Jun 6, 2025
Showers and thunderstorms causing heavy rainfall developed along a stalled frontal boundary over northern Pennsylvania during the late afternoon and evening on June 6th. Training of heavier rain, along with antecedent conditions in the area, caused excessive runoff, resulting in flash flooding in portions of the western Southern Tier.
Source: NOAA National Weather Service Storm Events Database (event 1273544). 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.