Flash Flood in Allegany County, New York

Flash Flood July 16, 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

Water flowing across a portion of County Road 29 in Alma.

The wider storm

A shortwave trough and attendant surface cold front impinging on a weak shear, but very warm and moisture-laden atmosphere led to the development of showers and thunderstorms late in the day into the evening hours which produced isolated severe winds and flash flooding.

Began near Stone Dam (42.0200, -77.9500).

Source: NOAA Storm Events Database, event 1286821. Narratives are written by the National Weather Service forecast office that issued the report.

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