May 5, 2017
Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th. Flash flooding was reported across Armstrong, Clarion, and Westmoreland counties in Pennsylvania.
Source: NOAA National Weather Service Storm Events Database (event 704910). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Westmoreland County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.