Flash Flood Warning Issued for Parts of Delaware and Pennsylvania

Flash Flood Warning was issued by the National Weather Service for New Castle, DE; Delaware, PA.

Flash Flood Warning

The alert was issued at 3:32 AM local time and is scheduled to remain in effect until 7:45 AM local time. The NWS lists the alert severity as severe. Its urgency is listed as immediate. The event is classified as likely.

Storm Details

Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly

Hazards

Flash flooding caused by thunderstorms

Potential 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. Philadelphia, Wilmington, Chester, Yeadon, Carneys Point, Folcroft, Swarthmore, Penns Grove, Arden, Chester Township, Chelsea and Nether Providence Township. This includes the following highways. Interstate 476 in Pennsylvania between mile markers 0 and 7. Interstate 95 in Pennsylvania between mile markers 0 and 9. Interstate 95 in Delaware between mile markers 15 and 23

Areas Affected

The warning covers New Castle, DE; Delaware, PA.

Safety Information

Turn around…don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.