A powerful upper low moved across Wyoming into the Dakotas which resulted in heavy, mountain snowfall. In addition, very strong winds occurred across the northeast Big Horn Mountains.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 BYZ wrote it up.
A powerful upper low moved across Wyoming into the Dakotas which resulted in heavy, mountain snowfall. In addition, very strong winds occurred across the northeast Big Horn Mountains.
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 Billings, MT wrote its last area forecast discussion before the first event at Apr 22, 2:27 PM MST, 2 hours 33 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Billings MT 405 PM MDT Fri Apr 22 2022 MTZ029-034-040-042-063>065-068-139-141-170-172-173-228-235-232215- Musselshell-Northern Stillwater-Northern Park-Golden Valley- Judith Gap-Paradise Valley-Livingston Area-Crazy Mountains- Southeastern Carbon-Northern Sweet Grass-Northern Carbon- Melville Foothills-Northeastern Yellowstone-Southern Wheatland- Southwestern Yellowstone- 405 PM MDT Fri Apr 22 2022 This Hazardous Weather Outlook is for portions of central Montana and south central Montana. * WHAT... Accumulating wet snow and windy colder conditions. * WHERE...Southern Montana and northern Wyoming. * WHEN...Tonight through Saturday night. * ADDITIONAL DETAILS...Precipitation will start out as rain, but will change to wet snow tonight and continue Saturday. The snow could become heavy at times Saturday. In addition, wind gusts to 40 mph may cause blowing snow issues. * ADDITIONAL HAZARD CONCERNS...Heavy, wet snow and colder temperatures could pose a threat to young livestock and travel. At this time the roads may remain wet or slushy, but there is uncertainty on snow accumulation potential, so monitor the forecast closely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be sure to stay tuned for further updates on this potential hazardous weather. Additional graphics can be found at: https://www.weather.gov/billings &&
The national radar mosaic for the moment the first event began.
1 winter storm. Local standard time, as filed.
Snowfall of 8 to 16 inches, along with winds gusting 50 to 60 mph, occurred over the northeast Big Horn Mountains.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2022Every state in 2022This day in weather historyWarnings in Wyoming, April 2022
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: 1017589.