Alert archive / Colorado / Winter Storm Warnings / 2011
Winter Storm Warnings in Colorado, May 2011
5 winter storm warnings in May 2011. 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 May 2011. Tap one for its archive.
- Winter Storm Warnings
- 5
- Busiest day
- May 10, 20112 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 |
|---|---|---|---|---|
| May 10, 3:48 AM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 44 hr |
| May 10, 4:20 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 47 hr |
| May 11, 10:46 AM MDT | Winter Storm Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 19 hr |
| May 18, 4:43 AM MDT | Winter Storm Warning | BOU | Boulder, Grand, Jackson, Larimer | 24 hr |
| May 18, 2:01 PM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 58 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Archuleta County2
- Delta County2
- Dolores County2
- Eagle County2
- Garfield County2
- Gunnison County2
- Hinsdale County2
- La Plata County2
- Mesa County2
- Moffat County2
- Montezuma County2
- Montrose County2
- Ouray County2
- Pitkin County2
- Rio Blanco County2
- Routt County2
- San Juan County2
- San Miguel County2
- Boulder County2
- Grand County2
- Jackson County2
- Larimer County2
- Alamosa County1
- Chaffee County1
- Costilla County1
- Custer County1
- El Paso County1
- Fremont County1
- Huerfano County1
- Lake County1
- Pueblo County1
- Saguache County1
- Teller County1
- Clear Creek County1
- Douglas County1
- Gilpin County1
- Jefferson County1
- Park County1
- Summit County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.