Jun 18, 2025
Slow moving thunderstorms developed in a warm and humid airmass during the afternoon hours over the Southern Tier of NY. Rainfall rates were excessive and produced up to 3 inches of rain within a 1-to-2-hour time span. This led to areas of minor flash flooding, mostly confined to street and poor drainage areas in developed areas.
Source: NOAA National Weather Service Storm Events Database (event 1276211). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Tompkins County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.