Orographic forcing led to locations in the Sierra Madre Range receiving 4 to 9 inches of snowfall overnight on the 7th, with the heaviest totals above 9000 feet elevation.
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The episode as NWS CYS wrote it up.
Orographic forcing led to locations in the Sierra Madre Range receiving 4 to 9 inches of snowfall overnight on the 7th, with the heaviest totals above 9000 feet elevation.
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 Cheyenne, WY wrote its last area forecast discussion before the first event at Dec 7, 4:28 PM MST, 1 hour 32 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
Whiskey Park SNOTEL (Elevation 8950 feet) estimated 9 inches of snowfall with 15 to 1 snow to liquid ratios. Additional SNOTEL sites in the area estimated 4 to 8 inches of snowfall.
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, December 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: 1059623.