Flash Flood — Lawrence, Pennsylvania

2025-06-06 · near Union Vly, Lawrence, Pennsylvania

Event narrative

PennDOT reported flooding on Union Valley Road in both directions between Fletcher Road, Savannah Road, and Snake Run Road.

Wider weather episode

Several rounds of thunderstorms trained over portions of Lawrence, Allegheny, Westmoreland Clarion and Beaver counties on June 6th. This was a result of a very moist airmass and a stationary boundary located over northern Ohio and northwestern Pennsylvania. Flash flooding was reported in the aforementioned counties with considerable flooding noted in Allegheny county.

View location on OpenStreetMap → (40.9404, -80.3483)

Source: NOAA Storm Events Database, event_id 1278122. Narrative written by the NWS forecast office that issued the report.