Alert archive / Colorado / Red Flag Warnings
Red Flag Warnings in Colorado, 2020
208 red flag warnings in 2020. 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 2020. Tap one for its archive.
- Red Flag Warnings
- 208
- Busiest month
- June42 red flag warnings
- Busiest day
- March 25, 20205 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 13, 3:07 PM MST | Red Flag Warning | PUB | Baca, Las Animas | 26 hr |
| Jan 31, 3:13 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 14 hr |
| Feb 1, 1:04 PM MST | Red Flag Warning | GLD | Kit Carson, Yuma | 4 hr |
| Feb 1, 1:09 PM MST | Red Flag Warning | PUB | Baca, Bent, Kiowa, Las Animas, Prowers | 29 hr |
| Feb 1, 8:10 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| Mar 3, 1:02 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Mar 4, 8:20 AM MST | Red Flag Warning | BOU | Logan, Phillips, Sedgwick, Washington, Weld | 9 hr |
| Mar 4, 1:37 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 4 hr |
| Mar 10, 4:00 AM MDT | Red Flag Warning | PUB | Huerfano, Las Animas, Pueblo | 15 hr |
| Mar 17, 6:34 PM MDT | Red Flag Warning | PUB | Las Animas, Otero | 23 hr |
| Mar 22, 3:32 PM MDT | Red Flag Warning | PUB | Crowley, Huerfano, Las Animas, Otero, Pueblo | 26 hr |
| Mar 23, 6:22 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 10 more | 50 hr |
| Mar 25, 2:38 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Mar 25, 3:14 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 16 hr |
| Mar 25, 2:30 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 29 hr |
| Mar 25, 3:09 PM MDT | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 29 hr |
| Mar 25, 3:31 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 10 more | 28 hr |
| Mar 26, 3:23 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 5 more | 28 hr |
| Mar 31, 2:35 PM MDT | Red Flag Warning | PUB | Baca, Huerfano, Las Animas | 29 hr |
| Apr 1, 3:21 PM MDT | Red Flag Warning | PUB | Fremont, Huerfano, Las Animas, Pueblo | 22 hr |
| Apr 4, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 6 more | 29 hr |
| Apr 5, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, El Paso and 8 more | 29 hr |
| Apr 6, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Huerfano, Las Animas and 2 more | 29 hr |
| Apr 7, 4:45 AM MDT | Red Flag Warning | BOU | Larimer, Logan, Phillips, Sedgwick, Weld | 14 hr |
| Apr 25, 2:11 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 30 hr |
| Apr 25, 2:35 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| Apr 27, 1:58 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Apr 27, 2:15 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 30 hr |
| Apr 27, 2:44 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, El Paso and 7 more | 29 hr |
| Apr 28, 3:27 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more | 17 hr |
| Apr 29, 3:14 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Apr 30, 2:31 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Apr 30, 2:54 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 17 hr |
| Apr 30, 2:00 PM MDT | Red Flag Warning | GJT | Delta, Montrose, Ouray, San Miguel | 31 hr |
| Apr 30, 2:53 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 1, 3:18 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 29 hr |
| May 2, 3:39 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 17 hr |
| May 2, 1:45 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 31 hr |
| May 2, 3:05 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 30 hr |
| May 4, 3:43 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 16 hr |
| May 5, 1:59 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Hinsdale and 8 more | 43 hr |
| May 5, 3:09 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 6, 2:37 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more | 29 hr |
| May 6, 2:44 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Hinsdale and 8 more | 30 hr |
| May 6, 3:17 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Crowley, Custer, El Paso and 9 more | 30 hr |
| May 7, 2:50 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Mineral, Rio Grande, Saguache | 29 hr |
| May 8, 1:46 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 31 hr |
| May 11, 11:05 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 34 hr |
| May 11, 3:46 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Huerfano, Las Animas, Rio Grande and 1 more | 28 hr |
| May 12, 4:05 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Conejos, Costilla, Custer, El Paso and 6 more | 40 hr |
| May 12, 2:04 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 31 hr |
| May 12, 3:04 PM MDT | Red Flag Warning | BOU | Park | 29 hr |
| May 16, 7:21 PM MDT | Red Flag Warning | GJT | Montrose, San Miguel | 26 hr |
| May 17, 3:34 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 44 hr |
| May 17, 5:04 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more | 39 hr |
| May 17, 2:50 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 57 hr |
| May 18, 2:39 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Huerfano and 4 more | 29 hr |
| May 18, 3:28 PM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 29 hr |
