WGUS51 KPHI 230732 FFWPHI DEC003-PAC045-231145- /O.NEW.KPHI.FF.W.0126.260823T0732Z-260823T1145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Mount Holly NJ 332 AM EDT Sun Aug 23 2026 The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northeastern New Castle County in northern Delaware... Southeastern Delaware County in southeastern Pennsylvania... * Until 745 AM EDT. * At 332 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Philadelphia, Wilmington, Chester, Yeadon, Carneys Point, Folcroft, Swarthmore, Penns Grove, Arden, Chester Township, Chelsea and Nether Providence Township. This includes the following highways... Interstate 476 in Pennsylvania between mile markers 0 and 7. Interstate 95 in Pennsylvania between mile markers 0 and 9. Interstate 95 in Delaware between mile markers 15 and 23. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 3997 7533 3991 7525 3989 7526 3985 7532 3985 7534 3980 7541 3978 7544 3976 7546 3974 7547 3971 7552 3979 7560 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR $$ MPS