Alert archive / Colorado / Frost Advisories
Frost Advisories in Colorado, 2011
17 frost advisories in 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Frost Advisories
- 17
- Busiest month
- October8 frost advisories
- Busiest day
- October 9, 20113 frost advisories
Over time
By month
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 13, 4:27 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 13 hr |
| May 14, 2:54 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| May 15, 3:05 PM MDT | Frost Advisory | PUB | El Paso | 17 hr |
| May 15, 3:15 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
| Jun 20, 2:37 PM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 17 hr |
| Sep 17, 8:50 AM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 23 hr |
| Sep 21, 2:15 PM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, El Paso, Rio Grande, Saguache | 18 hr |
| Sep 21, 4:00 PM MDT | Frost Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 16 hr |
| Sep 29, 3:10 PM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 17 hr |
| Oct 8, 6:42 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson | 12 hr |
| Oct 9, 1:45 PM MDT | Frost Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 18 hr |
| Oct 9, 3:04 PM MDT | Frost Advisory | PUB | Custer, El Paso, Fremont, Pueblo, Teller | 17 hr |
| Oct 9, 7:47 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson | 10 hr |
| Oct 12, 7:35 PM MDT | Frost Advisory | BOU | Adams, Arapahoe, Larimer, Logan, Morgan, Phillips and 3 more | 12 hr |
| Oct 13, 1:32 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
| Oct 17, 2:58 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Oct 18, 2:37 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cheyenne County8
- Kit Carson County8
- Yuma County6
- Alamosa County4
- Conejos County4
- Costilla County4
- Rio Grande County4
- Saguache County4
- El Paso County3
- Adams County3
- Arapahoe County3
- Larimer County3
- Morgan County3
- Weld County3
- Boulder County2
- Broomfield County2
- Denver County2
- Douglas County2
- Elbert County2
- Jefferson County2
- Lincoln County2
- Logan County2
- Phillips County2
- Sedgwick County2
- Washington County2
- Custer County1
- Fremont County1
- Pueblo County1
- Teller County1
The busiest days
Days with the most alerts issued, by UTC date.
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.