The National Weather Service in Mount Holly, New Jersey, has issued a Flash Flood Warning for several counties across Delaware, New Jersey, and Pennsylvania following heavy rainfall.
The warning was issued at 8:39 PM EDT on August 20 and remains in effect until 9:45 PM EDT. Trained weather spotters reported flash flooding and water rescues around Delaware County, with rainfall totals measuring between 1 and 2.5 inches.
While no additional rainfall is expected, ongoing flooding impacts will continue as flash flooding is already occurring. The hazard affects small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying locations.
Locations expected to experience flash flooding include Philadelphia, Camden, Wilmington, Newark, West Chester, Gloucester City, Chester, West Deptford, Yeadon, and Westtown.
Affected areas span across New Castle in Delaware; Camden, Gloucester, and Salem in New Jersey; and Chester, Delaware, Montgomery, and Philadelphia in Pennsylvania.