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Severe · Flash Flood WarningThis alert has expired. It is kept for reference.

Flash Flood Warning issued September 1 at 10:28PM EDT until September 2

Affecting New Castle, DE; Gloucester, NJ; Salem, NJ; Chester, PA; Delaware, PA

In effect until: Sep 2, 2026, 4:45 AM

New Castle, DE; Gloucester, NJ; Salem, NJ; Chester, PA; Delaware, PA

Likely impact across 5 counties in DE, NJ and PA; effects through 4:45 AM.

Get to higher ground now. Never drive through flooded roads.

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Read the original bulletin (official text)
At 1028 PM EDT, Doppler radar indicated thunderstorms produced heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

Some locations that will experience flash flooding include...
Wilmington, Newark, West Chester, Chester, Pennsville, Coatesville,
Westtown, Pitman, Carneys Point and Downingtown.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™