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Thunderstorm Wind in Cattaraugus County, New York
Thunderstorm Wind April 15, 2026 · Cattaraugus County, New York
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Several reports of trees and wires downed in Delevan.
The wider storm
On the evening of April 15th, a line of thunderstorms tracking east over Lake Erie intensified as they tracked onshore into northwestern Pennsylvania, Chautauqua County and Southern Erie County. As the storms continued east they became severe, causing two tornadoes in Cattaraugus County along with damaging wind gusts across a large chunk of the Western Southern Tier. The thunderstorms were associated with a Mesoscale Convective Vortex, that per usual for these types of setups, had plenty of shear to support the development of a tornado or two. Due to the lower instability values along with showers and increased cloud cover ahead of and behind the primary line, additional thunderstorms weren't able to develop.
Began near Delevan (42.4900, -78.4800).
Other tornadoes from the same storm system
2 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1329573. Narratives are written by the National Weather Service forecast office that issued the report.
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