Flash Flood — Washington, Pennsylvania

2025-07-26 to 2025-07-27 · near Gabby Hgts, Washington, Pennsylvania

Event narrative

Report of Chartiers Creek out of its banks with water running across the road and entering business at least ankle deep.

Wider weather episode

A weak trough and remnant outflows initiated afternoon thunderstorms. Initial single cell development across eastern Ohio ultimately congealed along propagating cold pools and surged southeast. A rich moisture environment was in place with 1000-2000 J/kg MLCAPE and near 30 knots of effective shear. The storms rolled into more favorable DCAPE, as high as 1200 J/kg, farther southeast, and repeated updrafts along outflow produced swaths of damaging wind.

View location on OpenStreetMap → (40.1459, -80.2683)

Source: NOAA Storm Events Database, event_id 1280542. Narrative written by the NWS forecast office that issued the report.