An abnormally moist upper level trough progressed across the Northern Rockies and produced moderate snow over the western Colorado mountains.
Every event with a place to put it; 7 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 GJT wrote it up.
An abnormally moist upper level trough progressed across the Northern Rockies and produced moderate snow over the western Colorado 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 Grand Junction, CO wrote its last area forecast discussion before the first event at Dec 7, 4:40 PM MST, 5 hours 20 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
7 winter weather. Local standard time, as filed.
Generally 5 to 12 inches of snow fell across the area with locally higher amounts up to 18 inches estimated at the Tower SNOTEL site.
Generally 4 to 8 inches of snow fell across the area in 12 hours.
Generally 4 to 8 inches of snow fell across the area in 12 hours with a storm total snowfall of 8 to 18 inches.
Generally 4 to 8 inches of snow fell across the area with driving restrictions in place in the busy mountain town of Aspen.
Generally 5 to 10 inches of snow fell across the area with locally higher amounts up to 12 inches estimated at the Schofield Pass SNOTEL site.
Generally 5 to 10 inches of snow fell across the area with snowfall totals of 8 to 13 inches near the mountain passes along Colorado Highway 550.
Generally 5 to 7 inches of snow fell across the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2019Every state in 2019This day in weather historyWarnings in Colorado, December 2019
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: 861329, 861333, 861335, 861330, 861331, 861334, 861332.