Frost Advisories in Colorado
230 frost advisories since 1986. 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 since 1986. Tap one for its archive.
- Frost Advisories
- 230
- Busiest year
- 201919 frost advisories
- Average year
- 10over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County70
- Yuma County70
- Cheyenne County64
- Weld County54
- Elbert County49
- El Paso County49
- Arapahoe County48
- Morgan County48
- Lincoln County47
- Adams County45
- Larimer County44
- Logan County43
- Douglas County43
- Washington County41
- Phillips County38
- Sedgwick County38
- Pueblo County35
- Kiowa County33
- Boulder County33
- Broomfield County33
- Jefferson County33
- Denver County33
- Costilla County32
- Rio Grande County32
- Crowley County32
- Conejos County32
- Alamosa County32
- Saguache County28
- Huerfano County25
- Las Animas County25
- Prowers County22
- Custer County21
- Fremont County21
- Otero County21
- Teller County21
- Bent County19
- Baca County19
The latest frost advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 11:36 AM MDT | Frost Advisory | BOU | Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more | 20 hr |
| May 18, 11:30 AM MDT | Frost Advisory | PUB | Crowley, El Paso, Huerfano, Kiowa, Las Animas, Pueblo | 21 hr |
| May 18, 11:28 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| May 1, 11:17 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| May 1, 11:13 AM MDT | Frost Advisory | PUB | Baca, Bent, Crowley, Custer, El Paso, Fremont and 7 more | 21 hr |
Nearby
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.