Flash Flood in Allegany County, New York

Flash Flood May 5, 2025 · Allegany County, New York

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Report of several homes evacuated on South Church Street.

The wider storm

A slow moving area of low pressure brought periods of steady rain to western New York. Embedded thunderstorms within the steadier rain caused heavier downpours at times during the evening on May 5th. Heavier rain, combined with the periods of steady rain resulted in Flash Flooding in Allegany and Livingston counties. The Town of Canaseraga experienced the brunt of the flooding.

Began near Canaseraga (42.4610, -77.7767).

Source: NOAA Storm Events Database, event 1260161. Narratives are written by the National Weather Service forecast office that issued the report.

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