Jun 9, 2025
Strong to severe thunderstorms developed along a cold front and within the warm sector of an approaching system. Favorable shear, along with forcing from the cold front helped to develop severe storms that also resulted in a confirmed tornado in the western Southern Tier. Additionally, a very moist atmosphere was present within the systems warm sector, helping to contribute to heavy rainfall with showers and thunderstorms. Some of the heavy rain that developed across the western Southern Tier, c
Source: NOAA National Weather Service Storm Events Database (event 1273554). 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.