Alert archive / Colorado / Red Flag Warnings / 2021
Red Flag Warnings in Colorado, November 2021
14 red flag warnings in November 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in November 2021. Tap one for its archive.
- Red Flag Warnings
- 14
- Busiest day
- November 5, 20212 red flag 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 |
|---|---|---|---|---|
| Nov 5, 2:35 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 27 hr |
| Nov 5, 2:40 PM MDT | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Park, Washington | 27 hr |
| Nov 6, 12:40 PM MDT | Red Flag Warning | PUB | Baca, Huerfano, Las Animas | 5 hr |
| Nov 7, 1:09 AM MST | Red Flag Warning | BOU | Park | 17 hr |
| Nov 7, 3:56 AM MST | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, El Paso, Fremont and 5 more | 14 hr |
| Nov 10, 3:46 AM MST | Red Flag Warning | PUB | El Paso, Pueblo | 14 hr |
| Nov 12, 2:17 AM MST | Red Flag Warning | GLD | Yuma | 15 hr |
| Nov 15, 10:10 AM MST | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 32 hr |
| Nov 15, 1:21 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more | 28 hr |
| Nov 17, 12:55 PM MST | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 34 hr |
| Nov 17, 2:16 PM MST | Red Flag Warning | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 3 more | 39 hr |
| Nov 19, 3:47 AM MST | Red Flag Warning | PUB | Fremont, Huerfano | 13 hr |
| Nov 22, 2:40 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 26 hr |
| Nov 22, 3:04 PM MST | Red Flag Warning | PUB | Baca, Costilla, Crowley, Custer, El Paso, Fremont and 6 more | 26 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Park County5
- Huerfano County5
- El Paso County5
- Fremont County5
- Arapahoe County4
- Douglas County4
- Elbert County4
- Teller County4
- Las Animas County3
- Chaffee County3
- Costilla County3
- Lake County3
- Saguache County3
- Pueblo County3
- Boulder County3
- Clear Creek County3
- Gilpin County3
- Jefferson County3
- Yuma County2
- Baca County2
- Alamosa County2
- Conejos County2
- Rio Grande County2
- Custer County2
- Adams County2
- Broomfield County2
- Denver County2
- Weld County2
- Larimer County2
- Cheyenne County1
- Kit Carson County1
- Lincoln County1
- Washington County1
- Grand County1
- Jackson County1
- Summit County1
- Crowley County1
- Otero County1
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.