Alert archive / Colorado / Red Flag Warnings
Red Flag Warnings in Colorado, 2023
114 red flag warnings in 2023. 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 2023. Tap one for its archive.
- Red Flag Warnings
- 114
- Busiest month
- April31 red flag warnings
- Busiest day
- March 29, 20235 red flag warnings
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 |
|---|---|---|---|---|
| Feb 20, 3:06 PM MST | Red Flag Warning | PUB | Baca, Huerfano, Las Animas, Otero | 27 hr |
| Feb 26, 2:58 PM MST | Red Flag Warning | PUB | Crowley, Huerfano, Las Animas, Otero, Pueblo | 26 hr |
| Feb 27, 11:20 AM MST | Red Flag Warning | BOU | Elbert, Lincoln | 31 hr |
| Feb 27, 2:47 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 27 hr |
| Feb 27, 6:25 PM MST | Red Flag Warning | GLD | Cheyenne | 23 hr |
| Mar 4, 3:47 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 39 hr |
| Mar 4, 11:42 AM MST | Red Flag Warning | GLD | Cheyenne | 29 hr |
| Mar 4, 1:53 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more | 28 hr |
| Mar 5, 2:59 PM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 27 hr |
| Mar 7, 4:05 AM MST | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 14 hr |
| Mar 7, 2:52 PM MST | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 27 hr |
| Mar 8, 2:57 PM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Las Animas, Pueblo | 24 hr |
| Mar 8, 3:21 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 2 more | 25 hr |
| Mar 21, 1:42 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Mar 21, 2:32 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 29 hr |
| Mar 21, 2:52 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 29 hr |
| Mar 22, 2:57 PM MDT | Red Flag Warning | PUB | Huerfano, Las Animas, Otero, Pueblo | 28 hr |
| Mar 24, 2:09 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Las Animas and 2 more | 30 hr |
| Mar 26, 3:02 PM MDT | Red Flag Warning | PUB | Huerfano, Las Animas, Pueblo | 27 hr |
| Mar 27, 2:44 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 2 more | 28 hr |
| Mar 29, 2:12 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 44 hr |
| Mar 29, 4:09 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 2 more | 40 hr |
| Mar 29, 5:27 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 41 hr |
| Mar 29, 2:51 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 5 more | 52 hr |
| Mar 29, 3:07 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more | 52 hr |
| Mar 30, 10:05 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 21 hr |
| Mar 31, 2:36 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 29 hr |
| Mar 31, 2:51 PM MDT | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Park | 29 hr |
| Mar 31, 8:35 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 22 hr |
| Apr 1, 2:31 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more | 29 hr |
| Apr 1, 3:05 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, El Paso and 9 more | 30 hr |
| Apr 2, 12:13 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 7 hr |
| Apr 2, 3:07 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 30 hr |
| Apr 3, 2:15 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 13 hr |
| Apr 3, 3:36 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Clear Creek, Denver, Douglas and 5 more | 16 hr |
| Apr 3, 11:31 AM MDT | Red Flag Warning | GLD | Cheyenne | 26 hr |
| Apr 3, 2:41 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 29 hr |
| Apr 6, 1:12 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Apr 6, 2:52 PM MDT | Red Flag Warning | PUB | Baca, Bent, Huerfano, Kiowa, Las Animas, Otero and 1 more | 29 hr |
| Apr 10, 10:14 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 34 hr |
| Apr 10, 2:48 PM MDT | Red Flag Warning | PUB | Baca, Bent, Kiowa, Las Animas, Prowers | 29 hr |
| Apr 11, 2:31 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Apr 11, 2:33 PM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 2 more | 28 hr |
| Apr 11, 2:50 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 29 hr |
| Apr 12, 11:15 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 33 hr |
| Apr 12, 2:35 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 29 hr |
| Apr 12, 2:47 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 29 hr |
| Apr 14, 3:47 AM MDT | Red Flag Warning | PUB | Baca, Las Animas | 14 hr |
| Apr 14, 2:18 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Apr 16, 2:27 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Fremont, Huerfano and 4 more | 29 hr |
| Apr 17, 2:05 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 42 hr |
| Apr 17, 3:56 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 48 hr |
| Apr 17, 2:35 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 29 hr |
| Apr 18, 2:55 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more | 30 hr |
| Apr 19, 8:25 AM MDT | Red Flag Warning | GLD | Cheyenne | 12 hr |
| Apr 19, 8:46 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 10 hr |
| Apr 19, 3:04 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 29 hr |
| Apr 20, 2:28 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 18 hr |
| Apr 20, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Huerfano, Las Animas, Pueblo and 2 more | 28 hr |
| May 4, 3:47 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 41 hr |
| May 4, 2:04 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 29 hr |
| May 5, 12:00 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 33 hr |
| May 5, 1:56 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 30 hr |
| May 5, 3:17 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 30 hr |
| May 6, 3:40 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Conejos, Costilla, Custer, El Paso and 6 more | 28 hr |
| May 7, 2:45 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 28 hr |
| May 8, 2:24 PM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 29 hr |
| May 8, 2:52 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more | 28 hr |
| May 9, 2:46 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Jun 19, 2:03 PM MDT | Red Flag Warning | GJT | Garfield, Mesa | 6 hr |
| Jun 19, 2:03 PM MDT | Red Flag Warning | GJT | Garfield, Mesa | 30 hr |
| Jun 21, 2:15 PM MDT | Red Flag Warning | GJT | Delta, Garfield, Mesa, Montrose, Ouray, San Miguel | 30 hr |
| Jun 21, 2:15 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 55 hr |
| Jun 25, 1:29 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 32 hr |
| Jun 25, 1:29 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 56 hr |
| Jun 27, 1:17 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 31 hr |
| Jun 28, 1:06 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 43 hr |
| Jul 3, 2:13 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 43 hr |
| Jul 5, 3:17 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 31 hr |
| Jul 6, 2:29 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 31 hr |
| Jul 7, 2:07 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 31 hr |
| Jul 16, 12:52 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 42 hr |
| Aug 4, 3:12 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Aug 5, 2:09 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 30 hr |
| Aug 5, 2:26 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more | 31 hr |
| Aug 6, 2:45 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more | 42 hr |
| Aug 6, 2:42 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 4 more | 29 hr |
| Aug 7, 2:09 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 31 hr |
| Aug 7, 2:38 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 4 more | 29 hr |
| Aug 8, 2:40 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Aug 19, 11:38 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Huerfano, Las Animas, Pueblo and 2 more | 31 hr |
| Aug 19, 2:02 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 3 more | 30 hr |
| Aug 19, 2:05 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Aug 21, 1:01 AM MDT | Red Flag Warning | GLD | Yuma | 18 hr |
| Aug 21, 2:53 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more | 16 hr |
| Aug 22, 1:50 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 16 hr |
| Aug 31, 2:07 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 18 hr |
| Aug 31, 10:31 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 33 hr |
| Aug 31, 3:07 PM MDT | Red Flag Warning | PUB | Bent, Kiowa, Prowers | 29 hr |
| Sep 3, 2:38 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 29 hr |
| Sep 4, 10:25 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 10 hr |
| Sep 21, 2:52 PM MDT | Red Flag Warning | PUB | Chaffee, Costilla, Custer, El Paso, Huerfano, Lake and 4 more | 28 hr |
| Sep 27, 1:50 PM MDT | Red Flag Warning | GJT | Delta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more | 30 hr |
| Sep 28, 1:41 PM MDT | Red Flag Warning | GJT | Delta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more | 30 hr |
| Sep 29, 1:44 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel | 30 hr |
| Oct 10, 2:44 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 28 hr |
| Oct 11, 2:57 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 28 hr |
| Oct 25, 3:00 PM MDT | Red Flag Warning | PUB | Huerfano, Las Animas, Pueblo | 28 hr |
| Nov 4, 2:52 PM MDT | Red Flag Warning | PUB | Huerfano, Las Animas, Pueblo | 27 hr |
| Nov 5, 2:53 PM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 27 hr |
| Nov 6, 3:03 PM MST | Red Flag Warning | PUB | Fremont, Huerfano, Las Animas, Otero, Pueblo | 27 hr |
| Nov 12, 12:39 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Nov 12, 12:55 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 3 more | 28 hr |
| Dec 7, 10:52 AM MST | Red Flag Warning | PUB | El Paso, Huerfano, Las Animas, Pueblo | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County44
- Huerfano County42
- Pueblo County37
- Otero County27
- Costilla County26
- Saguache County26
- Baca County25
- Alamosa County25
- Conejos County25
- Rio Grande County25
- Bent County24
- Kiowa County23
- Crowley County22
- El Paso County22
- Prowers County22
- Cheyenne County21
- Elbert County19
- Kit Carson County18
- Garfield County18
- Mesa County18
- Lincoln County17
- Montrose County16
- San Miguel County16
- Delta County15
- Ouray County15
- Arapahoe County14
- Douglas County13
- Custer County13
- Dolores County12
- La Plata County12
- Montezuma County12
- Adams County11
- Fremont County11
- Teller County11
- Broomfield County10
- Denver County10
- Yuma County10
- Archuleta County10
- Gunnison County10
- Hinsdale County10
20 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.