/ 1.9/ 2.4 PRZ012 1.8/ 2.8/ 4.0 PRZ013 1.8/ 2.8/ 4.0 VIZ001 2.0/ 3.1/ 4.3 VIZ002 2.1/ 3.3/ 4.5 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  652 FGUS74 KORN 190125 FFHMRX HEADWATER GUIDANCE FOR HSA.....MORRISTOWN TN NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....TENNESSEE : DOET1 3.5/ 3.9/ 4.5/ 5.4/ 6.5 :ELIZABETHTON, TN DOE R. RMTT1 3.5/ 4.2/ 5.5/ 5.6/ 6.5 :ROAN MOUNTAIN, TN DOE R. : :.....VIRGINIA : CLVV2 2.5/ 2.6/ 2.8/ 3.2/ 4.0 :CLEVELAND, VA CLINCH R. .END $$  654 FOUS62 KALR 190125 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 907 PM EDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260519 Z DH00/DC202605190107 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.1/ 2.1/ 3.0 PRZ002 1.1/ 2.1/ 3.0 PRZ003 1.1/ 2.1/ 2.8 PRZ004 1.1/ 2.1/ 2.8 PRZ005 1.5/ 1.9/ 2.4 PRZ006 1.5/ 1.9/ 2.4 PRZ007 1.5/ 1.9/ 2.4 PRZ008 1.5/ 1.9/ 2.4 PRZ009 1.5/ 1.9/ 2.4 PRZ010 1.5/ 1.9/ 2.4 PRZ011 1.5/ 1.9/ 2.4 PRZ012 1.8/ 2.8/ 4.0 PRZ013 1.8/ 2.8/ 4.0 VIZ001 2.0/ 3.1/ 4.3 VIZ002 2.1/ 3.3/ 4.5 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  648 FOUS74 KORN 190125 FFHHUN HEADWATER GUIDANCE FOR HSA.....HUNTSVILLE AL NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ALABAMA : FRYA1 2.2/ 2.4/ 2.6 :FARLEY, AL ALDRIDGE CREEK SHEA1 2.1/ 2.2/ 2.4 :SHERWOOD, AL ALDRIDGE CREEK ATNA1 3.5/ 4.3/ 4.6 :ATHENS, AL LIMESTONE CREEK BPPA1 3.5/ 4.3/ 4.4 :BUCKS POCKET, AL S. SAUTY CREEK MADA1 2.9/ 3.2/ 3.4 :MADISON, AL INDIAN CREEK .END $$  649 FOUS74 KORN 190125 FFHJAN HEADWATER GUIDANCE FOR HSA.....JACKSON MS NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSISSIPPI : MEIM6 3.5/ 4.3/ 4.7 :MERIDIAN, MS SOWASHEE CREEK JCCM6 3.2/ 4.0/ 4.5 :JACKSON, MS CANY CREEK JHMM6 3.5/ 4.1/ 4.8 :JACKSON, MS HANGING MOSS CREEK LYNM6 3.4/ 4.0/ 4.6 :JACKSON, MS LYNCH CREEK TOWM6 3.3/ 4.0/ 4.6 :JACKSON, MS TOWN CREEK UBCM6 3.4/ 4.1/ 4.7 :JACKSON, MS EUBANKS CREEK .END $$  650 FOUS74 KORN 190125 FFHGSP HEADWATER GUIDANCE FOR HSA.....GREENVILLE/SPARTANBURG SC NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....NORTH CAROLINA : ROSN7 3.5/ 5.0/ 5.5/ 6.0/ 6.5 :ROSMAN, NC FRENCH BROAD R. BLTN7 3.5/ 4.7/ 5.5/ 6.0/ 6.5 :BILTMORE, NC SWANNANOAH R. BIRN7 3.5/ 5.0/ 5.5/ 6.0/ 6.5 :BIRDTOWN, NC OCONALUFTEE R. .END $$  651 FOUS74 KORN 190125 FFHLZK HEADWATER GUIDANCE FOR HSA.....LITTLE ROCK AR NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ARKANSAS : BTNA4 3.5/ 4.3/ 4.8 :BENTON, AR SALINE R. CIGA4 2.7/ 2.9/ 3.2 :CLINTON, AR S. FK LZKTLE RED R. HDYA4 3.5/ 4.7/ 5.5 :HARDY, AR SPRING R. .END $$  653 FOUS74 KORN 190125 FFHRNK HEADWATER GUIDANCE FOR HSA.....BLACKSBURG VA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....VIRGINIA : SALV2 2.2/ 2.4/ 2.6/ 3.2/ 4.1 :SALTVILLE, VA N.F. HOLSTON R. SGWN7 1.6/ 1.7/ 1.8/ 2.4/ 3.0 :SUGAR GROVE, NC WATAUGA R. SMFV2 2.8/ 3.0/ 3.3/ 3.8/ 4.5 :SEVEN MILE FORD, VA M.F. HOLSTON R. RLRV2 1.6/ 1.6/ 1.8/ 2.1/ 3.0 :RICHLANDS, VA CLINCH R. .END $$  655 FOUS74 KORN 190125 FFHSHV HEADWATER GUIDANCE FOR HSA.....SHREVEPORT LA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....LOUISIANA : KEIL1 3.5/ 4.2/ 4.4 :KEITHVILLE, LA CYPRESS BAYOU .END $$  656 FOUS74 KORN 190125 FFHLSX HEADWATER GUIDANCE FOR HSA.....ST. LOUIS MO NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSOURI : ANNM7 3.5/ 4.9/ 5.5 :ANNAPOLIS, MO BLACK R. .END $$  657 FOUS74 KORN 190125 FFHFFC HEADWATER GUIDANCE FOR HSA.....ATLANTA GA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 825 PM CDT MON MAY 18 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH00/DC2605190125 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....GEORGIA : ENGG1 2.1/ 2.2/ 2.4 :NEW ENGLAND, GA LOOKOUT CREEK HWEG1 3.5/ 3.9/ 4.8 :HIAWASSEE, GA HIAWASSEE R. .END $$  698 FOUS71 KRHA 190150 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT MON MAY 18 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH00/DC2605190130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.6/ 2.9/ 3.4/ 3.7 :Mahwah (8ft) Ramapo River :MAWN4md 2.9/ 3.2/ 3.8/ 4.2 Mahwah (9) Ramapo River :MAWN4mj 3.9/ 4.4/ 5.4/ 6.0 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.8/ 2.1/ 2.6/ 3.6 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.7/ 1.8/ 2.0/ 2.9 :Lodi (5.5ft) Saddle River :LODN4md 2.1/ 2.2/ 2.6/ 3.7 Lodi (7) Saddle River :LODN4mj 2.4/ 2.5/ 3.0/ 4.2 Lodi (8) Saddle River : Rahway River... SPGN4 2.4/ 2.5/ 2.6/ 3.2 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 3.3/ 3.5/ 4.4/ 4.9 :Chatham (6ft) Passaic River :CAMN4md 5.4/ 5.6/ 6.5/ 7.0 Chatham (7.2) Passaic River :CAMN4mj 6.3/ 6.5/ 7.4/ 8.0 Chatham (8.2) Passaic River : Rockaway River... BOTN4 4.2/ 4.7/ 5.5/ 6.7 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.7/ 5.4/ 6.2/ 7.6 Boonton Abv. (6) Rockaway River :BOTN4mj 5.0/ 5.8/ 6.7/ 8.0 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 3.1/ 3.3/ 3.6/ 3.8 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 3.1/ 3.5/ 4.1/ 5.1 :Stanton (8ft) S. Br. Raritan River :STTN4md 3.3/ 3.7/ 5.1/ 6.0 Stanton (10) S. Br. Raritan River :STTN4mj 3.5/ 4.0/ 5.7/ 6.9 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.7/ 2.9/ 3.2/ 3.5 :Raritan (10ft) N. Br. Raritan River :RRTN4md 2.9/ 3.1/ 3.6/ 4.2 Raritan (12) N. Br. Raritan River :RRTN4mj 3.3/ 3.6/ 4.3/ 5.1 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 4.1/ 4.3/ 4.5/ 4.5 :Blackwells Mills(9ft) Millstone River :BKWN4md 4.2/ 4.4/ 4.6/ 4.6 Blackwells Mills(10) Millstone River :BKWN4mj 4.5/ 4.8/ 5.1/ 5.7 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.7/ 2.9/ 3.3/ 3.7 :Trenton (8.5ft) Assunpink Creek :TACN4md 3.3/ 3.4/ 3.9/ 4.3 Trenton (9.5) Assunpink Creek :TACN4mj 4.0/ 4.1/ 4.7/ 5.2 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  699 FOUS71 KRHA 190150 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT MON MAY 18 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH00/DC2605190130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 1.7/ 1.9/ 2.0/ 2.0 :Cortland (8ft) :CRTN6md 1.8/ 2.0/ 2.2/ 2.4 Cortland (10) :CRTN6mj 2.0/ 2.3/ 2.7/ 3.0 Cortland (12.5) : Chenango River... SHBN6 1.7/ 1.8/ 1.9/ 1.9 :Sherburne (8.5ft) :SHBN6md 1.8/ 1.9/ 2.1/ 2.3 Sherburne (9) :SHBN6mj 1.9/ 2.0/ 2.3/ 2.8 Sherburne (10.6) : Otselic River... CINN6 2.3/ 2.5/ 2.7/ 3.1 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.3/ 2.4/ 2.7/ 2.7 :Campbell (8ft) :CMPN6md 2.4/ 2.6/ 3.2/ 3.3 Campbell (10) :CMPN6mj 2.6/ 2.8/ 3.7/ 3.8 Campbell (11) : Canisteo River... WCRN6 2.1/ 2.2/ 2.4/ 2.7 :West Cameron (17ft) :WCRN6md 2.2/ 2.2/ 2.6/ 2.9 West Cameron (18) :WCRN6mj 2.4/ 2.6/ 3.1/ 3.6 West Cameron (21) : Towanda Creek... MONP1 2.0/ 2.0/ 2.3/ 2.5 :Monroeton (15.5ft) :MONP1md 2.1/ 2.2/ 2.5/ 2.8 Monroeton (17) :MONP1mj 2.4/ 2.4/ 2.9/ 3.3 Monroeton (18.5) : Tunkhannock Creek... TNKP1 1.8/ 1.9/ 2.2/ 2.3 :Tunkhannock (11ft) :TNKP1md 2.0/ 2.1/ 2.6/ 2.7 Tunkhannock (14) :TNKP1mj 2.2/ 2.3/ 3.0/ 3.1 Tunkhannock (17) : Lackawanna River... OFRP1 2.4/ 2.5/ 2.6/ 2.9 :Old Forge (11ft) :OFRP1md 2.5/ 2.6/ 2.8/ 3.1 Old Forge (13) :OFRP1mj 2.7/ 2.8/ 3.1/ 3.5 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 2.7/ 3.0/ 3.6/ 4.0 :Margaretville (11ft) :MRGN6md 3.3/ 3.8/ 4.5/ 5.2 Margaretville (12) :MRGN6mj 4.0/ 4.6/ 5.6/ 6.6 Margaretville (13) : West Branch Delaware River... WALN6 2.1/ 2.1/ 2.2/ 2.3 :Walton (11.5ft) :WALN6md 2.4/ 2.5/ 2.6/ 2.9 Walton (14) :WALN6mj 3.0/ 3.1/ 3.3/ 3.6 Walton (16) : Beaverkill Creek... CKFN6 2.0/ 2.0/ 2.3/ 2.6 :Cooks Falls (10ft) :CKFN6md 2.9/ 3.0/ 3.7/ 4.7 Cooks Falls (16) :CKFN6mj 3.3/ 3.6/ 4.5/ 5.8 Cooks Falls (18) : Lackawaxen River... HWYP1 2.5/ 2.6/ 2.8/ 3.1 :Hawley (14ft) :HWYP1md 3.2/ 3.3/ 3.7/ 4.4 Hawley (20) :HWYP1mj 3.5/ 3.6/ 4.1/ 4.8 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 1.9/ 2.3/ 3.0/ 3.2 :Mansfield (12ft) :MFDP1md 2.1/ 2.5/ 3.3/ 3.6 Mansfield (13) :MFDP1mj 2.3/ 2.8/ 3.8/ 4.2 Mansfield (14) : Penns Creek... PNCP1 2.8/ 3.1/ 3.2/ 3.4 :Penns Creek (8ft) :PNCP1md 3.0/ 3.3/ 3.5/ 4.3 Penns Creek (10) :PNCP1mj 3.2/ 3.6/ 4.1/ 4.9 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 1.9/ 2.0/ 2.3/ 2.3 :Williamsburg (12ft) :WIBP1md 2.0/ 2.1/ 2.4/ 2.4 Williamsburg (13) :WIBP1mj 2.0/ 2.2/ 2.5/ 2.7 Williamsburg (15) : Little Juniata River... SPKP1 1.9/ 1.9/ 2.2/ 2.2 :Spruce Creek (8ft) :SPKP1md 2.0/ 2.1/ 2.4/ 2.7 Spruce Creek (10) :SPKP1mj 2.4/ 2.5/ 3.1/ 3.5 Spruce Creek (14) : Aughwick Creek... SLYP1 2.1/ 2.2/ 2.3/ 2.6 :Shirleysburg (10ft) :SLYP1md 2.3/ 2.4/ 2.6/ 3.0 Shirleysburg (12) :SLYP1mj 4.4/ 4.7/ 5.5/ 7.3 Shirleysburg (20) : Sherman Creek... SMDP1 2.5/ 2.7/ 3.0/ 3.3 :Shermans Dale (9ft) :SMDP1md 2.8/ 3.1/ 3.5/ 3.8 Shermans Dale (11) :SMDP1mj 4.1/ 4.6/ 5.3/ 5.9 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.6/ 3.7/ 3.8/ 3.8 :Hogestown (8ft) :HGSP1md 3.8/ 4.1/ 4.8/ 5.1 Hogestown (10) :HGSP1mj 4.2/ 4.7/ 5.4/ 5.9 Hogestown (12) : Yellow Breeches Creek... CPHP1 2.3/ 2.6/ 2.9/ 3.7 :Camp Hill (7ft) :CPHP1md 2.5/ 2.7/ 3.1/ 4.1 Camp Hill (9) :CPHP1mj 3.0/ 3.3/ 4.0/ 5.2 Camp Hill (13) : Swatara Creek... HTVP1 2.0/ 2.1/ 2.3/ 2.9 :Harper Tavern (9ft) :HTVP1md 2.3/ 2.4/ 2.7/ 3.6 Harper Tavern (12) :HTVP1mj 2.6/ 2.8/ 3.2/ 4.3 Harper Tavern (15) : Conestoga River... LNCP1 2.3/ 2.6/ 2.7/ 3.7 :Lancaster (11ft) :LNCP1md 2.4/ 2.8/ 3.0/ 4.0 Lancaster (13) :LNCP1mj 2.6/ 3.0/ 3.4/ 4.4 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 2.9/ 3.1/ 3.1/ 3.3 :Landingville (8ft) :LGVP1md 3.7/ 4.0/ 4.2/ 4.5 Landingville (12) :LGVP1mj 4.5/ 4.9/ 5.2/ 5.7 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 4.4/ 4.7/ 5.3/ 5.7 :Berne (12ft) :BREP1md 5.4/ 5.8/ 6.6/ 7.1 Berne (14) :BREP1mj 6.5/ 6.9/ 7.4/ 8.0 Berne (16) : Bush Kill... SHOP1 2.7/ 3.2/ 3.5/ 3.5 :Shoemakers (6ft) :SHOP1md 2.9/ 3.4/ 3.9/ 4.4 Shoemakers (7) :SHOP1mj 3.1/ 3.6/ 4.3/ 4.8 Shoemakers (8) : Brodhead Creek... MNSP1 2.0/ 2.3/ 2.9/ 3.7 :Minisink Hills(10ft) :MNSP1md 2.2/ 2.5/ 3.2/ 4.1 Minisink Hills(12) :MNSP1mj 2.4/ 2.8/ 3.8/ 4.8 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.4/ 4.7/ 5.2/ 6.1 :Allentown-10th (8ft) :APAP1md 5.4/ 5.7/ 6.4/ 7.6 Allentown-10th (10) :APAP1mj 6.4/ 6.9/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 2.8/ 3.4/ 3.7/ 4.3 :Graterford (11ft) :GRAP1md 3.2/ 3.9/ 4.2/ 4.9 Graterford (13) :GRAP1mj 3.9/ 4.8/ 5.1/ 6.2 Graterford (16) : Neshaminy Creek... LNGP1 2.7/ 3.2/ 3.2/ 3.6 :Langhorne (9ft) :LNGP1md 3.3/ 3.9/ 4.0/ 4.5 Langhorne (10) :LNGP1mj 3.8/ 4.4/ 4.5/ 5.1 Langhorne (12) : Chester Creek... CHSP1 2.7/ 2.7/ 3.0/ 3.7 :Chester (8ft) :CHSP1md 3.2/ 3.3/ 3.7/ 4.4 Chester (10) :CHSP1mj 4.2/ 4.3/ 4.8/ 5.8 Chester (14) : West Branch Brandywine Creek... MODP1 5.3/ 5.5/ 5.8/ 6.0 :Modena (9ft) :MODP1md 5.8/ 6.1/ 6.5/ 6.8 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 2.4/ 2.4/ 2.5/ 2.6 :Downingtown (7ft) :DWNP1md 3.3/ 3.3/ 3.4/ 3.7 Downingtown (9) :DWNP1mj 4.3/ 4.3/ 4.5/ 4.8 Downingtown (11) : Brandywine Creek... CDFP1 2.3/ 2.8/ 3.2/ 3.4 :Chadds Ford (9ft) :CDFP1md 2.7/ 3.5/ 4.0/ 4.2 Chadds Ford (11) :CDFP1mj 3.2/ 4.1/ 4.8/ 5.0 Chadds Ford (13) : Christina River... CHBD1 2.1/ 2.2/ 2.5/ 3.4 :Coochs Brdg(11ft) :CHBD1md 2.5/ 2.7/ 3.1/ 4.2 Coochs Brdg(12) :CHBD1mj 3.2/ 3.4/ 3.9/ 5.3 Coochs Brdg(13) : White Clay Creek... DPKD1 2.4/ 2.5/ 2.7/ 3.4 :Delaware Pk (13ft) :DPKD1md 3.2/ 3.3/ 3.5/ 4.3 Delaware Pk (15) :DPKD1mj 4.3/ 4.5/ 4.8/ 6.