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Flood — Allegany, NY

Jan 19, 1996

Rapid snowmelt of 1-2 feet of snow combined with heavy rainfall of over two inches to produce significant flooding. Nearly four hundred homes were damaged by flood waters. There were road closures and evacuations in Wellsville. Power and municipal water supplies were cut for several hours.

Source: NOAA National Weather Service Storm Events Database (event 5537929). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Allegany, NY

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.

View Allegany County flood data →

More Flood Stories

Flash Flood

Allegany, NY · Jun 12, 2012

A slow moving cold front was crossing the lower Great Lakes late in the afternoon while a moisture rich airmass sat across Western New York. Thunderstorms developed along what appeared to be a lake breeze boundary ahead of the surface cold front.

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Flash Flood$40K damage

Allegany, NY · Jun 9, 2021

A cold front dropped southward across the region and interacted with modestly moist and unstable conditions. A humid boundary layer was in place as evidenced by surface dewpoints in the upper 60s to lower 70s.

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Flash Flood$10K damage

Allegany, NY · Jun 9, 2021

A cold front dropped southward across the region and interacted with modestly moist and unstable conditions. A humid boundary layer was in place as evidenced by surface dewpoints in the upper 60s to lower 70s.

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Flash Flood$250K damage

Allegany, NY · Jul 14, 2015

A persistent area of showers and thunderstorms associated with a nearly stationary warm front intensified during the afternoon hours. The storms brought flooding to areas already hit by heavy rains in the overnight and morning hours in Chautauqua and Cattaraugus Counties as well…

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