A persistent band of moderate to heavy snow showers with a few embedded thunderstorms, developed around Estes Park, in the foothills and Larimer County. The band extended southeast into the cities of Boulder and Denver, then into the Strasburg and Deer Trail areas.
Every event with a place to put it; 5 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 BOU wrote it up.
A persistent band of moderate to heavy snow showers with a few embedded thunderstorms, developed around Estes Park, in the foothills and Larimer County. The band extended southeast into the cities of Boulder and Denver, then into the Strasburg and Deer Trail areas. Snowfall totals included: 8 inches at Jamestown, 7 inches at Boulder, 1 mile east of Buckhorn Mountain and Louisville, 6 inches at Allenspark, Broomfield, 3 miles northwest of Deer Trail, Horsetooth Reservoir, Hourglass Lake, Niwot, Pinewood Lake and Westminster, 5 inches at Eldorado Springs, Estes Park, Loveland, Nederland and 1 mile north of Strasburg.
The national radar mosaic for the moment the first event began.
5 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, March 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 2026-09-24. Each event’s entry at NCEI: 5233085, 5233086, 5233087, 5233088, 5233089.