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 2.7/ 3.0/ 3.2/ 3.8 :Wooddale (7ft) :RCCD1md 3.5/ 3.7/ 4.1/ 4.8 Wooddale (8.5) :RCCD1mj 4.2/ 4.5/ 5.0/ 5.8 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260519 Z DH00/DC2605190130/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.2/ 3.3/ 3.7/ 4.4 :Archbald (8ft) :ARHP1md 3.8/ 3.9/ 4.4/ 5.3 Archbald (9) :ARHP1mj 4.5/ 4.6/ 5.1/ 6.3 Archbald (10) PKIP1 3.9/ 4.0/ 4.2/ 4.6 :Scranton (12.5ft.) :PKIP1md 4.2/ 4.3/ 4.5/ 5.0 Scranton (14) :PKIP1mj 4.4/ 4.5/ 4.7/ 5.2 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260519 DC2605190150/DH03/HGIFX/DIH3/ .E1 2.5/2.4/2.4/2.4/2.4/2.4/2.4/2.5 .E PKIP1 20260519 DC2605190150/DH03/HGIFX/DIH3/ .E1 1.8/1.8/1.7/1.7/1.7/1.7/1.7/1.7 $$ NNNN  702 FOUS71 KRHA 190150 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 930 PM EDT MON MAY 18 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH00/DC2605190130/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 3.0/ 3.6/ 4.7 :Kitzmiller (9ft) :KITM2md 3.8/ 5.3/ 6.4/ 8.0 Kitzmiller (11) :KITM2mj 5.8/ 7.0/ 7.4/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.7/ 1.9/ 2.2/ 2.5 :Westernport (8ft) :WSTM2md 2.3/ 2.6/ 3.0/ 3.5 Westernport (10) :WSTM2mj 2.9/ 3.3/ 3.8/ 4.4 Westernport (12) : South Branch Potomac River... FKLW2 2.8/ 3.2/ 3.3/ 3.6 :Franklin (7ft) :FKLW2md 3.2/ 3.9/ 4.1/ 4.6 Franklin (9) :FKLW2mj 3.7/ 4.8/ 5.0/ 5.6 Franklin (11) : South River... WAYV2 4.2/ 4.4/ 5.4/ 5.8 :Waynesboro (9.5ft) :WAYV2md 4.8/ 5.1/ 6.5/ 7.0 Waynesboro (11) :WAYV2mj 5.7/ 6.3/ 7.4/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 5.8/ 6.4/ 7.2/ 7.4 :Cootes Store (15ft) :COOV2md 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (18) :COOV2mj 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (21) : Antietam Creek... SACM2 4.9/ 4.9/ 5.0/ 5.2 :Sharpsburg (8ft) :SACM2md 5.5/ 5.6/ 5.7/ 6.0 Sharpsburg (10) :SACM2mj 6.5/ 6.5/ 6.7/ 7.1 Sharpsburg (12) : Seneca Creek... DAWM2 2.7/ 2.9/ 3.0/ 3.3 :Dawsonville (7.5ft) :DAWM2md 4.5/ 4.8/ 5.0/ 5.5 Dawsonville (11) :DAWM2mj 6.5/ 7.0/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 3.7/ 4.6/ 5.5/ 6.5 :Buena Vista (17ft) :BVSV2cs 3.3/ 3.9/ 5.0/ 5.5 Buena Vista (13) :BVSV2md 3.9/ 4.9/ 5.9/ 6.8 Buena Vista (19) :BVSV2mj 4.2/ 5.2/ 6.2/ 7.2 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive., Washington DC .B RHA 260519 Z DH00/DC2605190130/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.8/ 1.9/ 2.1/ 2.5 :Washington, DC (7ft) :RCKD2md 2.4/ 2.7/ 3.0/ 3.6 Washington, DC (10) :RCKD2mj 3.2/ 3.5/ 3.9/ 4.7 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260519 DC2605190150/DH03/HGIFX/DIH3/ .E1 2.1/2.1/2.1/2.1/2.1/2.1/2.1/2.1 $$ NNNN  237 FOUS73 KMSR 190200 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 1.7/ 1.8/ 1.9 :EWING MO 5E NORTH FABIUS R EWMM7 2.2/ 2.3/ 2.4 :EWING MO 1NNE MIDDLE FABIUS R PALM7 0.9/ 1.0/ 1.0 :PALMYRA MO NORTH R TAYM7 1.1/ 1.4/ 1.7 :TAYLOR MO S FABIUS R PMZM7 1.5/ 1.5/ 1.6 :HOLLIDAY MO 2N MI FK SALT R TRYM7 0.5/ 1.0/ 1.0 :TROY MO CUIVRE R DRCM7 0.5/ 1.0/ 1.0 :ST PETERS MO DARDENNE CR LSLM7 0.5/ 1.0/ 1.0 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 0.5/ 1.0/ 1.0 :LAKE ST LOUIS MO PERUQUE CR CSNM7 0.5/ 1.0/ 1.0 :COOK STATION MO 1N MERAMEC R SEEM7 0.6/ 1.0/ 1.0 :STEELVILLE MO 2N MERAMEC R UNNM7 2.1/ 2.2/ 2.3 :UNION MO BOURBEUSE R BYRM7 1.6/ 1.7/ 1.8 :BYRNESVILLE MO 2NNE BIG R .END $$  244 FOUS73 KMSR 190200 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.2/ 2.5/ 2.7 :AFTON WI ROCK R BCHW3 1.5/ 1.6/ 1.7 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 2.2/ 2.4/ 2.8 :BUNCOMBE WI GALENA R DARW3 1.8/ 2.0/ 2.4 :DARLINGTON WI PECATONICA R MTNW3 1.5/ 1.7/ 2.2 :MARTINTOWN WI PECATONICA R MAZW3 1.9/ 2.0/ 2.0 :MAZOMANIE WI BLACK EARTH CR KINW3 3.5/ 4.0/ 4.5 :MILWAUKEE WI KINNICKINNIC R SEBW3 2.2/ 2.3/ 2.3 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.4/ 3.4/ 3.4 :WAUKESHA WI FOX R WWTW3 3.5/ 3.7/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 2.1/ 2.2/ 2.3 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.7/ 2.8/ 3.0 :SOUTH MILWAUKEE OAK CR .END $$  259 FOUS73 KMSR 190200 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 2.0/ 2.1/ 2.3 :ACKWORTH IA SOUTH R AMWI4 2.0/ 2.0/ 2.1 :AMES IA IOWAY CR BSSI4 1.9/ 2.0/ 2.2 :BUSSEY IA CEDAR CR DFMI4 2.5/ 2.6/ 2.7 :DSM-EASTON FOUR MILE CR CLVI4 1.8/ 2.1/ 2.4 :CLIVE I-80/35 WALNUT CR DOSI4 1.9/ 2.1/ 2.4 :DSM-63RD ST WALNUT CR MCWI4 2.5/ 2.6/ 2.7 :MASON CITY IA WINNEBAGO R .END $$  268 FOUS73 KMSR 190200 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.7/ 2.9/ 3.1 :CHICAGO IL N BR CHICAGO R CDCI2 2.4/ 2.7/ 3.2 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.5/ 3.1/ 3.9 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.4/ 3.4/ 3.6 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.9 :DES PLAINES IL WELLER CR EMHI2 2.5/ 2.9/ 3.4 :ELMHURST IL SALT CR FLSI2 2.4/ 2.9/ 3.4 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 3.1/ 3.6/ 3.9 :GLENWOOD IL THORN CR GUNI2 3.2/ 3.3/ 3.5 :GURNEE IL DES PLAINES R JHCI2 2.1/ 2.3/ 2.5 :JOLIET IL HICKORY CR LAFI2 2.5/ 3.1/ 3.9 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.1/ 3.3/ 3.6 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.3/ 3.6/ 4.0 :PROSPECT HTS IL MCDONALD CR ALPI2 1.9/ 2.0/ 2.1 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 2.2/ 2.5/ 2.8 :ROCKFORD IL LEVINGS LAKE PPLI2 2.3/ 2.6/ 3.0 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.7/ 3.1/ 3.6 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 4.0/ 4.4 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.8/ 4.1 :SHOREWOOD IL DU PAGE R THNI2 2.1/ 2.1/ 2.1 :THORNTON IL THORN CR WHEI2 3.0/ 3.2/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.5/ 2.6/ 2.6 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.4 :DYER IN HART DITCH MNTI3 3.5/ 3.7/ 3.8 :MUNSTER IN HART DITCH LCMI3 2.5/ 2.5/ 2.6 :MUNSTER IN LITTLE CALUMET R PRTI3 1.9/ 1.9/ 1.9 :PORTER IN LITTLE CALUMET R .END $$  273 FOUS73 KMSR 190200 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.5/ 3.6/ 3.6 :CAMPBELL MN 1W SO FK RABBIT R MALM5 2.9/ 3.4/ 3.4 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.2/ 2.3/ 2.4 :LARIMORE ND 5ENE TURTLE R .END $$  274 FOUS73 KMSR 190200 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 2.1/ 2.2/ 2.4 :JORDAN MN SAND CR PNLM5 2.5/ 2.7/ 3.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.3/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.3/ 3.4/ 3.5 :WANAMINGO MN NO FK ZUMBRO R .END $$  275 FOUS73 KMSR 190200 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 1.8/ 1.9/ 1.9 :ROWELL IL SALT CR .END $$  276 FOUS73 KMSR 190200 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.4/ 3.5/ 3.7 :DECORAH IA UPPER IOWA R DCHI4 2.0/ 2.2/ 2.4 :DORCHESTER IA UPPER IOWA R GRBI4 1.6/ 1.7/ 1.9 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 1.8/ 2.1/ 2.4 :AUSTIN WWTP MN CEDAR R DOBM5 2.4/ 2.5/ 2.8 :AUSTIN MN-21ST DOBBINS CR TRCM5 2.8/ 3.2/ 3.9 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 1.5/ 1.7/ 1.9 :HOUSTON MN ROOT R LNSM5 2.5/ 3.0/ 3.5 :LANESBORO MN S BR ROOT R LANM5 2.2/ 2.4/ 2.6 :LANSING MN CEDAR R PTNM5 2.5/ 2.8/ 3.7 :PRESTON MN S BR ROOT R RBCM5 2.9/ 3.1/ 3.4 :ROCHESTER MN BEAR CR RCCM5 2.4/ 2.5/ 2.7 :ROCHESTER MN CASCADE CR ROCM5 3.0/ 3.1/ 3.4 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.3 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 2.7/ 3.0/ 3.5 :ROCHESTER MN S FK ZUMBRO R WSPM5 1.9/ 2.1/ 2.5 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 2.7/ 3.0/ 3.6 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 1.7/ 1.8/ 1.8 :BURTON WI GRANT R DDGW3 2.8/ 2.8/ 2.8 :DODGE WI TREMPEALEAU R GMIW3 2.4/ 2.6/ 3.0 :GAYS MILLS WI KICKAPOO R HILW3 1.3/ 1.4/ 1.5 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.4/ 2.5/ 2.6 :LA FARGE WI KICKAPOO R NEIW3 1.9/ 2.3/ 2.7 :NEILLSVILLE WI BLACK R ONTW3 2.7/ 2.8/ 2.9 :ONTARIO WI KICKAPOO R REAW3 2.2/ 2.4/ 2.4 :READSTOWN WI KICKAPOO R RVLW3 1.8/ 1.9/ 2.0 :ROCKVILLE WI 2E PLATTE R SOGW3 2.2/ 2.3/ 2.3 :SOLDIERS GROVE WI KICKAPOO R STEW3 2.1/ 2.2/ 2.3 :STEUBEN WI KICKAPOO R VIOW3 2.2/ 2.3/ 2.4 :VIOLA WI KICKAPOO R .END $$  277 FOUS73 KMSR 190200 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 PM CDT MON MAY 18 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH00/DC2605190200 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 1.7/ 1.8/ 1.8 :MAYFIELD MI BOARDMAN R RUDM4 3.1/ 3.2/ 3.3 :RUDYARD MI PINE RIVER .END $$  486 AWUS01 KWNH 190502 FFGMPD MOZ000-ARZ000-OKZ000-KSZ000-191000- Mesoscale Precipitation Discussion 0188 NWS Weather Prediction Center College Park MD 101 AM EDT Tue May 19 2026 Areas affected...northeastern OK into southeastern KS, southwestern/central MO and northwestern AR Concerning...Heavy rainfall...Flash flooding possible Valid 190457Z - 191000Z Summary...Isolated to widely scattered instances of flash flooding will be possible through 10Z from northeastern OK into southeastern KS, southwestern to central MO, and perhaps far northwestern AR. Hourly rainfall of 1 to 2 inches is expected, but values may locally exceed 2 inches. Discussion...04Z surface observations showed a cold front extending from northeastern KS into northwestern OK and the northern TX Panhandle, preceded by a line of thunderstorms which arced from central MO into southeastern KS. An outflow boundary was located at the leading edge of the thunderstorms with a faster southeast motion over MO as compared to KS, allowing convective line orientation to match that of the mean steering flow from the WSW, supporting training and hourly rain of 1 to 2+ inches. 