Flash Flood — Allegheny, Pennsylvania

2025-07-16 · near (agc)allegheny Co Ar, Allegheny, Pennsylvania

Event narrative

Greater than a foot of water was reported to be flowing over Lebanon Church Road at the intersection with PA Route 885.

Wider weather episode

A crossing cold front and weak shortwave passage spawned of scattered clusters of thunderstorms in an environment with 1500-2000 J/kg MLCAPE, >1000 J/Kg DCAPE, and weak deep layer shear. Some storms were severe with damaging wind.

View location on OpenStreetMap → (40.3494, -79.9399)

Source: NOAA Storm Events Database, event_id 1274632. Narrative written by the NWS forecast office that issued the report.