Alert archive / Colorado / Red Flag Warnings / 2021
Red Flag Warnings in Colorado, May 2021
11 red flag warnings in May 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 May 2021. Tap one for its archive.
- Red Flag Warnings
- 11
- Busiest day
- May 1, 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 |
|---|---|---|---|---|
| May 1, 2:16 AM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 42 hr |
| May 1, 2:51 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 6, 2:08 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, La Plata, Mesa and 7 more | 31 hr |
| May 6, 3:31 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| May 7, 2:57 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 8, 2:31 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 18 hr |
| May 8, 2:55 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 14, 1:49 AM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 18 hr |
| May 19, 2:39 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Moffat and 6 more | 32 hr |
| May 25, 2:52 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 41 hr |
| May 27, 12:43 PM MDT | Red Flag Warning | GJT | Moffat | 31 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delta County5
- Dolores County5
- La Plata County5
- Montezuma County5
- Montrose County5
- Ouray County5
- San Miguel County5
- Moffat County5
- Alamosa County4
- Conejos County4
- Costilla County4
- Rio Grande County4
- Saguache County4
- Rio Blanco County4
- Garfield County3
- Mesa County3
- Eagle County1
- Pitkin County1
- Archuleta County1
- Hinsdale County1
- San Juan 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. Rebuilt daily.