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Flash Flood — Lawrence, PA

Jun 6, 2025

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.

Source: NOAA National Weather Service Storm Events Database (event 1278115). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Lawrence, PA

This event is one of many recorded floods in Lawrence County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Lawrence County flood data →

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Flash Flood$1.0M damage

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Flash Flood$25K damage

Lawrence, PA · Jun 6, 2025

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.

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Flash Flood$10K damage

Lawrence, PA · Jul 9, 2023

Rain during the morning of July 9th helped to saturate the ground, and additional thunderstorms in an anomalously high moisture environment during the early evening hours created flash flooding.

Read the full account →
Flash Flood

Lawrence, PA · Jun 6, 2025

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.

Read the full account →