Jul 9, 2025
A shortwave trough supported a swath of heavy rain along a PWAT gradient with values as high as 1.9 inches across far southwestern Pennsylvania and northern West Virginia. 500-1000 J/kg of MUCAPE and 20 knots of cloud bearing flow supported thunderstorms producing heavy rain and flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 1271542). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Harrison County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.