Headline:
Flash Flood Warning issued July 9 at 4:47PM EDT until July 9 at 7:45PM EDT by NWS Mount Holly NJ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 9, 2026 - 1:47pm
Expires:
July 9, 2026 - 4:45pm
Description:
At 447 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 1
and 3 inches of rain have fallen. The expected rainfall rate is 1 to
2 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 and automated gauges.
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, Westtown, Downingtown, Kennett Square, Oxford, West
Grove, Marshallton, Cochranville, Elam, Homeville, Concordville
and Cheyney.
Instruction:
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
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.
Area Description:
Chester, PA; Delaware, PA
Forcast Office:
NWS Mount Holly NJ
Sender: