Pennsylvania Severe Flash Flood Warning | Effective 07/28/2026 16:24

Headline: 
Flash Flood Warning issued July 28 at 7:24PM EDT until July 28 at 11:30PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 28, 2026 - 4:24pm
Expires: 
July 28, 2026 - 8:30pm
Description: 
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Chester County in southeastern Pennsylvania... * Until 1130 PM EDT. * At 724 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches 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... West Chester, Coatesville, Downingtown, Parkesburg, Honey Brook, Elverson, Glenmoore, Marshallton, Lionville, Lionville-Marchwood, Chester Springs and West Goshen. This includes Pennsylvania Turnpike between mile markers 301 and 317.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Chester, PA
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov