An upper level disturbance moved through extreme northeast Wyoming and produced upslope freezing rain and snow over the Wyoming Black Hills. Snow amounts were four to six inches.
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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 UNR wrote it up.
An upper level disturbance moved through extreme northeast Wyoming and produced upslope freezing rain and snow over the Wyoming Black Hills. Snow amounts were four to six inches. Northwest winds of 15 to 30 mph resulted in below zero wind chills and blowing snow reducing visibilities to less than one half mile.
The national radar mosaic for the moment the first event began.
1 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 1997Every state in 1997This day in weather historyWarnings in Wyoming, December 1997
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: 5624943.