WGUS71 KPHI 092129 FFSPHI Flash Flood Statement National Weather Service Mount Holly NJ 529 PM EDT Thu Jul 9 2026 DEC003-PAC029-045-100030- /O.CON.KPHI.FF.W.0039.000000T0000Z-260710T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle DE-Chester PA-Delaware PA- 529 PM EDT Thu Jul 9 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT THIS EVENING FOR NORTHWESTERN NEW CASTLE, SOUTH CENTRAL CHESTER AND SOUTHWESTERN DELAWARE COUNTIES... At 529 PM EDT, emergency management reported flash flooding occurring in Hockessin. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding caused by thunderstorms. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. Some locations that may experience flash flooding include... Newark, Chester, Swarthmore, Arden, Talleyville, Greenville, Elam, Ashland, Concordville, Hockessin, Chelsea and Pike Creek. This includes Interstate 476 in Pennsylvania between mile markers 1 and 6. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3989 7557 3998 7536 3989 7531 3982 7547 3968 7579 3972 7579 3972 7591 3972 7595 3972 7596 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR $$ Guzzo