04Z SPC mesoanalysis data showed 1000 J/kg MLCAPE in central MO, increasing to as much as 3000 J/kg MLCAPE in north-central OK, west of I-35, out ahead of the outflow boundary. A strong southerly low level jet was observed over central OK (65 kt at 850 mb VAD wind plots from KTLX and KINX), veering and weakening slightly into MO. This orientation will favor the best angle (closest to orthogonal) into the southward sagging boundary over OK where continued convective development is likely as the front/outflow move south over the next few hours. The convective line orientation will support WNW to ENE training at times with 1 to 2+ in/hr rainfall and possible flash flooding from an additional 2 to 4+ inches through 09Z. Flash flood potential will be increased should training overlap with urban locations or lowered flash flood guidance due to heavy rain over the past 24 hours. Otto ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...EAX...ICT...LSX...OUN...SGF...TOP...TSA... ATTN...RFC...KRF...MSR...ORN...TUA...NWC... LAT...LON 38989302 38819179 37939125 37089184 36359389 35899567 35629673 35779761 36699814 37629629  756 FOUS71 KRHA 190750 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH06/DC2605190730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.7/ 2.9/ 3.4/ 3.8 :Mahwah (8ft) Ramapo River :MAWN4md 2.9/ 3.2/ 3.8/ 4.3 Mahwah (9) Ramapo River :MAWN4mj 3.9/ 4.4/ 5.4/ 6.0 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.8/ 2.1/ 2.6/ 3.6 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.7/ 1.8/ 2.1/ 2.9 :Lodi (5.5ft) Saddle River :LODN4md 2.1/ 2.2/ 2.6/ 3.7 Lodi (7) Saddle River :LODN4mj 2.4/ 2.6/ 3.0/ 4.2 Lodi (8) Saddle River : Rahway River... SPGN4 2.4/ 2.5/ 2.6/ 3.2 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 3.4/ 3.5/ 4.4/ 4.9 :Chatham (6ft) Passaic River :CAMN4md 5.5/ 5.6/ 6.5/ 7.1 Chatham (7.2) Passaic River :CAMN4mj 6.3/ 6.5/ 7.4/ 8.0 Chatham (8.2) Passaic River : Rockaway River... BOTN4 4.2/ 4.8/ 5.5/ 6.7 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.7/ 5.4/ 6.2/ 7.7 Boonton Abv. (6) Rockaway River :BOTN4mj 5.0/ 5.8/ 6.7/ 8.0 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 3.1/ 3.3/ 3.7/ 3.8 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 3.1/ 3.5/ 4.1/ 5.1 :Stanton (8ft) S. Br. Raritan River :STTN4md 3.3/ 3.7/ 5.1/ 6.1 Stanton (10) S. Br. Raritan River :STTN4mj 3.5/ 4.0/ 5.7/ 7.0 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.7/ 2.9/ 3.3/ 3.5 :Raritan (10ft) N. Br. Raritan River :RRTN4md 2.9/ 3.1/ 3.6/ 4.2 Raritan (12) N. Br. Raritan River :RRTN4mj 3.3/ 3.6/ 4.3/ 5.1 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 4.1/ 4.3/ 4.6/ 4.6 :Blackwells Mills(9ft) Millstone River :BKWN4md 4.2/ 4.4/ 4.6/ 4.6 Blackwells Mills(10) Millstone River :BKWN4mj 4.6/ 4.8/ 5.2/ 5.8 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.7/ 2.9/ 3.3/ 3.7 :Trenton (8.5ft) Assunpink Creek :TACN4md 3.3/ 3.4/ 3.9/ 4.3 Trenton (9.5) Assunpink Creek :TACN4mj 4.0/ 4.2/ 4.7/ 5.2 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  758 FOUS71 KRHA 190750 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH06/DC2605190730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 1.7/ 1.9/ 2.0/ 2.0 :Cortland (8ft) :CRTN6md 1.8/ 2.0/ 2.3/ 2.5 Cortland (10) :CRTN6mj 2.1/ 2.3/ 2.7/ 3.1 Cortland (12.5) : Chenango River... SHBN6 1.7/ 1.8/ 2.0/ 2.0 :Sherburne (8.5ft) :SHBN6md 1.8/ 1.9/ 2.1/ 2.3 Sherburne (9) :SHBN6mj 1.9/ 2.0/ 2.3/ 2.8 Sherburne (10.6) : Otselic River... CINN6 2.3/ 2.5/ 2.7/ 3.2 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.3/ 2.4/ 2.7/ 2.7 :Campbell (8ft) :CMPN6md 2.5/ 2.6/ 3.2/ 3.3 Campbell (10) :CMPN6mj 2.6/ 2.9/ 3.7/ 3.9 Campbell (11) : Canisteo River... WCRN6 2.1/ 2.2/ 2.5/ 2.8 :West Cameron (17ft) :WCRN6md 2.2/ 2.3/ 2.6/ 2.9 West Cameron (18) :WCRN6mj 2.4/ 2.6/ 3.1/ 3.6 West Cameron (21) : Towanda Creek... MONP1 2.0/ 2.0/ 2.2/ 2.5 :Monroeton (15.5ft) :MONP1md 2.1/ 2.1/ 2.5/ 2.8 Monroeton (17) :MONP1mj 2.3/ 2.4/ 2.8/ 3.3 Monroeton (18.5) : Tunkhannock Creek... TNKP1 1.9/ 1.9/ 2.2/ 2.3 :Tunkhannock (11ft) :TNKP1md 2.0/ 2.1/ 2.6/ 2.7 Tunkhannock (14) :TNKP1mj 2.2/ 2.4/ 3.0/ 3.2 Tunkhannock (17) : Lackawanna River... OFRP1 2.4/ 2.5/ 2.7/ 2.9 :Old Forge (11ft) :OFRP1md 2.6/ 2.6/ 2.8/ 3.2 Old Forge (13) :OFRP1mj 2.7/ 2.8/ 3.1/ 3.5 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 2.7/ 3.1/ 3.6/ 4.1 :Margaretville (11ft) :MRGN6md 3.4/ 3.8/ 4.5/ 5.2 Margaretville (12) :MRGN6mj 4.1/ 4.6/ 5.6/ 6.6 Margaretville (13) : West Branch Delaware River... WALN6 2.1/ 2.1/ 2.2/ 2.4 :Walton (11.5ft) :WALN6md 2.4/ 2.5/ 2.7/ 2.9 Walton (14) :WALN6mj 3.0/ 3.1/ 3.4/ 3.7 Walton (16) : Beaverkill Creek... CKFN6 2.0/ 2.1/ 2.3/ 2.6 :Cooks Falls (10ft) :CKFN6md 2.9/ 3.1/ 3.8/ 4.7 Cooks Falls (16) :CKFN6mj 3.3/ 3.6/ 4.5/ 5.8 Cooks Falls (18) : Lackawaxen River... HWYP1 2.5/ 2.6/ 2.8/ 3.2 :Hawley (14ft) :HWYP1md 3.2/ 3.3/ 3.8/ 4.4 Hawley (20) :HWYP1mj 3.5/ 3.6/ 4.1/ 4.9 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 2.0/ 2.3/ 3.0/ 3.3 :Mansfield (12ft) :MFDP1md 2.1/ 2.5/ 3.3/ 3.6 Mansfield (13) :MFDP1mj 2.3/ 2.8/ 3.8/ 4.2 Mansfield (14) : Penns Creek... PNCP1 2.8/ 3.0/ 3.2/ 3.3 :Penns Creek (8ft) :PNCP1md 2.9/ 3.2/ 3.5/ 4.2 Penns Creek (10) :PNCP1mj 3.2/ 3.5/ 4.1/ 4.9 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 2.0/ 2.0/ 2.3/ 2.3 :Williamsburg (12ft) :WIBP1md 2.0/ 2.1/ 2.4/ 2.4 Williamsburg (13) :WIBP1mj 2.1/ 2.2/ 2.6/ 2.7 Williamsburg (15) : Little Juniata River... SPKP1 1.8/ 1.9/ 2.1/ 2.2 :Spruce Creek (8ft) :SPKP1md 2.0/ 2.1/ 2.4/ 2.6 Spruce Creek (10) :SPKP1mj 2.4/ 2.5/ 3.1/ 3.5 Spruce Creek (14) : Aughwick Creek... SLYP1 2.1/ 2.2/ 2.3/ 2.7 :Shirleysburg (10ft) :SLYP1md 2.3/ 2.4/ 2.6/ 3.1 Shirleysburg (12) :SLYP1mj 4.4/ 4.8/ 5.5/ 7.4 Shirleysburg (20) : Sherman Creek... SMDP1 2.5/ 2.7/ 3.0/ 3.3 :Shermans Dale (9ft) :SMDP1md 2.8/ 3.1/ 3.5/ 3.8 Shermans Dale (11) :SMDP1mj 4.1/ 4.7/ 5.4/ 5.9 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.6/ 3.7/ 3.9/ 3.9 :Hogestown (8ft) :HGSP1md 3.8/ 4.1/ 4.9/ 5.1 Hogestown (10) :HGSP1mj 4.2/ 4.7/ 5.4/ 5.9 Hogestown (12) : Yellow Breeches Creek... CPHP1 2.4/ 2.6/ 2.9/ 3.7 :Camp Hill (7ft) :CPHP1md 2.5/ 2.7/ 3.1/ 4.1 Camp Hill (9) :CPHP1mj 3.0/ 3.3/ 4.0/ 5.2 Camp Hill (13) : Swatara Creek... HTVP1 2.0/ 2.1/ 2.3/ 3.0 :Harper Tavern (9ft) :HTVP1md 2.3/ 2.4/ 2.7/ 3.6 Harper Tavern (12) :HTVP1mj 2.7/ 2.9/ 3.2/ 4.3 Harper Tavern (15) : Conestoga River... LNCP1 2.3/ 2.6/ 2.7/ 3.7 :Lancaster (11ft) :LNCP1md 2.4/ 2.8/ 3.0/ 4.0 Lancaster (13) :LNCP1mj 2.6/ 3.0/ 3.4/ 4.4 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 3.0/ 3.1/ 3.2/ 3.3 :Landingville (8ft) :LGVP1md 3.7/ 4.0/ 4.2/ 4.5 Landingville (12) :LGVP1mj 4.5/ 4.9/ 5.2/ 5.7 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 4.4/ 4.7/ 5.3/ 5.7 :Berne (12ft) :BREP1md 5.4/ 5.8/ 6.6/ 7.2 Berne (14) :BREP1mj 6.5/ 6.9/ 7.4/ 8.0 Berne (16) : Bush Kill... SHOP1 2.8/ 3.2/ 3.5/ 3.5 :Shoemakers (6ft) :SHOP1md 2.9/ 3.4/ 3.9/ 4.4 Shoemakers (7) :SHOP1mj 3.1/ 3.6/ 4.3/ 4.9 Shoemakers (8) : Brodhead Creek... MNSP1 2.1/ 2.4/ 3.0/ 3.8 :Minisink Hills(10ft) :MNSP1md 2.2/ 2.6/ 3.3/ 4.2 Minisink Hills(12) :MNSP1mj 2.5/ 2.9/ 3.8/ 4.8 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.4/ 4.7/ 5.2/ 6.1 :Allentown-10th (8ft) :APAP1md 5.4/ 5.8/ 6.4/ 7.7 Allentown-10th (10) :APAP1mj 6.4/ 6.9/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 2.9/ 3.4/ 3.7/ 4.3 :Graterford (11ft) :GRAP1md 3.2/ 3.9/ 4.2/ 5.0 Graterford (13) :GRAP1mj 3.9/ 4.8/ 5.1/ 6.2 Graterford (16) : Neshaminy Creek... LNGP1 2.7/ 3.2/ 3.3/ 3.6 :Langhorne (9ft) :LNGP1md 3.4/ 3.9/ 4.0/ 4.5 Langhorne (10) :LNGP1mj 3.8/ 4.4/ 4.6/ 5.1 Langhorne (12) : Chester Creek... CHSP1 2.7/ 2.7/ 3.0/ 3.7 :Chester (8ft) :CHSP1md 3.2/ 3.3/ 3.7/ 4.5 Chester (10) :CHSP1mj 4.2/ 4.3/ 4.8/ 5.8 Chester (14) : West Branch Brandywine Creek... MODP1 5.3/ 5.5/ 5.8/ 6.1 :Modena (9ft) :MODP1md 5.8/ 6.1/ 6.5/ 6.8 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 2.4/ 2.4/ 2.5/ 2.7 :Downingtown (7ft) :DWNP1md 3.3/ 3.3/ 3.4/ 3.7 Downingtown (9) :DWNP1mj 4.3/ 4.3/ 4.5/ 4.8 Downingtown (11) : Brandywine Creek... CDFP1 2.3/ 2.8/ 3.2/ 3.4 :Chadds Ford (9ft) :CDFP1md 2.7/ 3.5/ 4.0/ 4.2 Chadds Ford (11) :CDFP1mj 3.2/ 4.1/ 4.8/ 5.0 Chadds Ford (13) : Christina River... CHBD1 2.1/ 2.2/ 2.5/ 3.4 :Coochs Brdg(11ft) :CHBD1md 2.5/ 2.7/ 3.1/ 4.2 Coochs Brdg(12) :CHBD1mj 3.2/ 3.4/ 4.0/ 5.3 Coochs Brdg(13) : White Clay Creek... DPKD1 2.4/ 2.5/ 2.7/ 3.4 :Delaware Pk (13ft) :DPKD1md 3.2/ 3.3/ 3.5/ 4.4 Delaware Pk (15) :DPKD1mj 4.4/ 4.5/ 4.9/ 6.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 2.7/ 3.0/ 3.3/ 3.8 :Wooddale (7ft) :RCCD1md 3.5/ 3.7/ 4.2/ 4.8 Wooddale (8.5) :RCCD1mj 4.2/ 4.5/ 5.0/ 5.9 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260519 Z DH06/DC2605190730/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.3/ 3.4/ 3.7/ 4.4 :Archbald (8ft) :ARHP1md 3.9/ 4.0/ 4.4/ 5.4 Archbald (9) :ARHP1mj 4.5/ 4.6/ 5.2/ 6.4 Archbald (10) PKIP1 4.0/ 4.1/ 4.2/ 4.7 :Scranton (12.5ft.) :PKIP1md 4.3/ 4.4/ 4.5/ 5.0 Scranton (14) :PKIP1mj 4.4/ 4.5/ 4.7/ 5.2 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260519 DC2605190750/DH09/HGIFX/DIH3/ .E1 2.5/2.4/2.4/2.4/2.4/2.4/2.5/2.4 .E PKIP1 20260519 DC2605190750/DH09/HGIFX/DIH3/ .E1 1.7/1.7/1.7/1.7/1.7/1.7/1.7/1.7 $$ NNNN  759 FOUS71 KRHA 190750 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH06/DC2605190730/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 2.9/ 3.5/ 4.6 :Kitzmiller (9ft) :KITM2md 3.7/ 5.2/ 6.3/ 8.0 Kitzmiller (11) :KITM2mj 5.7/ 7.0/ 7.4/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.7/ 1.9/ 2.2/ 2.5 :Westernport (8ft) :WSTM2md 2.3/ 2.6/ 3.0/ 3.5 Westernport (10) :WSTM2mj 2.9/ 3.3/ 3.8/ 4.4 Westernport (12) : South Branch Potomac River... FKLW2 2.8/ 3.2/ 3.3/ 3.6 :Franklin (7ft) :FKLW2md 3.2/ 3.9/ 4.1/ 4.6 Franklin (9) :FKLW2mj 3.7/ 4.8/ 5.0/ 5.6 Franklin (11) : South River... WAYV2 4.2/ 4.4/ 5.4/ 5.8 :Waynesboro (9.5ft) :WAYV2md 4.8/ 5.2/ 6.5/ 7.1 Waynesboro (11) :WAYV2mj 5.7/ 6.3/ 7.4/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 5.8/ 6.4/ 7.2/ 7.4 :Cootes Store (15ft) :COOV2md 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (18) :COOV2mj 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (21) : Antietam Creek... SACM2 4.9/ 4.9/ 5.0/ 5.2 :Sharpsburg (8ft) :SACM2md 5.5/ 5.6/ 5.7/ 6.0 Sharpsburg (10) :SACM2mj 6.5/ 6.5/ 6.7/ 7.1 Sharpsburg (12) : Seneca Creek... DAWM2 2.7/ 2.9/ 3.0/ 3.3 :Dawsonville (7.5ft) :DAWM2md 4.5/ 4.8/ 5.0/ 5.6 Dawsonville (11) :DAWM2mj 6.5/ 7.0/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 3.7/ 4.6/ 5.6/ 6.5 :Buena