FloodZoneMap.org

Flood — Lawrence, PA

Sep 17, 2004

At 236 PM EDT on 17th, numerous roads were flooded in Pulaski and Shenango townships. By 845 PM, Ellwood City had 3.5 inches of rain. As of 6 PM on 18th, many roads were still flooded, and there were a few mud slides, including one on Vanguard Rd in Perry Twp. Part of Mohawk School Rd washed out. (IVAN)

Source: NOAA National Weather Service Storm Events Database (event 5422645). 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 →

More Flood Stories

Flash Flood$1.0M 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$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.

Read the full account →
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 →