The Brief
- A Flash Flood Warning is in effect until 11:30 PM EDT for the Philadelphia area and parts of New Jersey.
- Heavy thunderstorms could bring up to two inches of rain per hour, causing dangerous urban and roadway flooding.
- The hazard poses an immediate threat of flooding to small creeks, streams, urban zones, highways, streets, underpasses and low-lying drainage areas.
PHILADELPHIA – The National Weather Service (NWS) in Mount Holly has issued a Flash Flood Warning until 11:30 PM EDT for Northern Philadelphia, Southeastern Bucks and Southeastern Montgomery counties in Pennsylvania, as well as Northwestern Burlington and Southwestern Mercer counties in New Jersey.
Heavy rainfall and immediate risks
By the numbers:
At 7:30 PM EDT, NWS Doppler radar indicated severe thunderstorms producing heavy rain across the region. Estimates show between 0.5 and 1 inch of rain has already fallen.
Meteorologists expect a continued rainfall rate of 1 to 2 inches per hour, with additional accumulations of 0.5 to 1.5 inches possible.
High-risk areas and roadways
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