Alert archive / Colorado / Winter Weather Advisories / 2021
Winter Weather Advisories in Colorado, May 2021
7 winter weather advisories in May 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 weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Winter Weather Advisories
- 7
- Busiest day
- May 2, 20212 winter weather advisories
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 |
|---|---|---|---|---|
| May 1, 2:50 PM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 53 hr |
| May 2, 1:29 PM MDT | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more | 25 hr |
| May 2, 2:19 PM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 3 more | 23 hr |
| May 10, 9:14 AM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 24 hr |
| May 18, 9:06 AM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 6 hr |
| May 21, 10:21 AM MDT | Winter Weather Advisory | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 14 hr |
| May 21, 11:18 AM MDT | Winter Weather Advisory | PUB | Conejos, Mineral, Rio Grande | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alamosa County3
- Chaffee County3
- Costilla County3
- Custer County3
- Fremont County3
- Huerfano County3
- Pueblo County3
- Saguache County3
- Conejos County2
- El Paso County2
- Lake County2
- Las Animas County2
- Mineral County2
- Rio Grande County2
- Teller County2
- Hinsdale County2
- San Miguel County2
- Delta County1
- Eagle County1
- Garfield County1
- Gunnison County1
- Mesa County1
- Moffat County1
- Montrose County1
- Ouray County1
- Pitkin County1
- Rio Blanco County1
- Routt County1
- Boulder County1
- Clear Creek County1
- Douglas County1
- Gilpin County1
- Grand County1
- Jackson County1
- Jefferson County1
- Larimer County1
- Park County1
- Archuleta County1
- Dolores County1
- La Plata County1
2 more counties
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. Warning verification from the Mesonet's Cow. Rebuilt daily.