Vista (17ft) :BVSV2cs 3.3/ 4.0/ 5.0/ 5.6 Buena Vista (13) :BVSV2md 3.9/ 4.9/ 5.9/ 6.8 Buena Vista (19) :BVSV2mj 4.2/ 5.2/ 6.3/ 7.2 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive., Washington DC .B RHA 260519 Z DH06/DC2605190730/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.8/ 1.9/ 2.1/ 2.5 :Washington, DC (7ft) :RCKD2md 2.4/ 2.7/ 3.0/ 3.6 Washington, DC (10) :RCKD2mj 3.2/ 3.5/ 3.9/ 4.7 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260519 DC2605190750/DH09/HGIFX/DIH3/ .E1 2.1/2.1/2.1/2.1/2.1/2.1/2.1/2.1 $$ NNNN  694 AWUS01 KWNH 191318 FFGMPD MOZ000-ARZ000-OKZ000-191830- Mesoscale Precipitation Discussion 0189 NWS Weather Prediction Center College Park MD 917 AM EDT Tue May 19 2026 Areas affected...Ozarks Concerning...Heavy rainfall...Flash flooding likely Valid 191317Z - 191830Z Summary...Scattered instances of flash flooding likely, with possible localized considerable impact, over the Ozarks rest of the morning. Hourly rainfall of 1 to 2 inches is expected to continue with 3 to 4 inches possible in three hours. Discussion...A cold front continues to push southeast toward the ozarks with prefrontal organized activity still with two distinct areas currently over northern AR and over eastern OK. The junction of these two MCSs caused 2-5" rainfall near the OK/MO border early this morning with rainfall rates of 1-2"/hr still occurring over southwest MO and northern AR. An MCV is likely to develop in the left bookend from the OK MCS that generally works its way east along the MO/AR border rest of the morning. SWly low level flow is parallel to the outflow from eastern OK which should allow for an additional round of heavy rainfall. This area is quite dry with high flash flood guidance, but the Ozarks are a known flash flood prone area with the terrain and high runoff, so there are concerns for considerable impacts from 2-4" in a few hours. 1500 J/kg MLCAPE and 1.8" PW with SWly flow of 20-25kt is sufficient to support repeating heavy thunderstorms along over much of the Ozarks rest of this morning. Recent HRRR and RRFS runs appear to be under analyzing the left bookend/MCV development risk. Those models place greater QPF focus over southeastern OK where activity is currently progressive. Jackson ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...LZK...SGF...TSA... ATTN...RFC...ORN...TUA...NWC... LAT...LON 36919319 36699203 36449141 35449183 35079313 35239454 35969486 36529458 36899422  950 FOUS71 KRHA 191350 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 931 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH12/DC2605191331/DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 2.9/ 3.5/ 4.5/ 5.7 :Kitzmiller (9ft) :KITM2md 3.6/ 5.1/ 6.3/ 8.0/ 8.4 Kitzmiller (11) :KITM2mj 5.7/ 7.0/ 7.4/ 8.0/ 8.4 Kitzmiller (13) : Georges Creek... WSTM2 1.7/ 1.9/ 2.2/ 2.6/ 3.4 :Westernport (8ft) :WSTM2md 2.3/ 2.6/ 3.1/ 3.5/ 4.6 Westernport (10) :WSTM2mj 2.9/ 3.3/ 3.8/ 4.4/ 5.9 Westernport (12) : South Branch Potomac River... FKLW2 2.8/ 3.2/ 3.3/ 3.6/ 4.2 :Franklin (7ft) :FKLW2md 3.2/ 4.0/ 4.2/ 4.6/ 5.4 Franklin (9) :FKLW2mj 3.7/ 4.8/ 5.1/ 5.6/ 6.6 Franklin (11) : South River... WAYV2 4.2/ 4.5/ 5.4/ 5.8/ 6.6 :Waynesboro (9.5ft) :WAYV2md 4.8/ 5.2/ 6.5/ 7.1/ 8.2 Waynesboro (11) :WAYV2mj 5.8/ 6.3/ 7.4/ 8.0/ 8.4 Waynesboro (13) : North Fork Shenandoah River... COOV2 5.8/ 6.4/ 7.2/ 7.4/ 8.2 :Cootes Store (15ft) :COOV2md 6.5/ 7.0/ 7.4/ 8.0/ 8.4 Cootes Store (18) :COOV2mj 6.5/ 7.0/ 7.4/ 8.0/ 8.4 Cootes Store (21) : Antietam Creek... SACM2 4.9/ 4.9/ 5.0/ 5.2/ 5.6 :Sharpsburg (8ft) :SACM2md 5.5/ 5.6/ 5.7/ 6.0/ 6.5 Sharpsburg (10) :SACM2mj 6.5/ 6.5/ 6.7/ 7.1/ 7.7 Sharpsburg (12) : Seneca Creek... DAWM2 2.7/ 2.9/ 3.0/ 3.3/ 4.0 :Dawsonville (7.5ft) :DAWM2md 4.5/ 4.8/ 5.1/ 5.6/ 7.1 Dawsonville (11) :DAWM2mj 6.5/ 7.0/ 7.4/ 8.0/ 8.4 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 3.7/ 4.6/ 5.6/ 6.5/ 7.1 :Buena Vista (17ft) :BVSV2cs 3.4/ 4.0/ 5.0/ 5.6/ 6.4 Buena Vista (13) :BVSV2md 4.0/ 5.0/ 5.9/ 6.9/ 7.5 Buena Vista (19) :BVSV2mj 4.2/ 5.3/ 6.3/ 7.3/ 8.0 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive., Washington DC .B RHA 260519 Z DH12/DC2605191331/DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.8/ 2.0/ 2.1/ 2.5/ 3.4 :Washington, DC (7ft) :RCKD2md 2.5/ 2.7/ 3.0/ 3.6/ 4.8 Washington, DC (10) :RCKD2mj 3.2/ 3.6/ 3.9/ 4.7/ 6.7 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260519 DC2605191350/DH15/HGIFX/DIH3/ .E1 2.1/2.1/2.1/2.2/2.3/2.2/2.2/2.1 $$ NNNN  943 FOUS71 KRHA 191350 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 931 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH12/DC2605191331/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.7/ 3.0/ 3.5/ 3.8 :Mahwah (8ft) Ramapo River :MAWN4md 3.0/ 3.3/ 3.9/ 4.3 Mahwah (9) Ramapo River :MAWN4mj 4.0/ 4.4/ 5.5/ 6.1 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.9/ 2.1/ 2.6/ 3.7 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.7/ 1.8/ 2.1/ 2.9 :Lodi (5.5ft) Saddle River :LODN4md 2.2/ 2.3/ 2.7/ 3.7 Lodi (7) Saddle River :LODN4mj 2.5/ 2.6/ 3.0/ 4.2 Lodi (8) Saddle River : Rahway River... SPGN4 2.5/ 2.5/ 2.7/ 3.2 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 3.4/ 3.5/ 4.5/ 5.0 :Chatham (6ft) Passaic River :CAMN4md 5.5/ 5.7/ 6.6/ 7.1 Chatham (7.2) Passaic River :CAMN4mj 6.4/ 6.6/ 7.4/ 8.0 Chatham (8.2) Passaic River : Rockaway River... BOTN4 4.3/ 4.8/ 5.6/ 6.8 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.8/ 5.5/ 6.3/ 7.7 Boonton Abv. (6) Rockaway River :BOTN4mj 5.1/ 5.9/ 6.8/ 8.0 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 3.2/ 3.4/ 3.7/ 3.9 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 3.2/ 3.6/ 4.2/ 5.2 :Stanton (8ft) S. Br. Raritan River :STTN4md 3.3/ 3.8/ 5.2/ 6.2 Stanton (10) S. Br. Raritan River :STTN4mj 3.6/ 4.1/ 5.8/ 7.1 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.8/ 3.0/ 3.3/ 3.6 :Raritan (10ft) N. Br. Raritan River :RRTN4md 3.0/ 3.2/ 3.7/ 4.3 Raritan (12) N. Br. Raritan River :RRTN4mj 3.4/ 3.7/ 4.4/ 5.2 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 4.2/ 4.4/ 4.6/ 4.6 :Blackwells Mills(9ft) Millstone River :BKWN4md 4.3/ 4.5/ 4.7/ 4.7 Blackwells Mills(10) Millstone River :BKWN4mj 4.6/ 4.9/ 5.2/ 5.9 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.8/ 2.9/ 3.4/ 3.8 :Trenton (8.5ft) Assunpink Creek :TACN4md 3.3/ 3.5/ 3.9/ 4.3 Trenton (9.5) Assunpink Creek :TACN4mj 4.1/ 4.2/ 4.7/ 5.3 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  295 FOUS73 KMSR 191400 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 1.7/ 1.8/ 2.0 :JORDAN MN SAND CR PNLM5 2.4/ 2.6/ 3.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.2/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.0/ 3.1/ 3.3 :WANAMINGO MN NO FK ZUMBRO R .END $$  296 FOUS73 KMSR 191400 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.1/ 2.4/ 2.7 :AFTON WI ROCK R BCHW3 1.3/ 1.4/ 1.6 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 1.9/ 2.2/ 2.5 :BUNCOMBE WI GALENA R DARW3 1.6/ 1.8/ 2.2 :DARLINGTON WI PECATONICA R MTNW3 1.3/ 1.5/ 2.1 :MARTINTOWN WI PECATONICA R MAZW3 1.7/ 1.8/ 1.9 :MAZOMANIE WI BLACK EARTH CR KINW3 3.5/ 4.0/ 4.5 :MILWAUKEE WI KINNICKINNIC R SEBW3 1.9/ 1.9/ 2.0 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.4/ 3.4/ 3.5 :WAUKESHA WI FOX R WWTW3 3.5/ 3.8/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 2.1/ 2.1/ 2.3 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.8/ 2.8/ 3.0 :SOUTH MILWAUKEE OAK CR .END $$  298 FOUS73 KMSR 191400 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.7/ 2.9/ 3.0 :CHICAGO IL N BR CHICAGO R CDCI2 2.4/ 2.8/ 3.2 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.5/ 3.1/ 3.9 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.4/ 3.5/ 3.6 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.9 :DES PLAINES IL WELLER CR EMHI2 2.6/ 3.0/ 3.4 :ELMHURST IL SALT CR FLSI2 2.5/ 3.1/ 3.5 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 3.2/ 3.7/ 4.0 :GLENWOOD IL THORN CR GUNI2 3.2/ 3.3/ 3.5 :GURNEE IL DES PLAINES R JHCI2 2.2/ 2.5/ 2.7 :JOLIET IL HICKORY CR LAFI2 2.5/ 3.1/ 4.0 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.2/ 3.3/ 3.7 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.4/ 3.7/ 4.0 :PROSPECT HTS IL MCDONALD CR ALPI2 1.8/ 1.9/ 2.0 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 2.2/ 2.4/ 2.8 :ROCKFORD IL LEVINGS LAKE PPLI2 2.3/ 2.6/ 3.0 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.7/ 3.2/ 3.6 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 4.0/ 4.4 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.8/ 4.1 :SHOREWOOD IL DU PAGE R THNI2 2.3/ 2.3/ 2.3 :THORNTON IL THORN CR WHEI2 3.0/ 3.2/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.5/ 2.6/ 2.6 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.4 :DYER IN HART DITCH MNTI3 3.5/ 3.7/ 3.9 :MUNSTER IN HART DITCH LCMI3 2.6/ 2.6/ 2.6 :MUNSTER IN LITTLE CALUMET R PRTI3 1.9/ 1.9/ 1.9 :PORTER IN LITTLE CALUMET R .END $$  302 FOUS73 KMSR 191400 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 1.6/ 1.7/ 1.8 :EWING MO 5E NORTH FABIUS R EWMM7 1.8/ 1.9/ 2.0 :EWING MO 1NNE MIDDLE FABIUS R PALM7 0.8/ 1.0/ 1.0 :PALMYRA MO NORTH R TAYM7 1.0/ 1.3/ 1.6 :TAYLOR MO S FABIUS R PMZM7 1.1/ 1.2/ 1.3 :HOLLIDAY MO 2N MI FK SALT R TRYM7 0.5/ 1.0/ 1.0 :TROY MO CUIVRE R DRCM7 0.6/ 1.0/ 1.0 :ST PETERS MO DARDENNE CR LSLM7 0.7/ 1.0/ 1.0 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 0.5/ 1.0/ 1.0 :LAKE ST LOUIS MO PERUQUE CR CSNM7 1.3/ 1.3/ 1.3 :COOK STATION MO 1N MERAMEC R SEEM7 0.7/ 1.0/ 1.0 :STEELVILLE MO 2N MERAMEC R UNNM7 0.5/ 1.0/ 1.0 :UNION MO BOURBEUSE R BYRM7 1.3/ 1.4/ 1.5 :BYRNESVILLE MO 2NNE BIG R .END $$  311 FOUS73 KMSR 191400 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 2.2/ 2.2/ 2.2 :MAYFIELD MI BOARDMAN R RUDM4 3.2/ 3.3/ 3.4 :RUDYARD MI PINE RIVER .END $$  312 FOUS73 KMSR 191400 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 1.3/ 1.3/ 1.5 :ACKWORTH IA SOUTH R AMWI4 1.7/ 1.8/ 1.9 :AMES IA IOWAY CR BSSI4 1.4/ 1.5/ 1.6 :BUSSEY IA CEDAR CR DFMI4 2.2/ 2.2/ 2.2 :DSM-EASTON FOUR MILE CR CLVI4 1.4/ 1.6/ 1.9 :CLIVE I-80/35 WALNUT CR DOSI4 1.4/ 1.5/ 2.0 :DSM-63RD ST WALNUT CR MCWI4 2.6/ 2.7/ 2.8 :MASON CITY IA WINNEBAGO R .END $$  313 FOUS73 KMSR 191400 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.4/ 3.4/ 3.5 :CAMPBELL MN 1W SO FK RABBIT R MALM5 2.9/ 3.5/ 3.6 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.2/ 2.3/ 2.4 :LARIMORE ND 5ENE TURTLE R .END $$  316 FOUS73 KMSR 191400 