Flash Flood in Beaver County, Pennsylvania

Flash Flood July 5, 2007 · Beaver County, Pennsylvania

$10.0M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A retired NWS employee reported flash flooding in Aliquippa, Monaca, and surrounding towns from rainfall of 3 to over 4 inches in 2 hours. Over 500 buildings and homes sustained damage across Beaver county with around 50 families displaced from homes.

The wider storm

A mesoscale convective vortex ahead of a cold front over Lake Erie produced an area of thunderstorms with very heavy rainfall. Rainfall amounts across Beaver county reached more than 4 inches in 2 hours with reports of 2 to 3 inches in 2 hours common in other counties.

Began near Aliquippa (40.6200, -80.2800).

Source: NOAA Storm Events Database, event 48171. Narratives are written by the National Weather Service forecast office that issued the report.

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