A moist northwest flow with an embedded trough produced significant snowfall in some mountain areas of northwest Colorado.
Every event with a place to put it; 1 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.
A moist northwest flow with an embedded trough produced significant snowfall in some mountain areas of northwest Colorado.
The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
Although snowfall totals only ranged from 2 to 4 inches, roads became icy and snowpacked. I-70 at Vail Pass was closed at times due to multiple vehicle accidents.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2015Every state in 2015This day in weather historyWarnings in Colorado, February 2015
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: 566417.