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.3/ 3.4/ 3.6 :DECORAH IA UPPER IOWA R DCHI4 1.8/ 2.0/ 2.3 :DORCHESTER IA UPPER IOWA R GRBI4 1.2/ 1.4/ 1.6 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 1.8/ 2.1/ 2.4 :AUSTIN WWTP MN CEDAR R DOBM5 2.4/ 2.5/ 2.8 :AUSTIN MN-21ST DOBBINS CR TRCM5 2.8/ 3.2/ 3.9 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 1.5/ 1.7/ 1.8 :HOUSTON MN ROOT R LNSM5 2.5/ 3.0/ 3.5 :LANESBORO MN S BR ROOT R LANM5 2.2/ 2.4/ 2.6 :LANSING MN CEDAR R PTNM5 2.4/ 2.8/ 3.7 :PRESTON MN S BR ROOT R RBCM5 3.0/ 3.1/ 3.4 :ROCHESTER MN BEAR CR RCCM5 2.3/ 2.4/ 2.6 :ROCHESTER MN CASCADE CR ROCM5 3.0/ 3.1/ 3.4 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.2 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 2.7/ 3.0/ 3.4 :ROCHESTER MN S FK ZUMBRO R WSPM5 1.9/ 2.1/ 2.6 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 2.5/ 2.8/ 3.5 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 1.5/ 1.5/ 1.5 :BURTON WI GRANT R DDGW3 2.8/ 2.8/ 2.8 :DODGE WI TREMPEALEAU R GMIW3 2.2/ 2.4/ 2.7 :GAYS MILLS WI KICKAPOO R HILW3 0.9/ 1.0/ 1.1 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.1/ 2.3/ 2.3 :LA FARGE WI KICKAPOO R NEIW3 1.8/ 2.2/ 2.7 :NEILLSVILLE WI BLACK R ONTW3 2.4/ 2.5/ 2.6 :ONTARIO WI KICKAPOO R REAW3 2.0/ 2.1/ 2.2 :READSTOWN WI KICKAPOO R RVLW3 1.6/ 1.7/ 1.7 :ROCKVILLE WI 2E PLATTE R SOGW3 1.9/ 2.0/ 2.1 :SOLDIERS GROVE WI KICKAPOO R STEW3 1.9/ 2.0/ 2.1 :STEUBEN WI KICKAPOO R VIOW3 1.9/ 2.0/ 2.1 :VIOLA WI KICKAPOO R .END $$  945 FOUS71 KRHA 191350 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 931 AM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH12/DC2605191331/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 1.9/ 2.0/ 2.1/ 2.1 :Cortland (8ft) :CRTN6md 2.0/ 2.2/ 2.4/ 2.6 Cortland (10) :CRTN6mj 2.2/ 2.4/ 2.8/ 3.2 Cortland (12.5) : Chenango River... SHBN6 1.8/ 2.0/ 2.1/ 2.1 :Sherburne (8.5ft) :SHBN6md 1.9/ 2.0/ 2.2/ 2.4 Sherburne (9) :SHBN6mj 2.0/ 2.2/ 2.4/ 3.0 Sherburne (10.6) : Otselic River... CINN6 2.4/ 2.6/ 2.8/ 3.3 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.4/ 2.5/ 2.8/ 2.8 :Campbell (8ft) :CMPN6md 2.6/ 2.8/ 3.3/ 3.5 Campbell (10) :CMPN6mj 2.8/ 3.0/ 3.8/ 4.0 Campbell (11) : Canisteo River... WCRN6 2.2/ 2.3/ 2.6/ 2.9 :West Cameron (17ft) :WCRN6md 2.3/ 2.4/ 2.7/ 3.1 West Cameron (18) :WCRN6mj 2.6/ 2.7/ 3.2/ 3.7 West Cameron (21) : Towanda Creek... MONP1 2.0/ 2.1/ 2.3/ 2.6 :Monroeton (15.5ft) :MONP1md 2.2/ 2.2/ 2.5/ 2.9 Monroeton (17) :MONP1mj 2.4/ 2.5/ 2.9/ 3.4 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.0/ 2.0/ 2.4/ 2.4 :Tunkhannock (11ft) :TNKP1md 2.1/ 2.2/ 2.7/ 2.8 Tunkhannock (14) :TNKP1mj 2.3/ 2.5/ 3.1/ 3.3 Tunkhannock (17) : Lackawanna River... OFRP1 2.5/ 2.6/ 2.8/ 3.1 :Old Forge (11ft) :OFRP1md 2.7/ 2.7/ 2.9/ 3.3 Old Forge (13) :OFRP1mj 2.8/ 2.9/ 3.2/ 3.6 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 2.8/ 3.1/ 3.7/ 4.2 :Margaretville (11ft) :MRGN6md 3.5/ 3.9/ 4.6/ 5.3 Margaretville (12) :MRGN6mj 4.1/ 4.7/ 5.7/ 6.7 Margaretville (13) : West Branch Delaware River... WALN6 2.2/ 2.2/ 2.3/ 2.5 :Walton (11.5ft) :WALN6md 2.5/ 2.6/ 2.8/ 3.0 Walton (14) :WALN6mj 3.1/ 3.2/ 3.5/ 3.8 Walton (16) : Beaverkill Creek... CKFN6 2.1/ 2.2/ 2.4/ 2.7 :Cooks Falls (10ft) :CKFN6md 3.0/ 3.2/ 3.9/ 4.8 Cooks Falls (16) :CKFN6mj 3.4/ 3.7/ 4.6/ 5.9 Cooks Falls (18) : Lackawaxen River... HWYP1 2.6/ 2.7/ 2.9/ 3.3 :Hawley (14ft) :HWYP1md 3.3/ 3.4/ 3.9/ 4.5 Hawley (20) :HWYP1mj 3.6/ 3.7/ 4.3/ 5.0 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 2.1/ 2.4/ 3.1/ 3.4 :Mansfield (12ft) :MFDP1md 2.2/ 2.6/ 3.4/ 3.8 Mansfield (13) :MFDP1mj 2.4/ 2.9/ 3.9/ 4.3 Mansfield (14) : Penns Creek... PNCP1 2.9/ 3.1/ 3.2/ 3.4 :Penns Creek (8ft) :PNCP1md 3.0/ 3.3/ 3.6/ 4.3 Penns Creek (10) :PNCP1mj 3.2/ 3.6/ 4.2/ 5.0 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 2.0/ 2.1/ 2.4/ 2.4 :Williamsburg (12ft) :WIBP1md 2.0/ 2.1/ 2.4/ 2.5 Williamsburg (13) :WIBP1mj 2.1/ 2.2/ 2.6/ 2.8 Williamsburg (15) : Little Juniata River... SPKP1 1.9/ 2.0/ 2.2/ 2.3 :Spruce Creek (8ft) :SPKP1md 2.0/ 2.1/ 2.4/ 2.7 Spruce Creek (10) :SPKP1mj 2.4/ 2.6/ 3.1/ 3.5 Spruce Creek (14) : Aughwick Creek... SLYP1 2.1/ 2.2/ 2.4/ 2.7 :Shirleysburg (10ft) :SLYP1md 2.3/ 2.4/ 2.6/ 3.1 Shirleysburg (12) :SLYP1mj 4.5/ 4.8/ 5.6/ 7.4 Shirleysburg (20) : Sherman Creek... SMDP1 2.5/ 2.7/ 3.0/ 3.3 :Shermans Dale (9ft) :SMDP1md 2.8/ 3.1/ 3.5/ 3.9 Shermans Dale (11) :SMDP1mj 4.2/ 4.7/ 5.4/ 5.9 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.6/ 3.7/ 3.9/ 3.9 :Hogestown (8ft) :HGSP1md 3.8/ 4.1/ 4.9/ 5.2 Hogestown (10) :HGSP1mj 4.2/ 4.7/ 5.4/ 5.9 Hogestown (12) : Yellow Breeches Creek... CPHP1 2.4/ 2.6/ 2.9/ 3.7 :Camp Hill (7ft) :CPHP1md 2.5/ 2.7/ 3.2/ 4.1 Camp Hill (9) :CPHP1mj 3.0/ 3.3/ 4.0/ 5.2 Camp Hill (13) : Swatara Creek... HTVP1 2.0/ 2.1/ 2.3/ 3.0 :Harper Tavern (9ft) :HTVP1md 2.3/ 2.5/ 2.7/ 3.6 Harper Tavern (12) :HTVP1mj 2.7/ 2.9/ 3.2/ 4.4 Harper Tavern (15) : Conestoga River... LNCP1 2.3/ 2.7/ 2.8/ 3.8 :Lancaster (11ft) :LNCP1md 2.4/ 2.8/ 3.1/ 4.1 Lancaster (13) :LNCP1mj 2.6/ 3.1/ 3.5/ 4.5 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 3.0/ 3.1/ 3.2/ 3.3 :Landingville (8ft) :LGVP1md 3.8/ 4.0/ 4.2/ 4.6 Landingville (12) :LGVP1mj 4.5/ 4.9/ 5.2/ 5.7 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 4.4/ 4.7/ 5.3/ 5.7 :Berne (12ft) :BREP1md 5.5/ 5.8/ 6.6/ 7.2 Berne (14) :BREP1mj 6.5/ 6.9/ 7.4/ 8.0 Berne (16) : Bush Kill... SHOP1 2.8/ 3.3/ 3.6/ 3.6 :Shoemakers (6ft) :SHOP1md 3.0/ 3.5/ 4.0/ 4.5 Shoemakers (7) :SHOP1mj 3.2/ 3.7/ 4.4/ 5.0 Shoemakers (8) : Brodhead Creek... MNSP1 2.2/ 2.5/ 3.1/ 3.8 :Minisink Hills(10ft) :MNSP1md 2.3/ 2.7/ 3.4/ 4.3 Minisink Hills(12) :MNSP1mj 2.6/ 3.0/ 3.9/ 4.9 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.5/ 4.8/ 5.3/ 6.2 :Allentown-10th (8ft) :APAP1md 5.4/ 5.8/ 6.5/ 7.7 Allentown-10th (10) :APAP1mj 6.5/ 7.0/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 2.9/ 3.5/ 3.7/ 4.4 :Graterford (11ft) :GRAP1md 3.3/ 4.0/ 4.2/ 5.0 Graterford (13) :GRAP1mj 3.9/ 4.8/ 5.2/ 6.3 Graterford (16) : Neshaminy Creek... LNGP1 2.8/ 3.2/ 3.3/ 3.7 :Langhorne (9ft) :LNGP1md 3.4/ 4.0/ 4.1/ 4.6 Langhorne (10) :LNGP1mj 3.8/ 4.5/ 4.6/ 5.1 Langhorne (12) : Chester Creek... CHSP1 2.7/ 2.8/ 3.0/ 3.7 :Chester (8ft) :CHSP1md 3.3/ 3.4/ 3.7/ 4.5 Chester (10) :CHSP1mj 4.3/ 4.4/ 4.9/ 5.9 Chester (14) : West Branch Brandywine Creek... MODP1 5.3/ 5.5/ 5.9/ 6.1 :Modena (9ft) :MODP1md 5.9/ 6.1/ 6.6/ 6.9 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 2.4/ 2.5/ 2.5/ 2.7 :Downingtown (7ft) :DWNP1md 3.3/ 3.4/ 3.5/ 3.8 Downingtown (9) :DWNP1mj 4.3/ 4.4/ 4.5/ 4.9 Downingtown (11) : Brandywine Creek... CDFP1 2.4/ 2.9/ 3.3/ 3.4 :Chadds Ford (9ft) :CDFP1md 2.8/ 3.5/ 4.1/ 4.2 Chadds Ford (11) :CDFP1mj 3.3/ 4.2/ 4.8/ 5.1 Chadds Ford (13) : Christina River... CHBD1 2.1/ 2.2/ 2.6/ 3.5 :Coochs Brdg(11ft) :CHBD1md 2.5/ 2.7/ 3.1/ 4.2 Coochs Brdg(12) :CHBD1mj 3.3/ 3.5/ 4.0/ 5.3 Coochs Brdg(13) : White Clay Creek... DPKD1 2.4/ 2.5/ 2.8/ 3.4 :Delaware Pk (13ft) :DPKD1md 3.2/ 3.3/ 3.6/ 4.4 Delaware Pk (15) :DPKD1mj 4.4/ 4.6/ 4.9/ 6.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 2.8/ 3.0/ 3.3/ 3.8 :Wooddale (7ft) :RCCD1md 3.5/ 3.8/ 4.2/ 4.9 Wooddale (8.5) :RCCD1mj 4.3/ 4.6/ 5.0/ 5.9 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260519 Z DH12/DC2605191331/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.3/ 3.4/ 3.8/ 4.5 :Archbald (8ft) :ARHP1md 3.9/ 4.0/ 4.5/ 5.4 Archbald (9) :ARHP1mj 4.6/ 4.7/ 5.2/ 6.5 Archbald (10) PKIP1 4.0/ 4.1/ 4.3/ 4.7 :Scranton (12.5ft.) :PKIP1md 4.3/ 4.4/ 4.6/ 5.1 Scranton (14) :PKIP1mj 4.5/ 4.6/ 4.8/ 5.3 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260519 DC2605191350/DH15/HGIFX/DIH3/ .E1 2.5/2.4/2.4/2.4/2.4/2.4/2.4/2.4 .E PKIP1 20260519 DC2605191350/DH15/HGIFX/DIH3/ .E1 1.7/1.7/1.7/1.7/1.8/1.7/1.7/1.7 $$ NNNN  297 FOUS73 KMSR 191400 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 900 AM CDT TUE MAY 19 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH12/DC2605191400 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 1.9/ 2.0/ 2.0 :ROWELL IL SALT CR .END $$  764 AWUS01 KWNH 191409 FFGMPD ARZ000-TXZ000-OKZ000-191930- Mesoscale Precipitation Discussion 0190 NWS Weather Prediction Center College Park MD 1008 AM EDT Tue May 19 2026 Areas affected...Southeast Oklahoma and Northeast Texas into Arkansas Concerning...Heavy rainfall...Flash flooding possible Valid 191407Z - 191930Z Summary...Isolated flash flooding possible over southeast Oklahoma into northeast Texas and southwest Arkansas through the early afternoon. Slowing progression of organized thunderstorms should allow hourly rainfall of 1 to 3 inches with up to 4 inches possible in three hours over this previously parched area. Discussion...Prefrontal organized activity over southeast OK is oriented parallel to the southwesterly low level flow. This has caused a slowing to progression and longer duration of heavy rain over east-central OK. Continued new development merging in with this line will allow a flash flood threat to shift to northeast TX through midday. MLCAPE of 3000 J/kg and PW of 1.6 inches will maintain rapid development and heavy rainfall rates of 2 to possibly 3 inches per hour. This area has been dry for the past week, so flash flood guidance is quite high. Flash flooding should be restricted to the areas with the highest rainfall and in urbanized areas that get at least a few inches. Recent RRFS runs have been heavier than the HRRR which seem reasonble as the HRRRs have been underdoing current activity. Areas ahead of the cold front will continue to be monitored given the unstable and moist environment. Jackson ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...FWD...LZK...OUN...SHV...TSA... ATTN...RFC...FWR...ORN...TUA...NWC... LAT...LON 35429542 35409467 35079390 34609344 33679353 32479558 32549776 33609832 34629744 35189636  383 FOUS62 KALR 191416 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 1015 AM EDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260519 Z DH12/DC202605191415 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.0/ 1.9/ 2.8 PRZ002 1.0/ 1.9/ 2.8 PRZ003 1.0/ 1.9/ 2.8 PRZ004 1.0/ 1.9/ 2.8 PRZ005 1.5/ 2.0/ 2.5 PRZ006 1.5/ 2.0/ 2.5 PRZ007 1.5/ 2.0/ 2.5 PRZ008 1.5/ 2.0/ 2.5 PRZ009 1.5/ 2.0/ 2.5 PRZ010 1.5/ 2.0/ 2.5 PRZ011 1.5/ 2.0/ 2.5 PRZ012 1.5/ 2.6/ 3.7 PRZ013 1.5/ 2.6/ 3.7 VIZ001 2.0/ 3.1/ 4.3 VIZ002 2.1/ 3.3/ 4.6 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  556 FGUS74 KORN 191422 FFHMRX HEADWATER