Alert archive / Colorado / Red Flag Warnings
Red Flag Warnings in Colorado, 2012
178 red flag warnings in 2012. 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 2012. Tap one for its archive.
- Red Flag Warnings
- 178
- Busiest month
- June41 red flag warnings
- Busiest day
- March 16, 20127 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 |
|---|---|---|---|---|
| Jan 12, 4:17 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 13 hr |
| Jan 28, 12:51 AM MST | Red Flag Warning | GLD | Kit Carson, Yuma | 16 hr |
| Feb 22, 4:02 AM MST | Red Flag Warning | PUB | Baca, Huerfano, Las Animas | 13 hr |
| Feb 22, 4:08 AM MST | Red Flag Warning | GLD | Cheyenne | 13 hr |
| Feb 25, 3:50 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 14 hr |
| Feb 25, 4:21 AM MST | Red Flag Warning | PUB | Baca | 13 hr |
| Feb 26, 4:31 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 13 hr |
| Feb 27, 1:37 PM MST | Red Flag Warning | GLD | Kit Carson, Yuma | 3 hr |
| Feb 28, 2:46 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 16 hr |
| Feb 29, 3:07 PM MST | Red Flag Warning | PUB | Baca, Bent, Las Animas, Otero | 26 hr |
| Mar 2, 12:55 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 4 hr |
| Mar 4, 2:45 PM MST | Red Flag Warning | PUB | Baca, Bent, Kiowa, Las Animas, Prowers | 26 hr |
| Mar 5, 12:37 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 16 hr |
| Mar 5, 3:30 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 5 more | 28 hr |
| Mar 5, 5:05 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 25 hr |
| Mar 5, 11:39 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 18 hr |
| Mar 9, 3:21 AM MST | Red Flag Warning | GLD | Kit Carson, Yuma | 15 hr |
| Mar 12, 9:52 AM MDT | Red Flag Warning | PUB | Baca, Bent, Kiowa, Prowers | 34 hr |
| Mar 12, 11:55 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Mar 15, 11:03 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 7 hr |
| Mar 16, 3:30 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
| Mar 16, 2:37 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 5 more | 31 hr |
| Mar 16, 2:37 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 5 more | 53 hr |
| Mar 16, 3:07 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 29 hr |
| Mar 16, 3:34 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Mar 16, 3:34 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 52 hr |
| Mar 16, 4:04 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 28 hr |
| Mar 17, 7:38 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 26 hr |
| Mar 18, 2:44 PM MDT | Red Flag Warning | PUB | Baca, Las Animas, Prowers | 28 hr |
| Mar 24, 7:25 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 25 hr |
| Mar 25, 12:15 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 33 hr |
| Mar 25, 2:59 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 6 more | 29 hr |
| Mar 25, 3:05 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Mar 26, 11:29 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 7 more | 9 hr |
| Mar 27, 1:28 PM MDT | Red Flag Warning | PUB | El Paso | 7 hr |
| Mar 28, 1:32 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 18 hr |
| Mar 29, 1:32 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 5 hr |
| Mar 30, 2:43 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 28 hr |
| Mar 30, 2:48 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 54 hr |
| Mar 30, 4:16 PM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 28 hr |
| Mar 31, 2:35 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 29 hr |
| Mar 31, 2:53 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Mar 31, 4:14 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 7 more | 27 hr |
| Apr 4, 12:14 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 32 hr |
| Apr 4, 3:29 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 28 hr |
| Apr 5, 3:48 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 40 hr |
| Apr 5, 2:57 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 30 hr |
| Apr 5, 3:38 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 28 hr |
| Apr 7, 1:49 AM MDT | Red Flag Warning | BOU | Logan, Phillips, Sedgwick, Washington, Weld | 13 hr |
| Apr 10, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 29 hr |
| Apr 10, 3:45 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 29 hr |
| Apr 10, 4:09 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Park, Summit | 28 hr |
| Apr 11, 2:47 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more | 29 hr |
| Apr 12, 2:32 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 29 hr |
| Apr 13, 1:52 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 29 hr |
| Apr 23, 2:57 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel | 30 hr |
| Apr 30, 2:30 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 19 hr |
| May 3, 8:36 AM MDT | Red Flag Warning | GJT | Delta, Montrose, Ouray, San Miguel | 12 hr |
| May 3, 3:24 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Gunnison, Hinsdale, La Plata, Moffat and 5 more | 30 hr |
| May 4, 2:57 AM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 17 hr |
| May 4, 4:10 AM MDT | Red Flag Warning | PUB | Chaffee, Lake | 15 hr |
| May 4, 3:00 PM MDT | Red Flag Warning | GJT | Delta, Gunnison, Hinsdale, Montrose, Ouray, San Miguel | 30 hr |
