Jul 3, 2023
A slow moving front and a very moist airmass yielded slow moving thunderstorms that dumped heavy rain over southeast Wyoming county with portions of park roads and hiking trails flooded at Letchworth State Park. The front then stalled out during the evening along the New York and Pennsylvania state line leading to multiple rounds of slow moving thunderstorms crossing the same areas with drenching rains. Significant flash flooding occurred over southwest Allegany county in Bolivar and Richburg, w
Source: NOAA National Weather Service Storm Events Database (event 1117098). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Allegany County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.