GUIDANCE FOR HSA.....MORRISTOWN TN NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....TENNESSEE : DOET1 3.5/ 3.9/ 4.5/ 5.4/ 6.5 :ELIZABETHTON, TN DOE R. RMTT1 3.5/ 4.2/ 5.5/ 5.6/ 6.5 :ROAN MOUNTAIN, TN DOE R. : :.....VIRGINIA : CLVV2 2.5/ 2.6/ 2.8/ 3.2/ 4.0 :CLEVELAND, VA CLINCH R. .END $$  553 FOUS74 KORN 191422 FFHFFC HEADWATER GUIDANCE FOR HSA.....ATLANTA GA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....GEORGIA : ENGG1 2.1/ 2.2/ 2.4 :NEW ENGLAND, GA LOOKOUT CREEK HWEG1 3.5/ 3.9/ 4.8 :HIAWASSEE, GA HIAWASSEE R. .END $$  554 FOUS74 KORN 191422 FFHGSP HEADWATER GUIDANCE FOR HSA.....GREENVILLE/SPARTANBURG SC NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....NORTH CAROLINA : ROSN7 3.5/ 5.0/ 5.5/ 6.0/ 6.5 :ROSMAN, NC FRENCH BROAD R. BLTN7 3.5/ 4.7/ 5.5/ 6.0/ 6.5 :BILTMORE, NC SWANNANOAH R. BIRN7 3.5/ 5.0/ 5.5/ 6.0/ 6.5 :BIRDTOWN, NC OCONALUFTEE R. .END $$  555 FOUS74 KORN 191422 FFHHUN HEADWATER GUIDANCE FOR HSA.....HUNTSVILLE AL NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ALABAMA : FRYA1 2.2/ 2.4/ 2.6 :FARLEY, AL ALDRIDGE CREEK SHEA1 2.1/ 2.2/ 2.4 :SHERWOOD, AL ALDRIDGE CREEK ATNA1 3.5/ 4.3/ 4.6 :ATHENS, AL LIMESTONE CREEK BPPA1 3.5/ 4.3/ 4.4 :BUCKS POCKET, AL S. SAUTY CREEK MADA1 2.9/ 3.2/ 3.4 :MADISON, AL INDIAN CREEK .END $$  557 FOUS74 KORN 191422 FFHJAN HEADWATER GUIDANCE FOR HSA.....JACKSON MS NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSISSIPPI : MEIM6 3.5/ 4.3/ 4.7 :MERIDIAN, MS SOWASHEE CREEK JCCM6 3.2/ 4.0/ 4.5 :JACKSON, MS CANY CREEK JHMM6 3.5/ 4.1/ 4.8 :JACKSON, MS HANGING MOSS CREEK LYNM6 3.4/ 4.0/ 4.6 :JACKSON, MS LYNCH CREEK TOWM6 3.3/ 4.0/ 4.6 :JACKSON, MS TOWN CREEK UBCM6 3.4/ 4.1/ 4.7 :JACKSON, MS EUBANKS CREEK .END $$  558 FOUS74 KORN 191422 FFHLSX HEADWATER GUIDANCE FOR HSA.....ST. LOUIS MO NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSOURI : ANNM7 3.5/ 4.9/ 5.5 :ANNAPOLIS, MO BLACK R. .END $$  559 FOUS74 KORN 191422 FFHSHV HEADWATER GUIDANCE FOR HSA.....SHREVEPORT LA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....LOUISIANA : KEIL1 3.5/ 4.2/ 4.4 :KEITHVILLE, LA CYPRESS BAYOU .END $$  560 FOUS74 KORN 191422 FFHLZK HEADWATER GUIDANCE FOR HSA.....LITTLE ROCK AR NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ARKANSAS : BTNA4 3.5/ 4.3/ 4.8 :BENTON, AR SALINE R. CIGA4 2.7/ 2.9/ 3.2 :CLINTON, AR S. FK LZKTLE RED R. HDYA4 3.5/ 4.7/ 5.5 :HARDY, AR SPRING R. .END $$  561 FOUS74 KORN 191422 FFHRNK HEADWATER GUIDANCE FOR HSA.....BLACKSBURG VA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 922 AM CDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260519 Z DH12/DC2605191422 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....VIRGINIA : SALV2 2.2/ 2.4/ 2.6/ 3.2/ 4.1 :SALTVILLE, VA N.F. HOLSTON R. SGWN7 1.6/ 1.7/ 1.8/ 2.4/ 3.0 :SUGAR GROVE, NC WATAUGA R. SMFV2 2.8/ 3.0/ 3.3/ 3.8/ 4.5 :SEVEN MILE FORD, VA M.F. HOLSTON R. RLRV2 1.6/ 1.6/ 1.8/ 2.1/ 3.0 :RICHLANDS, VA CLINCH R. .END $$  372 FOUS62 KALR 191528 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 1126 AM EDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260519 Z DH12/DC202605191526 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.0/ 1.9/ 2.8 PRZ002 1.0/ 1.9/ 2.8 PRZ003 1.0/ 1.9/ 2.8 PRZ004 1.0/ 1.9/ 2.8 PRZ005 1.5/ 2.0/ 2.5 PRZ006 1.5/ 2.0/ 2.5 PRZ007 1.5/ 2.0/ 2.5 PRZ008 1.5/ 2.0/ 2.5 PRZ009 1.5/ 2.0/ 2.5 PRZ010 1.5/ 2.0/ 2.5 PRZ011 1.5/ 2.0/ 2.5 PRZ012 1.5/ 2.6/ 3.7 PRZ013 1.5/ 2.6/ 3.7 VIZ001 2.0/ 3.1/ 4.3 VIZ002 2.1/ 3.3/ 4.6 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  620 AWUS01 KWNH 191750 FFGMPD TXZ000-192330- Mesoscale Precipitation Discussion 0191 NWS Weather Prediction Center College Park MD 149 PM EDT Tue May 19 2026 Areas affected...Central Texas and Concho Valley Concerning...Heavy rainfall...Flash flooding possible Valid 191748Z - 192330Z Summary...Additional instances of isolated flash flooding possible over northwest Texas/the Concho Valley into Central Texas through the afternoon. Thunderstorms developing along/just behind a cold front should continue to produce hourly rainfall of 1 to 2.5 inches with up to 4 inches possible in three hours over this previously parched area. Discussion...Frontal activity has rapidly redeveloped along/behind a cold front near San Angelo. Earlier activity west of Abilene became stationary as low level flow fed it, allowing 3-4 inch maxima. The newer activity is more scattered in nature, but given the abundant instability (MLCAPE of 3500 J/kg) and moisture pooling along the front (1.4 to 1.6 inch PW from west to east in the drawn threat area) should continue to rapidly develop and could congeal into a more organized cluster in the lower shear environment (20-25kt effective shear). The HRRR continues to struggle with convection today with difficulty maintaining this central/NW Texas activity while the RRFS has a better handle on reality and seems reasonable with scattered output of 1.5 to 4 inches through 00Z across central and western portions of the drawn threat area. All of southern Plains have been dry for the past week which may allow increased runoff depending on the local soil type. Flash flood guidance is high, generally 2.5 inches per hour, so the flash flood risk should remain isolated through the afternoon. Activity should continue to shift south with the cold front, so followup discussions should be south of this area. Jackson ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...EWX...FWD...MAF...SJT... ATTN...RFC...FWR...NWC... LAT...LON 32899797 32599726 31739728 31009795 30739923 30600018 30800175 31470179 31830151 31910036 32279940 32629863  003 FOUS62 KALR 191843 FFGSJU COUNTY FLASH FLOOD GUIDANCE...PUERTO RICO NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 242 PM EDT TUE MAY 19 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN FORECAST ZONES. LOWER AMOUNTS MAY CAUSE FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS. .B ALR 20260519 Z DH18/DC202605191842 /DUE/PPHCF/PPTCF/PPQCF :IDENTIFIERS ARE 2-LETTER STATE, Z FOR ZONE, 3-DIGIT ZONE NUMBER : :IDENT 1HR 3HR 6HR ZONE NAME :======= ==== ==== ==== ==================== PRZ001 1.0/ 1.9/ 2.8 PRZ002 1.0/ 1.9/ 2.8 PRZ003 1.0/ 1.9/ 2.8 PRZ004 1.0/ 1.9/ 2.8 PRZ005 1.5/ 2.0/ 2.5 PRZ006 1.5/ 2.0/ 2.5 PRZ007 1.5/ 2.0/ 2.5 PRZ008 1.5/ 2.0/ 2.5 PRZ009 1.5/ 2.0/ 2.5 PRZ010 1.5/ 2.0/ 2.5 PRZ011 1.5/ 2.0/ 2.5 PRZ012 1.5/ 2.6/ 3.7 PRZ013 1.5/ 2.6/ 3.7 VIZ001 2.0/ 3.1/ 4.3 VIZ002 2.1/ 3.3/ 4.6 .END $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions  848 AWUS01 KWNH 191943 FFGMPD LAZ000-ARZ000-TXZ000-OKZ000-200141- Mesoscale Precipitation Discussion 0192 NWS Weather Prediction Center College Park MD 342 PM EDT Tue May 19 2026 Areas affected...north/northeast Texas, southwestern Arkansas, northern Louisiana Concerning...Heavy rainfall...Flash flooding possible Valid 191941Z - 200141Z Summary...A slow-moving complex of thunderstorms will continue to produce local areas of 1-2 inch/hr rain rates. Isolated flash flood issues are possible -- especially in low-lying and urban areas -- through 0130Z/830p central. Discussion...A mature, linear convective complex was making slow southward movement across north/northeast Texas and the ArkLaTex region over the past hour. The slow movement was occurring due to weak steering flow aloft, slow propagation and expansion of a cold pool upstream of convection, and continued, renewed updrafts along the leading edge of the gust front. The airmass downstream of the complex was strongly unstable (2000-2500 J/kg MLCAPE) and weakly inhibited (negligible cap). These factors, along with the presence of a weak mid-level wave over east Texas, should continue to support scattered convection along and ahead of the complex for the next several hours. Slow movement and propagation has led to areas of 1-1.5 inch/hr rain rates at times, with isolated 2 inch/hr spots near the most persistent convection. This is generally lower that FFG thresholds areawide, suggesting that any flash flood threat should be tied to sensitive/urban terrain and mostly isolated in nature. Occasional cell mergers should result in brief local peaks in rain rates - especially with continued heating and ascent from the mid-level wave near the region. Convection should reach the I-20 corridor in northeast Texas/north Louisiana over the next 2-4 hours (2130-2330Z). Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...FWD...HGX...JAN...LCH...LZK...OUN...SHV...TSA... ATTN...RFC...FWR...ORN...TUA...NWC... LAT...LON 35059191 33339167 32279193 31719240 30909412 30699712 32089801 33139811 33669680 33679670 34009564 34329428 34959291  171 FOUS71 KRHA 191950 FFHNJ1 HEADWATER STATEMENT FOR NEW JERSEY STREAMS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH18/DC2605191930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==================== ================== : : NWS BROOKHAVEN SERVICE AREA... : Ramapo River... MAWN4 2.7/ 3.0/ 3.5/ 3.9 :Mahwah (8ft) Ramapo River :MAWN4md 3.0/ 3.3/ 3.9/ 4.4 Mahwah (9) Ramapo River :MAWN4mj 4.0/ 4.5/ 5.5/ 6.1 Mahwah (12) Ramapo River : Hohokus Brook... HOHN4 1.9/ 2.1/ 2.6/ 3.7 :Ho-Ho-Kus (3ft) Hohokus Brook : Saddle River... LODN4 1.7/ 1.8/ 2.1/ 3.0 :Lodi (5.5ft) Saddle River :LODN4md 2.2/ 2.3/ 2.7/ 3.8 Lodi (7) Saddle River :LODN4mj 2.5/ 2.6/ 3.0/ 4.3 Lodi (8) Saddle River : Rahway River... SPGN4 2.5/ 2.5/ 2.7/ 3.3 :Springfield (5.5ft) Rahway River : : NWS MT. HOLLY SERVICE AREA... : PASSAIC BASIN... : Passaic River... CAMN4 3.4/ 3.5/ 4.5/ 5.0 :Chatham (6ft) Passaic River :CAMN4md 5.5/ 5.7/ 6.6/ 7.2 Chatham (7.2) Passaic River :CAMN4mj 6.4/ 6.6/ 7.4/ 8.0 Chatham (8.2) Passaic River : Rockaway River... BOTN4 4.3/ 4.8/ 5.6/ 6.8 :Boonton Abv. (5ft) Rockaway River :BOTN4md 4.8/ 5.5/ 6.3/ 7.8 Boonton Abv. (6) Rockaway River :BOTN4mj 5.1/ 5.9/ 6.8/ 8.0 Boonton Abv. (7) Rockaway River : Whippany River... WHIN4 3.2/ 3.4/ 3.7/ 3.9 :Morristown (6ft) Whippany River : RARITAN BASIN.. : South Branch Raritan River... STTN4 3.2/ 3.6/ 4.2/ 5.2 :Stanton (8ft) S. Br. Raritan River :STTN4md 3.4/ 3.8/ 5.2/ 6.2 Stanton (10) S. Br. Raritan River :STTN4mj 3.6/ 4.1/ 5.8/ 7.1 Stanton (12) S. Br. Raritan River : North Branch Raritan River... RRTN4 2.8/ 3.0/ 3.3/ 3.6 :Raritan (10ft) N. Br. Raritan River :RRTN4md 3.0/ 3.2/ 3.7/ 4.3 Raritan (12) N. Br. Raritan River :RRTN4mj 3.4/ 3.7/ 4.4/ 5.2 Raritan (15) N. Br. Raritan River : Millstone River... BKWN4 4.2/ 4.4/ 4.7/ 4.7 :Blackwells Mills(9ft) Millstone