| May 4, 4:12 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 26 hr |
| May 15, 12:19 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| May 15, 3:06 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Logan, Phillips, Sedgwick, Washington | 28 hr |
| May 17, 5:44 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 39 hr |
| May 17, 2:53 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| May 18, 3:28 AM MDT | Red Flag Warning | PUB | El Paso, Teller | 17 hr |
| May 18, 4:05 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 16 hr |
| May 21, 1:20 PM MDT | Red Flag Warning | PUB | El Paso, Teller | 15 hr |
| May 21, 3:24 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 30 hr |
| May 22, 11:59 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 9 hr |
| May 22, 2:24 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 3 more | 32 hr |
| May 24, 2:50 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 54 hr |
| May 25, 9:12 AM MDT | Red Flag Warning | PUB | El Paso, Fremont, Teller | 37 hr |
| May 25, 12:18 PM MDT | Red Flag Warning | BOU | Clear Creek, Douglas, Gilpin, Jefferson, Park | 56 hr |
| May 26, 4:11 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| May 26, 3:39 PM MDT | Red Flag Warning | PUB | El Paso, Fremont, Teller | 28 hr |
| May 27, 3:35 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 17 hr |
| May 29, 9:58 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco, Routt | 35 hr |
| Jun 4, 11:16 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 34 hr |
| Jun 7, 9:28 AM MDT | Red Flag Warning | GJT | Delta, Garfield, Mesa, Moffat, Montrose, Ouray and 2 more | 36 hr |
| Jun 7, 2:41 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 55 hr |
| Jun 8, 2:17 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more | 31 hr |
| Jun 8, 3:03 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 5 more | 55 hr |
| Jun 8, 8:53 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 24 hr |
| Jun 10, 3:35 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 16 hr |
| Jun 13, 9:45 AM MDT | Red Flag Warning | GJT | Moffat | 10 hr |
| Jun 13, 2:57 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 6 hr |
| Jun 16, 3:39 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 41 hr |
| Jun 16, 2:02 PM MDT | Red Flag Warning | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 7 more | 30 hr |
| Jun 16, 3:18 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 30 hr |
| Jun 17, 4:37 AM MDT | Red Flag Warning | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 6 more | 40 hr |
| Jun 17, 2:27 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 32 hr |
| Jun 17, 2:53 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 30 hr |
| Jun 18, 7:17 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 13 hr |
| Jun 18, 2:57 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 30 hr |
| Jun 18, 3:12 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 30 hr |
| Jun 18, 3:25 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 30 hr |
| Jun 20, 10:44 PM MDT | Red Flag Warning | GJT | Delta, Garfield, Gunnison, Hinsdale, Mesa, Moffat and 5 more | 46 hr |
| Jun 21, 2:45 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 30 hr |
| Jun 21, 3:16 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 54 hr |
| Jun 22, 5:17 AM MDT | Red Flag Warning | GJT | Delta, Garfield, Gunnison, Hinsdale, Mesa, Moffat and 5 more | 40 hr |
| Jun 22, 2:39 PM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Lake, Teller | 29 hr |
| Jun 23, 11:26 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 34 hr |
| Jun 23, 3:42 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 30 hr |
| Jun 24, 3:05 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jun 24, 3:27 AM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Lake, Teller | 18 hr |
| Jun 24, 11:30 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco, Routt | 36 hr |
| Jun 24, 12:41 PM MDT | Red Flag Warning | PUB | Costilla, Crowley, Custer, El Paso, Fremont, Huerfano and 5 more | 32 hr |
| Jun 24, 2:54 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 30 hr |
| Jun 24, 6:17 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 27 hr |
| Jun 25, 11:45 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 33 hr |
| Jun 25, 2:47 PM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Crowley, El Paso, Fremont, Huerfano and 8 more | 32 hr |
| Jun 25, 3:09 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 30 hr |
| Jun 25, 3:29 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 29 hr |
| Jun 26, 3:26 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, Custer and 11 more | 30 hr |
| Jun 27, 3:02 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jun 27, 10:19 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 10 hr |
| Jun 27, 2:18 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 34 hr |
| Jun 30, 3:25 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 5 more | 30 hr |
| Jul 5, 5:50 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 13 hr |
| Jul 15, 4:08 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Jul 21, 3:25 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jul 22, 2:49 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jul 23, 3:33 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 17 hr |
| Aug 3, 2:26 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 7 hr |
