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EF1 tornado in Cattaraugus County, New York

Tornado July 24, 2010 · Cattaraugus County, New York

EF1
Rating
7.8 mi
Path length
100 yd
Path width
$2.0M
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

A NWS survey confirmed an EF1 tornado.

The wider storm

The thunderstorm which produced a tornado in Randolph continued moving east across Cattaraugus County and produced a second tornado which touched down in the Town of Carrollton at 549 pm EDT. The initial touchdown of the tornado occurred along Route 219 between Carrollton Village Road and Ismuth roads. The tornado continued east across mainly forested land producing significant tree damage until it entered the Village of Allegany. While the majority of the damage continued to be to trees and power poles, several homes did suffer damage from the tornado winds and from fallen trees. Final damage from the tornado occurred near the center of the village. A NWS survey concluded an EF1 rating with winds estimated to 95 mph. The county emergency manager estimated damage at $2 million.

Began near Carrollton (42.1093, -78.6414).

Source: NOAA Storm Events Database, event 254083. Narratives are written by the National Weather Service forecast office that issued the report.

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