Wyoming, 1999

Tornado in Wyoming, August 28, 1999

August 28, 1999 · NWS RIW · 1 event in 1 county or zone

Tornado was reported and photographed by an individual in Worland as it intermittently touched down over open country. Path length, width, intensity, and exact location are estimates.

Where it happened

Every event with a place to put it. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS RIW wrote it up.

Tornado was reported and photographed by an individual in Worland as it intermittently touched down over open country. Path length, width, intensity, and exact location are estimates.

The radar

The Riverton/Lander radar (KRIW), 106 km away, was scanning. The volume nearest the first event began at 21:44 UTC.

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Event by event

1 tornado. Local standard time, as filed.

Tornado, Washakie

When
August 28, 2:45 PM MST to 3:00 PM MST
Where
Washakie County, 20 mi SE of Worland
Rating
F0
Path length
1 mi
Path width
75 yd
Reported by
GENERAL PUBLIC
Coordinates
43.820, -107.680

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wyoming in 1999Every state in 1999This day in weather historyThe tornado archive for Wyoming, 1999Warnings in Wyoming, August 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5710248.