Headline:
Flash Flood Warning issued July 9 at 4:30PM EDT until July 9 at 8:30PM EDT by NWS Mount Holly NJ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 9, 2026 - 1:30pm
Expires:
July 9, 2026 - 5:30pm
Description:
FFWPHI
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern New Castle County in northern Delaware...
South Central Chester County in southeastern Pennsylvania...
Southwestern Delaware County in southeastern Pennsylvania...
* Until 830 PM EDT.
* At 430 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1 inch of rain has 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 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...
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.
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:
New Castle, DE; Chester, PA; Delaware, PA
Forcast Office:
NWS Mount Holly NJ
Sender: