Strong winds developed ahead of a cold front moving across Wyoming. The strongest winds occurred in the Lee of the Absarokas.
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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.
The episode as NWS RIW wrote it up.
Strong winds developed ahead of a cold front moving across Wyoming. The strongest winds occurred in the Lee of the Absarokas. Wind gusts of hurricane force occurred near Clark and along the Chief Joseph Highway. In the higher elevations of the Green and Rattlesnake Range, Camp Creek had a prolonged period of high winds.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before the first event at Oct 20, 1:36 PM MST, 1 hour 33 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 high wind. Local standard time, as filed.
The wind sensor 5 miles west-northwest of Clark recorded several wind gusts over 58 mph, including a maximum of 77 mph.
The RAWS site at Camp Creek recorded several wind gusts past 58 mph, including a maximum of 69 mph.
The weather station along the Chief Joseph highway recorded a maximum wind gust of 76 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2017Every state in 2017This day in weather historyWarnings in Wyoming, October 2017
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 2026-09-30. Each event’s entry at NCEI: 721836, 721834, 721835.