A cold and unstable airmass produced widespread snow showers and thunderstorms across the southern and central mountains of western Colorado. Snowfall amounts in excess of one foot were common.
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 GJT wrote it up.
A cold and unstable airmass produced widespread snow showers and thunderstorms across the southern and central mountains of western Colorado. Snowfall amounts in excess of one foot were common. Some of the heavier reported snowfall amounts include 16 inches on Red Mountain Pass and 15 inches at Snowmass Mountain Resort.
The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2001Every state in 2001This day in weather historyWarnings in Colorado, April 2001
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 2026-10-01. Each event’s entry at NCEI: 5242467, 5242468.