Alert archive / Colorado / Winter Storm Warnings / 2021
Winter Storm Warnings in Colorado, February 2021
8 winter storm warnings in February 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in February 2021. Tap one for its archive.
- Winter Storm Warnings
- 8
- Busiest day
- February 4, 20212 winter storm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 3:27 PM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more | 17 hr |
| Feb 4, 3:13 AM MST | Winter Storm Warning | GJT | Moffat, Routt | 50 hr |
| Feb 4, 3:30 AM MST | Winter Storm Warning | BOU | Grand, Jackson | 50 hr |
| Feb 12, 2:14 PM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 6 more | 51 hr |
| Feb 12, 3:14 PM MST | Winter Storm Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 10 more | 48 hr |
| Feb 13, 12:55 PM MST | Winter Storm Warning | GLD | Cheyenne, Kit Carson | 22 hr |
| Feb 17, 4:17 AM MST | Winter Storm Warning | PUB | Costilla, Huerfano, Las Animas | 25 hr |
| Feb 24, 10:19 PM MST | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 1 more | 10 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boulder County2
- Grand County2
- Jefferson County2
- Costilla County2
- Huerfano County2
- Las Animas County2
- Clear Creek County1
- Gilpin County1
- Park County1
- Summit County1
- Moffat County1
- Routt County1
- Jackson County1
- Archuleta County1
- Delta County1
- Dolores County1
- Garfield County1
- Gunnison County1
- Hinsdale County1
- La Plata County1
- Mesa County1
- Montezuma County1
- Montrose County1
- San Juan County1
- San Miguel County1
- Alamosa County1
- Baca County1
- Bent County1
- Chaffee County1
- Conejos County1
- Custer County1
- Fremont County1
- Kiowa County1
- Lake County1
- Mineral County1
- Prowers County1
- Rio Grande County1
- Saguache County1
- Cheyenne County1
- Kit Carson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.