Flash Flood — Chester, Pennsylvania

2025-07-09 · near Thorndale, Chester, Pennsylvania

Event narrative

Broad Run escaped its banks. Flash flooding was reported.

Wider weather episode

A slow-moving cold front produced heavy rain and flash flooding across portions of the region. This is the same front that caused flash flooding the day prior.

View location on OpenStreetMap → (39.9718, -75.7298)

Source: NOAA Storm Events Database, event_id 1284386. Narrative written by the NWS forecast office that issued the report.