Alert archive / Colorado / Frost Advisories
Frost Advisories in Colorado, 2024
18 frost advisories in 2024. 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 2024. Tap one for its archive.
- Frost Advisories
- 18
- Busiest month
- October11 frost advisories
- Busiest day
- October 3, 20243 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 3, 1:31 PM MDT | Frost Advisory | PUB | El Paso | 19 hr |
| May 7, 4:07 PM MDT | Frost Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more | 16 hr |
| May 7, 5:47 PM MDT | Frost Advisory | PUB | El Paso | 14 hr |
| May 21, 6:27 PM MDT | Frost Advisory | PUB | El Paso | 14 hr |
| May 21, 7:03 PM MDT | Frost Advisory | BOU | Adams, Arapahoe, Douglas, Elbert, Larimer, Lincoln and 3 more | 13 hr |
| Sep 18, 3:54 AM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| Sep 19, 1:30 PM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 19 hr |
| Oct 3, 12:11 PM MDT | Frost Advisory | GLD | Kit Carson, Yuma | 20 hr |
| Oct 3, 12:38 PM MDT | Frost Advisory | BOU | Elbert, Larimer, Lincoln, Logan, Phillips, Sedgwick and 2 more | 19 hr |
| Oct 3, 2:26 PM MDT | Frost Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 18 hr |
| Oct 12, 1:27 PM MDT | Frost Advisory | GLD | Yuma | 43 hr |
| Oct 12, 1:44 PM MDT | Frost Advisory | BOU | Phillips, Sedgwick | 43 hr |
| Oct 24, 1:11 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Oct 24, 2:56 AM MDT | Frost Advisory | BOU | Adams, Arapahoe, Douglas, Elbert, Larimer, Lincoln and 6 more | 30 hr |
| Oct 24, 3:07 AM MDT | Frost Advisory | PUB | Crowley, El Paso, Kiowa, Pueblo | 29 hr |
| Oct 25, 1:55 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Oct 25, 2:55 AM MDT | Frost Advisory | PUB | Crowley, El Paso, Kiowa, Pueblo | 29 hr |
| Oct 25, 2:14 PM MDT | Frost Advisory | PUB | Crowley, El Paso, Kiowa, Otero, Pueblo | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County6
- Elbert County4
- Larimer County4
- Lincoln County4
- Washington County4
- Weld County4
- Yuma County4
- Adams County3
- Arapahoe County3
- Douglas County3
- Morgan County3
- Alamosa County3
- Conejos County3
- Costilla County3
- Rio Grande County3
- Saguache County3
- Kit Carson County3
- Phillips County3
- Sedgwick County3
- Crowley County3
- Kiowa County3
- Pueblo County3
- Logan County2
- Cheyenne County2
- Boulder County1
- Broomfield County1
- Denver County1
- Jefferson County1
- Otero County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.