A Pacific low pressure system moved from northwest Colorado to the southern Nebraska Panhandle and brought heavy snow and northwest winds of 45 to 55 mph to the Snowy and Sierra Madre mountain ranges. The combination of strong winds and snow created near whiteout conditions with visibilities less than a quarter mile.
Every event with a place to put it; 2 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 CYS wrote it up.
A Pacific low pressure system moved from northwest Colorado to the southern Nebraska Panhandle and brought heavy snow and northwest winds of 45 to 55 mph to the Snowy and Sierra Madre mountain ranges. The combination of strong winds and snow created near whiteout conditions with visibilities less than a quarter mile.
The national radar mosaic for the moment the first event began.
2 winter storm. Local standard time, as filed.
The WYDOT web cam at milepost 30 on Wyoming Highway 70 showed visibilities less than a quarter mile due to strong winds and falling snow.
Considerable blowing and drifting snow on Wyoming Highway 130 across the Snowy Range. Winds frequently gusted to 45 mph with very low visibilities.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2012Every state in 2012This day in weather historyWarnings in Wyoming, October 2012
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: 410953, 410954.