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EF0 tornado in Washakie County, Wyoming

Tornado May 9, 2026 · Washakie County, Wyoming

EF0

Rating

0.5 mi

Path length

20 yd

Path width

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The path drawn at its surveyed width of 20 yards (0.01 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 non-supercell (a.k.a. landspout) tornado formed out of a thunderstorm to north of Ten Sleep and was filmed by a trained spotter. The tornado remained over open country and caused no known damage.

The wider storm

A brief tornado formed out of the thunderstorm to north of Ten Sleep.

Began near Ten Sleep (44.1002, -107.4662).

Source: NOAA Storm Events Database, event 1340296. Narratives are written by the National Weather Service forecast office that issued the report.

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