257 WOUS64 KWNS 190533 WOU8 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 228 NWS STORM PREDICTION CENTER NORMAN OK 1233 AM CDT TUE MAY 19 2026 SEVERE THUNDERSTORM WATCH 228 REMAINS IN EFFECT UNTIL 400 AM CDT FOR THE FOLLOWING LOCATIONS IAC087-101-103-111-177-183-190900- /O.CON.KWNS.SV.A.0228.000000T0000Z-260519T0900Z/ IA . IOWA COUNTIES INCLUDED ARE HENRY JEFFERSON JOHNSON LEE VAN BUREN WASHINGTON $$ MOC007-019-027-045-051-103-111-127-135-137-173-199-205-190900- /O.CON.KWNS.SV.A.0228.000000T0000Z-260519T0900Z/ MO . MISSOURI COUNTIES INCLUDED ARE AUDRAIN BOONE CALLAWAY CLARK COLE KNOX LEWIS MARION MONITEAU MONROE RALLS SCOTLAND SHELBY $$ ATTN...WFO...DVN...LSX...  274 WOUS64 KWNS 190533 WOU7 TORNADO WATCH OUTLINE UPDATE FOR WT 227 NWS STORM PREDICTION CENTER NORMAN OK 1233 AM CDT TUE MAY 19 2026 TORNADO WATCH 227 REMAINS IN EFFECT UNTIL 100 AM CDT FOR THE FOLLOWING LOCATIONS KSC107-121-190600- /O.CON.KWNS.TO.A.0227.000000T0000Z-260519T0600Z/ KS . KANSAS COUNTIES INCLUDED ARE LINN MIAMI $$ MOC001-013-037-053-083-089-101-121-159-175-197-190600- /O.CON.KWNS.TO.A.0227.000000T0000Z-260519T0600Z/ MO . MISSOURI COUNTIES INCLUDED ARE ADAIR BATES CASS COOPER HENRY HOWARD JOHNSON MACON PETTIS RANDOLPH SCHUYLER $$ ATTN...WFO...EAX...