Jul 18, 2011
A shortwave traveling north over a broad ridge in the central U.S dragged a weak cold front over the Ohio Valley. This coldfront set off thunderstorms in the afternoon and evening hours on the 18th. There were several reports of wind damage in eastern Ohio and western Pennsylvania with more than 11,000 people without power in western PA alone. In addition urban flooding and flash flooding occurred in various parts of Allegheny and Beaver counties. Cars were stranded in high water right around ru
Source: NOAA National Weather Service Storm Events Database (event 334626). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Beaver County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.