An upper level system moved through the region, providing a favorable setup for widespread snow across southern Colorado. Highest snowfall totals were across the higher terrain, and parts of the far eastern plains.
Every event with a place to put it; 9 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 PUB wrote it up.
An upper level system moved through the region, providing a favorable setup for widespread snow across southern Colorado. Highest snowfall totals were across the higher terrain, and parts of the far eastern plains.
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 Pueblo, CO wrote its last area forecast discussion before the first event at Dec 12, 2:53 PM MST, 2 hours 7 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
9 heavy snow. Local standard time, as filed.
Heavy snow of 11.0 inches. 1 southeast Wolf Creek Pass.
Heavy snow of 8.9 inches. 5 north northeast Spanish Peaks.
Heavy snow of 8.8 inches. 6 south southwest La Veta Pass.
Heavy snow of 7.0 inches. Springfield.
Heavy snow of 7.0 inches. Springfield.
Heavy snow of 6.7 inches. 5 southeast Red Wing.
Heavy snow of 6.0 inches. 9 south southeast Kim.
Heavy snow of 6.0 inches. 9 south southeast Kim.
Heavy snow of 5.8 inches. 5 west Westcliffe.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2020Every state in 2020This day in weather historyWarnings in Colorado, December 2020
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: 935689, 935690, 935691, 935692, 935693, 935694, 935695, 935696, 935697.