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EF0 tornado in Ontario County, New York

Tornado July 15, 2024 · Ontario County, New York

EF0
Rating
0.8 mi
Path length
75 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 weak, short-tracked EF-0 was documented ahead of an incoming gust front. The track length was 0.7 miles. Maximum width was 75 yards. Maximum wind was 75 mph.

The wider storm

A strong upper-level trough and mesoscale convective vortex (MCV) crossed western and central New York during the afternoon on July 15, 2024. Timing with the MCV corresponded with favorable daytime heating and partly to mostly sunny skies ahead of the system. This resulted in more than 2,000 J/kg of CAPE across much of the region south & southeast of Lake Ontario. Combined with the dynamic nature and the shear associated with the MCV itself, severe thunderstorms developed and moved across the area.

For the Buffalo forecast area, most of the damage was confined to western New York and the northern Finger Lakes. The thunderstorms resulted in two confirmed tornadoes, flash flooding, tennis ball sized hail (2.5) and numerous trees and wires downed.

Began near Canandaigua (42.8781, -77.2706).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF0 Genesee County

Source: NOAA Storm Events Database, event 1205373. Narratives are written by the National Weather Service forecast office that issued the report.

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