Flash Flood — Tioga, New York

2025-07-14 · near Willseyville, Tioga, New York

Event narrative

Flash flooding was occurring along Prospect Valley Road with water pouring into a residence. The garage and basement of the residence was flooded and a shed was shifted onto another property.

Wider weather episode

A weak frontal system moving through a warm and excessively moist environment triggered thunderstorms with torrential rainfall. These storms were slow moving and produced copious amounts of rain which led to localized flash flooding of roads, small streams and a few residences.

View location on OpenStreetMap → (42.3000, -76.3300)

Source: NOAA Storm Events Database, event_id 1285747. Narrative written by the NWS forecast office that issued the report.