River :BKWN4md 4.3/ 4.5/ 4.8/ 4.8 Blackwells Mills(10) Millstone River :BKWN4mj 4.7/ 4.9/ 5.3/ 6.0 Blackwells Mills(15) Millstone River : DELAWARE BASIN... : Assunpink Creek...TACN4 2.8/ 2.9/ 3.4/ 3.8 :Trenton (8.5ft) Assunpink Creek :TACN4md 3.3/ 3.5/ 3.9/ 4.3 Trenton (9.5) Assunpink Creek :TACN4mj 4.1/ 4.2/ 4.7/ 5.3 Trenton (11) Assunpink Creek .END $$ NNNN $$ NNNN  172 FOUS71 KRHA 191950 FFHPA2 HEADWATER STATEMENT FOR THE DELAWARE AND SUSQUEHANNA BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH18/DC2605191930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS BINGHAMTON SERVICE AREA... : SUSQUEHANNA BASIN... : Tioughnioga River... CRTN6 1.9/ 2.1/ 2.2/ 2.2 :Cortland (8ft) :CRTN6md 2.0/ 2.2/ 2.4/ 2.6 Cortland (10) :CRTN6mj 2.2/ 2.4/ 2.9/ 3.2 Cortland (12.5) : Chenango River... SHBN6 1.9/ 2.0/ 2.1/ 2.1 :Sherburne (8.5ft) :SHBN6md 1.9/ 2.1/ 2.2/ 2.5 Sherburne (9) :SHBN6mj 2.0/ 2.2/ 2.5/ 3.0 Sherburne (10.6) : Otselic River... CINN6 2.5/ 2.6/ 2.8/ 3.3 :Cincinnatus (9ft) : ...moderate and major flood stages above rating table. : Cohocton River... CMPN6 2.5/ 2.6/ 2.9/ 2.9 :Campbell (8ft) :CMPN6md 2.6/ 2.8/ 3.4/ 3.5 Campbell (10) :CMPN6mj 2.8/ 3.0/ 3.9/ 4.0 Campbell (11) : Canisteo River... WCRN6 2.2/ 2.3/ 2.6/ 2.9 :West Cameron (17ft) :WCRN6md 2.3/ 2.4/ 2.7/ 3.1 West Cameron (18) :WCRN6mj 2.6/ 2.7/ 3.2/ 3.7 West Cameron (21) : Towanda Creek... MONP1 2.1/ 2.1/ 2.4/ 2.6 :Monroeton (15.5ft) :MONP1md 2.2/ 2.3/ 2.6/ 2.9 Monroeton (17) :MONP1mj 2.5/ 2.5/ 3.0/ 3.4 Monroeton (18.5) : Tunkhannock Creek... TNKP1 2.0/ 2.1/ 2.4/ 2.5 :Tunkhannock (11ft) :TNKP1md 2.1/ 2.2/ 2.7/ 2.9 Tunkhannock (14) :TNKP1mj 2.3/ 2.5/ 3.2/ 3.3 Tunkhannock (17) : Lackawanna River... OFRP1 2.6/ 2.6/ 2.8/ 3.1 :Old Forge (11ft) :OFRP1md 2.7/ 2.7/ 3.0/ 3.3 Old Forge (13) :OFRP1mj 2.9/ 2.9/ 3.2/ 3.7 Old Forge (16) : DELAWARE BASIN... : East Branch Delaware River... MRGN6 2.8/ 3.2/ 3.7/ 4.2 :Margaretville (11ft) :MRGN6md 3.5/ 3.9/ 4.6/ 5.4 Margaretville (12) :MRGN6mj 4.2/ 4.8/ 5.7/ 6.8 Margaretville (13) : West Branch Delaware River... WALN6 2.2/ 2.3/ 2.3/ 2.5 :Walton (11.5ft) :WALN6md 2.5/ 2.6/ 2.8/ 3.0 Walton (14) :WALN6mj 3.1/ 3.2/ 3.5/ 3.8 Walton (16) : Beaverkill Creek... CKFN6 2.1/ 2.2/ 2.4/ 2.7 :Cooks Falls (10ft) :CKFN6md 3.0/ 3.2/ 3.9/ 4.8 Cooks Falls (16) :CKFN6mj 3.5/ 3.7/ 4.6/ 5.9 Cooks Falls (18) : Lackawaxen River... HWYP1 2.7/ 2.8/ 3.0/ 3.4 :Hawley (14ft) :HWYP1md 3.4/ 3.5/ 4.0/ 4.6 Hawley (20) :HWYP1mj 3.7/ 3.8/ 4.3/ 5.1 Hawley (22) : : NWS STATE COLLEGE SERVICE AREA... : SUSQUEHANNA BASIN... : Tioga River... MFDP1 2.1/ 2.4/ 3.1/ 3.4 :Mansfield (12ft) :MFDP1md 2.2/ 2.6/ 3.5/ 3.8 Mansfield (13) :MFDP1mj 2.4/ 2.9/ 4.0/ 4.3 Mansfield (14) : Penns Creek... PNCP1 2.9/ 3.1/ 3.3/ 3.4 :Penns Creek (8ft) :PNCP1md 3.0/ 3.3/ 3.6/ 4.3 Penns Creek (10) :PNCP1mj 3.3/ 3.6/ 4.2/ 5.0 Penns Creek (12) : Frankstown Branch Juniata River... WIBP1 2.0/ 2.1/ 2.3/ 2.3 :Williamsburg (12ft) :WIBP1md 2.0/ 2.1/ 2.4/ 2.4 Williamsburg (13) :WIBP1mj 2.1/ 2.2/ 2.6/ 2.7 Williamsburg (15) : Little Juniata River... SPKP1 1.9/ 2.0/ 2.2/ 2.3 :Spruce Creek (8ft) :SPKP1md 2.1/ 2.1/ 2.5/ 2.7 Spruce Creek (10) :SPKP1mj 2.5/ 2.6/ 3.1/ 3.5 Spruce Creek (14) : Aughwick Creek... SLYP1 2.2/ 2.3/ 2.5/ 2.8 :Shirleysburg (10ft) :SLYP1md 2.4/ 2.5/ 2.7/ 3.2 Shirleysburg (12) :SLYP1mj 4.5/ 4.9/ 5.7/ 7.5 Shirleysburg (20) : Sherman Creek... SMDP1 2.6/ 2.8/ 3.1/ 3.4 :Shermans Dale (9ft) :SMDP1md 2.9/ 3.2/ 3.6/ 3.9 Shermans Dale (11) :SMDP1mj 4.2/ 4.7/ 5.5/ 6.0 Shermans Dale (16) : Conodoguinet Creek... HGSP1 3.8/ 3.9/ 4.0/ 4.0 :Hogestown (8ft) :HGSP1md 4.0/ 4.2/ 4.8/ 5.3 Hogestown (10) :HGSP1mj 4.3/ 4.8/ 5.6/ 6.1 Hogestown (12) : Yellow Breeches Creek... CPHP1 2.4/ 2.7/ 3.0/ 3.8 :Camp Hill (7ft) :CPHP1md 2.6/ 2.8/ 3.2/ 4.2 Camp Hill (9) :CPHP1mj 3.1/ 3.4/ 4.1/ 5.3 Camp Hill (13) : Swatara Creek... HTVP1 2.1/ 2.2/ 2.4/ 3.1 :Harper Tavern (9ft) :HTVP1md 2.4/ 2.5/ 2.8/ 3.7 Harper Tavern (12) :HTVP1mj 2.8/ 3.0/ 3.3/ 4.4 Harper Tavern (15) : Conestoga River... LNCP1 2.4/ 2.7/ 2.9/ 3.9 :Lancaster (11ft) :LNCP1md 2.5/ 2.9/ 3.2/ 4.2 Lancaster (13) :LNCP1mj 2.7/ 3.2/ 3.6/ 4.6 Lancaster (15) : DELAWARE BASIN... : Schuylkill River... LGVP1 3.0/ 3.1/ 3.2/ 3.4 :Landingville (8ft) :LGVP1md 3.8/ 4.1/ 4.2/ 4.6 Landingville (12) :LGVP1mj 4.6/ 5.0/ 5.3/ 5.8 Landingville (14) : : NWS MT. HOLLY SERVICE AREA... : DELAWARE BASIN... : Schuylkill River... BREP1 4.5/ 4.8/ 5.4/ 5.8 :Berne (12ft) :BREP1md 5.5/ 5.9/ 6.7/ 7.2 Berne (14) :BREP1mj 6.5/ 7.0/ 7.4/ 8.0 Berne (16) : Bush Kill... SHOP1 2.9/ 3.4/ 3.6/ 3.6 :Shoemakers (6ft) :SHOP1md 3.0/ 3.5/ 4.1/ 4.6 Shoemakers (7) :SHOP1mj 3.2/ 3.8/ 4.5/ 5.1 Shoemakers (8) : Brodhead Creek... MNSP1 2.2/ 2.5/ 3.1/ 3.9 :Minisink Hills(10ft) :MNSP1md 2.3/ 2.7/ 3.4/ 4.3 Minisink Hills(12) :MNSP1mj 2.6/ 3.0/ 3.9/ 5.0 Minisink Hills(15) : Little Lehigh Creek...APAP1 4.5/ 4.8/ 5.3/ 6.2 :Allentown-10th (8ft) :APAP1md 5.5/ 5.9/ 6.5/ 7.7 Allentown-10th (10) :APAP1mj 6.5/ 7.0/ 7.4/ 8.0 Allentown-10th (12) : Perkiomen Creek... GRAP1 2.9/ 3.5/ 3.7/ 4.4 :Graterford (11ft) :GRAP1md 3.3/ 4.0/ 4.3/ 5.0 Graterford (13) :GRAP1mj 4.0/ 4.8/ 5.2/ 6.3 Graterford (16) : Neshaminy Creek... LNGP1 2.8/ 3.2/ 3.3/ 3.7 :Langhorne (9ft) :LNGP1md 3.4/ 4.0/ 4.1/ 4.6 Langhorne (10) :LNGP1mj 3.8/ 4.5/ 4.6/ 5.2 Langhorne (12) : Chester Creek... CHSP1 2.7/ 2.8/ 3.1/ 3.7 :Chester (8ft) :CHSP1md 3.3/ 3.4/ 3.7/ 4.5 Chester (10) :CHSP1mj 4.3/ 4.4/ 4.9/ 5.9 Chester (14) : West Branch Brandywine Creek... MODP1 5.3/ 5.5/ 5.9/ 6.1 :Modena (9ft) :MODP1md 5.9/ 6.2/ 6.6/ 6.9 Modena (10) :MODP1mj 6.5/ 7.0/ 7.4/ 8.0 Modena (12) : East Branch Brandywine Creek... DWNP1 2.5/ 2.5/ 2.6/ 2.7 :Downingtown (7ft) :DWNP1md 3.3/ 3.4/ 3.5/ 3.8 Downingtown (9) :DWNP1mj 4.3/ 4.4/ 4.5/ 4.9 Downingtown (11) : Brandywine Creek... CDFP1 2.4/ 2.9/ 3.3/ 3.5 :Chadds Ford (9ft) :CDFP1md 2.8/ 3.5/ 4.1/ 4.2 Chadds Ford (11) :CDFP1mj 3.3/ 4.2/ 4.8/ 5.1 Chadds Ford (13) : Christina River... CHBD1 2.1/ 2.3/ 2.6/ 3.5 :Coochs Brdg(11ft) :CHBD1md 2.5/ 2.7/ 3.2/ 4.2 Coochs Brdg(12) :CHBD1mj 3.3/ 3.5/ 4.0/ 5.4 Coochs Brdg(13) : White Clay Creek... DPKD1 2.5/ 2.6/ 2.8/ 3.4 :Delaware Pk (13ft) :DPKD1md 3.3/ 3.4/ 3.6/ 4.4 Delaware Pk (15) :DPKD1mj 4.4/ 4.6/ 4.9/ 6.0 Delaware Pk (16.5) : Red Clay Creek... RCCD1 2.8/ 3.0/ 3.3/ 3.8 :Wooddale (7ft) :RCCD1md 3.5/ 3.8/ 4.2/ 4.9 Wooddale (8.5) :RCCD1mj 4.3/ 4.6/ 5.0/ 5.9 Wooddale (10) .END :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS BINGHAMTON SERVICE AREA... .B RHA 260519 Z DH18/DC2605191930/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages : Lackawanna River... ARHP1 3.4/ 3.5/ 3.8/ 4.6 :Archbald (8ft) :ARHP1md 4.0/ 4.1/ 4.5/ 5.5 Archbald (9) :ARHP1mj 4.6/ 4.7/ 5.3/ 6.5 Archbald (10) PKIP1 4.1/ 4.2/ 4.3/ 4.8 :Scranton (12.5ft.) :PKIP1md 4.4/ 4.5/ 4.6/ 5.1 Scranton (14) :PKIP1mj 4.5/ 4.6/ 4.8/ 5.3 Scranton (15) .END : Model-simulated 3-hourly stage forecasts including QPF... .E ARHP1 20260519 DC2605191950/DH21/HGIFX/DIH3/ .E1 2.5/2.5/2.5/2.5/2.5/2.5/2.5/2.5 .E PKIP1 20260519 DC2605191950/DH21/HGIFX/DIH3/ .E1 1.8/1.8/1.8/1.8/1.8/1.8/1.8/1.8 $$ NNNN  173 FOUS71 KRHA 191950 FFHVA2 HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 330 PM EDT TUE MAY 19 2026 APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES) REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT THE INDICATED HEADWATER LOCATIONS. .B RHA 260519 Z DH18/DC2605191930/DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR HEADWATER NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... : POTOMAC BASIN... : North Branch Potomac River... KITM2 2.1/ 3.0/ 3.6/ 4.7 :Kitzmiller (9ft) :KITM2md 3.7/ 5.2/ 6.4/ 8.0 Kitzmiller (11) :KITM2mj 5.7/ 7.0/ 7.4/ 8.0 Kitzmiller (13) : Georges Creek... WSTM2 1.7/ 1.9/ 2.2/ 2.6 :Westernport (8ft) :WSTM2md 2.4/ 2.7/ 3.1/ 3.5 Westernport (10) :WSTM2mj 2.9/ 3.3/ 3.8/ 4.4 Westernport (12) : South Branch Potomac River... FKLW2 2.8/ 3.3/ 3.4/ 3.7 :Franklin (7ft) :FKLW2md 3.2/ 4.0/ 4.2/ 4.7 Franklin (9) :FKLW2mj 3.8/ 4.9/ 5.1/ 5.7 Franklin (11) : South River... WAYV2 4.3/ 4.5/ 5.5/ 5.9 :Waynesboro (9.5ft) :WAYV2md 4.8/ 5.2/ 6.6/ 7.1 Waynesboro (11) :WAYV2mj 5.8/ 6.3/ 7.4/ 8.0 Waynesboro (13) : North Fork Shenandoah River... COOV2 5.8/ 6.5/ 7.3/ 7.5 :Cootes Store (15ft) :COOV2md 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (18) :COOV2mj 6.5/ 7.0/ 7.4/ 8.0 Cootes Store (21) : Antietam Creek... SACM2 5.0/ 5.0/ 5.1/ 5.3 :Sharpsburg (8ft) :SACM2md 5.6/ 5.6/ 5.8/ 6.1 Sharpsburg (10) :SACM2mj 6.5/ 6.6/ 6.8/ 7.1 Sharpsburg (12) : Seneca Creek... DAWM2 2.7/ 2.9/ 3.0/ 3.3 :Dawsonville (7.5ft) :DAWM2md 4.5/ 4.9/ 5.1/ 5.6 Dawsonville (11) :DAWM2mj 6.5/ 7.0/ 7.4/ 8.0 Dawsonville (16) : : NWS BLACKSBURG SERVICE AREA... : Maury River... BVSV2 3.8/ 4.7/ 5.6/ 6.5 :Buena Vista (17ft) :BVSV2cs 3.4/ 4.1/ 5.0/ 5.6 Buena Vista (13) :BVSV2md 4.0/ 5.0/ 5.9/ 6.9 Buena Vista (19) :BVSV2mj 4.3/ 5.3/ 6.3/ 7.3 Buena Vista (21) .END : :=============================================================== : EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT : NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION :=============================================================== : : NWS STERLING SERVICE AREA... : Rock Creek at Sherrill Drive., Washington DC .B RHA 260519 Z DH18/DC2605191930/DUE/PPHCF/PPTCF/PPQCF/PPKCF :GageID 1hr 3hr 6hr 12hr rainfall for indicated stages RCKD2 1.9/ 2.0/ 2.2/ 2.6 :Washington, DC (7ft) :RCKD2md 2.5/ 2.8/ 3.1/ 3.7 Washington, DC (10) :RCKD2mj 3.3/ 3.6/ 4.0/ 4.8 Washington, DC (12) .END : Model-simulated 3-hourly stage forecasts including QPF... .E RCKD2 20260519 DC2605191950/DH21/HGIFX/DIH3/ .E1 2.1/2.2/2.2/2.2/2.2/2.1/2.1/2.1 $$ NNNN  606 FOUS73 KMSR 192000 FFHLSX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 ST LOUIS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MISSOURI HEADWATER POINTS *** : EWNM7 1.6/ 1.6/ 1.7 :EWING MO 5E NORTH FABIUS R EWMM7 1.8/ 1.9/ 2.0 :EWING MO 1NNE MIDDLE FABIUS R PALM7 0.9/ 1.0/ 1.0 :PALMYRA MO NORTH R TAYM7 1.1/ 1.4/ 1.7 :TAYLOR MO S FABIUS R PMZM7 1.2/ 1.3/ 1.3 :HOLLIDAY MO 2N MI FK SALT R TRYM7 0.5/ 1.0/ 1.0 :TROY MO CUIVRE R DRCM7 0.8/ 1.0/ 1.0 :ST PETERS MO DARDENNE CR LSLM7 0.9/ 1.0/ 1.2 :LAKE SAINT LOUIS PERUQUE CR - ABOVE LSTM7 0.6/ 1.0/ 1.0 :LAKE ST LOUIS MO PERUQUE CR CSNM7 1.1/ 1.2/ 1.2 :COOK STATION MO 1N MERAMEC R SEEM7 0.8/ 1.0/ 1.0 :STEELVILLE MO 2N MERAMEC R UNNM7 0.5/ 1.0/ 1.0 :UNION MO BOURBEUSE R BYRM7 1.5/ 1.5/ 1.6 :BYRNESVILLE MO 2NNE BIG R .END $$  607 FOUS73 KMSR 192000 FFHMPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 TWIN CITIES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : SNCM5 1.7/ 1.8/ 2.0 :JORDAN MN SAND CR PNLM5 2.4/ 2.7/ 3.5 :PINE ISLAND MN MID FK ZUMBRO R PILM5 3.3/ 4.0/ 4.5 :PINE ISLAND MN N B MID FK ZUMBRO R WGOM5 3.1/ 3.2/ 3.3 :WANAMINGO MN NO FK ZUMBRO R .END $$  609 FOUS73 KMSR 192000 FFHFGF HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 GRAND FORKS HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MINNESOTA HEADWATER POINTS *** : CSRM5 3.4/ 3.5/ 3.5 :CAMPBELL MN 1W SO FK RABBIT R MALM5 2.9/ 3.4/ 3.5 :MALUNG MN 2NW ROSEAU R BLO SO FK : : *** NORTH DAKOTA HEADWATER POINTS *** : DWGN8 3.5/ 4.0/ 4.5 :DWIGHT ND 1NE ANTELOPE CR HGRN8 3.5/ 4.0/ 4.5 :HILLSBORO ND GOOSE R LTRN8 2.2/ 2.3/ 2.4 :LARIMORE ND 5ENE TURTLE R .END $$  610 FOUS73 KMSR 192000 FFHLOT HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 CHICAGO HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : NBPI2 2.8/ 2.9/ 3.1 :CHICAGO IL N BR CHICAGO R CDCI2 2.4/ 2.8/ 3.3 :CHICAGO HEIGHTS IL DEER CR DRFI2 2.5/ 3.1/ 3.9 :DEERFIELD IL N BR CHICAGO R DEKI2 3.5/ 4.0/ 4.5 :DE KALB IL S BR KISHWAUKEE R DSPI2 3.4/ 3.5/ 3.6 :DES PLAINES IL DES PLAINES R WLRI2 3.0/ 3.4/ 3.9 :DES PLAINES IL WELLER CR EMHI2 2.6/ 3.0/ 3.4 :ELMHURST IL SALT CR FLSI2 2.5/ 3.1/ 3.5 :FLOSSMOOR IL BUTTERFIELD CR GLWI2 3.2/ 3.7/ 4.0 :GLENWOOD IL THORN CR GUNI2 3.2/ 3.3/ 3.5 :GURNEE IL DES PLAINES R JHCI2 2.3/ 2.5/ 2.7 :JOLIET IL HICKORY CR LAFI2 2.5/ 3.1/ 4.0 :LAKE FOREST IL SKOKIE R NILI2 3.5/ 4.0/ 4.5 :NILES IL N BR CHICAGO R NBRI2 3.5/ 4.0/ 4.5 :NORTHBROOK IL W FK N BR CHICAGO R OAKI2 3.2/ 3.4/ 3.7 :OAK FOREST IL MIDLOTHIAN CR MCDI2 3.4/ 3.7/ 4.0 :PROSPECT HTS IL MCDONALD CR ALPI2 1.8/ 2.0/ 2.1 :ROCKFORD IL ALPINE DAM-KEITH CR LEVI2 2.2/ 2.4/ 2.8 :ROCKFORD IL LEVINGS LAKE PPLI2 2.3/ 2.6/ 3.0 :ROCKFORD IL PAGE PARK LAKE ROLI2 2.8/ 3.2/ 3.7 :ROLLING MEADOWS IL SALT CR SCHI2 3.5/ 4.0/ 4.4 :ST CHARLES IL FERSON CR SORI2 3.5/ 3.8/ 4.2 :SHOREWOOD IL DU PAGE R THNI2 2.3/ 2.3/ 2.3 :THORNTON IL THORN CR WHEI2 3.0/ 3.2/ 3.4 :WHEELING IL BUFFALO CR WLSI2 3.5/ 4.0/ 4.5 :WILLOW SPRINGS IL FLAG CR YRKI2 2.5/ 2.6/ 2.6 :YORKVILLE IL BLACKBERRY CR : : *** INDIANA HEADWATER POINTS *** : HDDI3 3.5/ 4.0/ 4.5 :DYER IN HART DITCH MNTI3 3.5/ 3.8/ 3.9 :MUNSTER IN HART DITCH LCMI3 2.6/ 2.6/ 2.7 :MUNSTER IN LITTLE CALUMET R PRTI3 1.9/ 1.9/ 1.9 :PORTER IN LITTLE CALUMET R .END $$  611 FOUS73 KMSR 192000 FFHMKX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 MILWAUKEE HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** WISCONSIN HEADWATER POINTS *** : AFTW3 2.2/ 2.4/ 2.7 :AFTON WI ROCK R BCHW3 1.5/ 1.6/ 1.7 :BLANCHARDVILLE WI E BR PECATONICA R BUNW3 2.0/ 2.2/ 2.6 :BUNCOMBE WI GALENA R DARW3 1.8/ 1.9/ 2.3 :DARLINGTON WI PECATONICA R MTNW3 1.5/ 1.7/ 2.1 :MARTINTOWN WI PECATONICA R MAZW3 1.8/ 1.9/ 1.9 :MAZOMANIE WI BLACK EARTH CR KINW3 3.5/ 4.0/ 4.5 :MILWAUKEE WI KINNICKINNIC R SEBW3 1.9/ 2.0/ 2.0 :SHEBOYGAN WI SHEBOYGAN R WKEW3 3.4/ 3.5/ 3.5 :WAUKESHA WI FOX R WWTW3 3.5/ 3.8/ 3.9 :WAUWATOSA WI MENOMONEE R BLOW3 2.1/ 2.2/ 2.3 :BELOIT WI TURTLE CR MFSW3 0.5/ 1.0/ 1.0 :MENOMONEE FALLS WI MENOMONEE R OAKW3 2.8/ 2.8/ 3.1 :SOUTH MILWAUKEE OAK CR .END $$  612 FOUS73 KMSR 192000 FFHILX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 LINCOLN HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** ILLINOIS HEADWATER POINTS *** : BMII2 3.5/ 4.0/ 4.5 :BLOOMINGTON IL SUGAR CR RLLI2 1.9/ 2.0/ 2.0 :ROWELL IL SALT CR .END $$  632 FOUS73 KMSR 192000 FFHDMX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 DES MOINES HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : AKWI4 1.5/ 1.5/ 1.7 :ACKWORTH IA SOUTH R AMWI4 1.8/ 1.9/ 2.0 :AMES IA IOWAY CR BSSI4 1.6/ 1.7/ 1.8 :BUSSEY IA CEDAR CR DFMI4 2.3/ 2.3/ 2.4 :DSM-EASTON FOUR MILE CR CLVI4 1.4/ 1.7/ 2.0 :CLIVE I-80/35 WALNUT CR DOSI4 1.5/ 1.6/ 2.1 :DSM-63RD ST WALNUT CR MCWI4 2.6/ 2.7/ 2.8 :MASON CITY IA WINNEBAGO R .END $$  633 FOUS73 KMSR 192000 FFHAPX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 GAYLORD HYDROLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** MICHIGAN HEADWATER POINTS *** : BVTM4 3.5/ 4.0/ 4.5 :BEAVERTON MI TOBACCO R MYFM4 2.3/ 2.4/ 2.4 :MAYFIELD MI BOARDMAN R RUDM4 3.3/ 3.3/ 3.4 :RUDYARD MI PINE RIVER .END $$  634 FOUS73 KMSR 192000 FFHARX HEADWATER FLASH FLOOD GUIDANCE NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 300 PM CDT TUE MAY 19 2026 LA CROSSE HYDRLOGIC SERVICE AREA AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE FLASH FLOODING AT THE INDICATED LOCATIONS. .B MSR 260519 Z DH18/DC2605192000 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : : *** IOWA HEADWATER POINTS *** : DEHI4 3.4/ 3.5/ 3.6 :DECORAH IA UPPER IOWA R DCHI4 1.9/ 2.1/ 2.3 :DORCHESTER IA UPPER IOWA R GRBI4 1.4/ 1.5/ 1.7 :GARBER IA TURKEY R : : *** MINNESOTA HEADWATER POINTS *** : ASTM5 1.9/ 2.1/ 2.5 :AUSTIN WWTP MN CEDAR R DOBM5 2.4/ 2.5/ 2.8 :AUSTIN MN-21ST DOBBINS CR TRCM5 2.9/ 3.3/ 4.0 :AUSTIN MN-41 AV NW TURTLE CR HOUM5 1.5/ 1.7/ 1.9 :HOUSTON MN ROOT R LNSM5 2.6/ 3.0/ 3.5 :LANESBORO MN S BR ROOT R LANM5 2.3/ 2.4/ 2.7 :LANSING MN CEDAR R PTNM5 2.5/ 2.9/ 3.7 :PRESTON MN S BR ROOT R RBCM5 3.0/ 3.1/ 3.4 :ROCHESTER MN BEAR CR RCCM5 2.3/ 2.4/ 2.6 :ROCHESTER MN CASCADE CR ROCM5 3.0/ 3.2/ 3.4 :ROCHESTER MN SILVER CR RCSM5 3.5/ 4.0/ 4.3 :HWY 14 ROCHESTER S FK ZUMBRO R RCHM5 2.7/ 3.0/ 3.5 :ROCHESTER MN S FK ZUMBRO R WSPM5 2.0/ 2.1/ 2.6 :WHITEWATER ST.PK MFK WHITEWATER R ZUMM5 2.5/ 2.9/ 3.5 :ZUMBRO FALLS MN ZUMBRO R : : *** WISCONSIN HEADWATER POINTS *** : BTNW3 1.6/ 1.6/ 1.6 :BURTON WI GRANT R DDGW3 2.8/ 2.9/ 2.8 :DODGE WI TREMPEALEAU R GMIW3 2.3/ 2.5/ 2.8 :GAYS MILLS WI KICKAPOO R HILW3 1.0/ 1.1/ 1.2 :HILLSBORO WWTP WI S BR BARABOO R LAFW3 2.2/ 2.3/ 2.4 :LA FARGE WI KICKAPOO R NEIW3 1.9/ 2.3/ 2.7 :NEILLSVILLE WI BLACK R ONTW3 2.5/ 2.5/ 2.6 :ONTARIO WI KICKAPOO R REAW3 2.1/ 2.2/ 2.3 :READSTOWN WI KICKAPOO R RVLW3 1.7/ 1.8/ 1.8 :ROCKVILLE WI 2E PLATTE R SOGW3 2.0/ 2.1/ 2.2 :SOLDIERS GROVE WI KICKAPOO R STEW3 2.0/ 2.1/ 2.2 :STEUBEN WI KICKAPOO R VIOW3 2.0/ 2.1/ 2.1 :VIOLA WI KICKAPOO R .END $$  940 AWUS01 KWNH 192332 FFGMPD TXZ000-200530- Mesoscale Precipitation Discussion 0193 NWS Weather Prediction Center College Park MD 731 PM EDT Tue May 19 2026 Areas affected...portions of west and central Texas Concerning...Heavy rainfall...Flash flooding likely Valid 192330Z - 200530Z Summary...Slow-moving thunderstorms continue to produce high rain rates - locally exceeding 2 inches/hr at times. Flash flooding is likely on at least a localized basis. Discussion...In the last half hour, an east-west oriented band of cellular convection has intensified rapidly along an axis from near Big Lake, TX east to near Llano, with other scattered convection northeast of that axis (west of Waco) and also just north of the Big Bend area. These storms were focusing along a very slow-moving cold front in that vicinity. Furthermore, very strong mid-level lapse rates (exceeding 8C/km) and near 70F dewpoints were contributing to 3000-4000 J/kg MLCAPE, further supporting strong updrafts. Weak steering flow was evident (only 20 knots or so at 500mb), enabling convection to exhibit slow and at times erratic storm motions. Moisture/instability profiles were supporting local 2-2.5 inch/hr rain rates that were approaching FFG. Overall increasing convective trends are likely to continue amid a subtle increase in low-level flow into the aforementioned front through the evening hours. Slow/erratic storm motions are likely to continue with this activity, though upscale growth into a convective complex appears probable as cold pools mature and merge. Models hint at additional convection emanating from northern Mexican higher terrain that may also organize and merge with pre-existing convection across the discussion area and pose a flash flood risk. Areas of 2-3 inch/hr rain rates are likely to continue on at least a localized basis, posing a flash flood threat especially in sensitive locales. 5 inch totals are also possible. This threat is likely to continue through 05Z/midnight central time, and a gradual eastward and/or southeastward shift in flash flood potential should materialize, though this evolution is likely highly dependent on how quickly storms can grow upscale during the evening. Locally significant impacts are possible in sensitive/flood-prone areas. Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...CRP...EWX...FWD...HGX...MAF...SJT... ATTN...RFC...FWR...NWC... LAT...LON 32169913 32029761 31589676 31199632 30409619 29599647 28919807 28499958 28340015 29080082 29660173 29460284 29830317 30790276 31910120  072 AWUS01 KWNH 192355 FFGMPD OHZ000-KYZ000-INZ000-ILZ000-200353- Mesoscale Precipitation Discussion 0194 NWS Weather Prediction Center College Park MD 754 PM EDT Tue May 19 2026 Areas affected...southern Indiana, southwestern Ohio, northern Kentucky Concerning...Heavy rainfall...Flash flooding possible Valid 192353Z - 200353Z Summary...Scattered thunderstorms were exhibiting localized training, with rates increasing to about 1 inch/hr on a localized basis. Isolated instances of flash flooding are possible. Discussion...Scattered thunderstorms were migrating eastward at a decent pace across the discussion area this afternoon (~30 knots). Storms in Ohio were organized into forward-propagating bands, though upstream areas over Indiana into southwestern Ohio were exhibiting slightly more favorable orientation for local training. The convective orientation was favoring areas 1 inch/hr rain rates on an isolated/spotty basis across the region, which was approaching rather low FFG thresholds across the region due to wet soils from prior rainfall the past few days. Current trends suggest that an isolated flash flood risk will exist for at least another couple hours. 1500-2000 J/kg MLCAPE values and 1.9 inch PW values should sustain thunderstorms with efficient rainfall rates at times through sunset. Thereafter, the combination of surface cooling, convective overturning, and an approaching front from the west should lead in a downtick in convective coverage and attendant flash flood potential. Peak risk will exist from now through around 03Z/11p eastern or so. Cook ...Please see www.wpc.ncep.noaa.gov for graphic product... ATTN...WFO...ILN...ILX...IND...LMK...PAH... ATTN...RFC...TIR...NWC... LAT...LON 40188453 40048307 39338280 38688362 38318491 38128631 38118760 38638758 39088725 39628635