| Aug 15, 3:07 AM MDT | Red Flag Warning | BOU | Larimer, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 15 hr |
| Aug 15, 4:10 AM MDT | Red Flag Warning | GLD | Yuma | 14 hr |
| Aug 18, 1:32 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 4 hr |
| Aug 27, 12:36 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Logan, Phillips, Sedgwick, Washington | 7 hr |
| Aug 28, 12:45 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Aug 28, 1:26 PM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 6 hr |
| Aug 28, 2:45 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 29 hr |
| Aug 28, 3:03 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 29 hr |
| Aug 29, 1:07 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Aug 29, 2:40 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 29 hr |
| Aug 30, 4:06 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 16 hr |
| Aug 31, 9:15 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 8 more | 11 hr |
| Aug 31, 10:15 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 10 hr |
| Aug 31, 8:12 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 23 hr |
| Sep 1, 3:43 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 15 hr |
| Sep 5, 2:48 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 27 hr |
| Sep 6, 6:29 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 91 min |
| Sep 9, 1:13 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 19 hr |
| Sep 9, 3:43 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 15 hr |
| Sep 16, 11:33 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 8 hr |
| Sep 19, 3:05 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
| Oct 2, 1:30 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 31 hr |
| Oct 3, 4:11 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 7 more | 14 hr |
| Oct 3, 5:32 AM MDT | Red Flag Warning | GLD | Yuma | 14 hr |
| Oct 3, 11:26 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 15 more | 7 hr |
| Oct 5, 3:31 AM MDT | Red Flag Warning | GJT | Delta, Garfield, Gunnison, Hinsdale, Mesa, Montrose and 2 more | 16 hr |
| Oct 8, 5:01 AM MDT | Red Flag Warning | GJT | Moffat | 14 hr |
| Oct 16, 3:40 AM MDT | Red Flag Warning | PUB | Fremont | 15 hr |
| Oct 16, 1:36 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Oct 16, 2:52 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, El Paso and 8 more | 28 hr |
| Oct 16, 3:49 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 26 hr |
| Oct 17, 3:32 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 39 hr |
| Oct 17, 10:36 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 78 min |
| Oct 17, 11:54 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 8 hr |
| Oct 17, 2:26 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Larimer, Lincoln and 6 more | 28 hr |
| Oct 18, 3:26 AM MDT | Red Flag Warning | PUB | El Paso, Kiowa, Prowers | 15 hr |
| Oct 19, 2:15 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 29 hr |
| Oct 21, 10:58 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 7 hr |
| Oct 22, 12:49 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 32 hr |
| Oct 23, 2:48 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Oct 23, 3:34 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 14 hr |
| Oct 23, 1:46 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, Fremont and 6 more | 29 hr |
| Nov 10, 8:44 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 9 hr |
| Nov 10, 9:19 AM MST | Red Flag Warning | GLD | Cheyenne | 8 hr |
| Nov 21, 3:18 AM MST | Red Flag Warning | PUB | Baca, Las Animas | 14 hr |
| Nov 24, 3:43 AM MST | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 13 hr |
| Nov 24, 12:06 PM MST | Red Flag Warning | PUB | El Paso, Huerfano, Pueblo | 6 hr |
| Nov 27, 3:45 AM MST | Red Flag Warning | PUB | Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 3 more | 13 hr |
| Nov 27, 3:48 AM MST | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 13 hr |
| Dec 2, 7:59 AM MST | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 22 hr |
| Dec 2, 9:15 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County48
- Yuma County45
- Cheyenne County43
- Moffat County35
- Rio Blanco County33
- San Miguel County30
- El Paso County29
- Las Animas County28
- Montrose County28
- Delta County27
- Ouray County27
- Douglas County25
- Garfield County25
- Mesa County25
- Fremont County24
- Larimer County24
- Huerfano County23
- Pueblo County23
- Dolores County23
- La Plata County23
- Montezuma County23
- Jefferson County22
- Boulder County21
- Teller County21
- Gunnison County21
- Hinsdale County21
- Elbert County20
- Washington County20
- Weld County20
- Saguache County20
- Logan County19
- Park County19
- Costilla County19
- Baca County18
- Arapahoe County18
- Lincoln County18
- Phillips County18
- Sedgwick County18
- Clear Creek County18
- Gilpin County18
20 more counties
- Routt County18
- Prowers County17
- Adams County17
- Bent County16
- Otero County16
- Morgan County16
- Conejos County16
- Rio Grande County16
- Grand County16
- Jackson County16
- Summit County16
- Kiowa County15
- Crowley County15
- Alamosa County15
- Custer County14
- Broomfield County13
- Chaffee County12
- Lake County12
- Denver County11
- Mineral County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.