| May 19, 3:49 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 11 more | 41 hr |
| May 19, 4:18 AM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 41 hr |
| May 19, 2:15 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 30 hr |
| May 21, 2:03 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, La Plata, Mesa and 7 more | 31 hr |
| May 21, 2:57 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more | 30 hr |
| May 22, 1:40 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| May 22, 2:22 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more | 31 hr |
| May 22, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 29 hr |
| May 22, 2:56 PM MDT | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Park | 29 hr |
| May 24, 3:23 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 17 hr |
| Jun 1, 2:12 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 18 hr |
| Jun 4, 2:41 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel | 41 hr |
| Jun 5, 12:37 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Jun 5, 3:12 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 29 hr |
| Jun 5, 3:12 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 54 hr |
| Jun 5, 3:37 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 7 more | 53 hr |
| Jun 5, 6:04 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 51 hr |
| Jun 6, 2:36 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 31 hr |
| Jun 7, 1:46 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 3 more | 30 hr |
| Jun 7, 2:48 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Park | 30 hr |
| Jun 7, 2:48 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 32 hr |
| Jun 8, 2:54 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| Jun 12, 12:45 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 31 hr |
| Jun 12, 3:20 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 29 hr |
| Jun 13, 3:46 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 40 hr |
| Jun 13, 4:34 AM MDT | Red Flag Warning | PUB | Baca, Bent, Chaffee, Crowley, El Paso, Fremont and 8 more | 39 hr |
| Jun 13, 11:44 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| Jun 13, 3:14 PM MDT | Red Flag Warning | BOU | Clear Creek, Douglas, Elbert, Gilpin, Jefferson, Lincoln and 1 more | 29 hr |
| Jun 14, 2:27 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 31 hr |
| Jun 14, 2:27 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 55 hr |
| Jun 14, 2:35 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Jun 14, 2:50 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 12 more | 29 hr |
| Jun 15, 1:22 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Jun 15, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more | 29 hr |
| Jun 15, 3:54 PM MDT | Red Flag Warning | BOU | Clear Creek, Douglas, Elbert, Gilpin, Jefferson, Lincoln and 6 more | 28 hr |
| Jun 16, 3:02 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 41 hr |
| Jun 16, 3:46 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 40 hr |
| Jun 16, 11:30 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Park | 33 hr |
| Jun 16, 1:56 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Jun 17, 2:50 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Jun 18, 2:23 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 31 hr |
| Jun 21, 2:47 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 29 hr |
| Jun 22, 1:41 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 30 hr |
| Jun 26, 1:55 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 55 hr |
| Jun 26, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Jun 27, 2:22 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 55 hr |
| Jun 28, 1:31 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Jun 28, 2:58 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 5 more | 29 hr |
| Jun 28, 3:11 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Washington | 29 hr |
| Jun 29, 2:52 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 7 more | 29 hr |
| Jun 29, 9:11 PM MDT | Red Flag Warning | GJT | Archuleta, Hinsdale, La Plata, San Juan | 23 hr |
| Jun 30, 1:51 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 30 hr |
| Jul 1, 2:20 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 30 hr |
| Jul 5, 1:52 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 55 hr |
| Jul 6, 2:06 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Jul 6, 2:23 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 55 hr |
| Jul 6, 3:05 PM MDT | Red Flag Warning | BOU | Elbert, Grand, Jackson, Lincoln, Logan, Park and 4 more | 29 hr |
| Jul 7, 3:08 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 41 hr |
| Jul 7, 3:44 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more | 41 hr |
| Jul 9, 2:35 PM MDT | Red Flag Warning | BOU | Boulder, Grand, Jackson, Larimer, Park, Summit and 1 more | 29 hr |
| Jul 11, 2:12 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 55 hr |
| Jul 12, 1:48 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 54 hr |
| Jul 30, 1:38 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 18 hr |
| Aug 4, 2:31 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 4 more | 53 hr |
| Aug 6, 3:10 AM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 3 more | 41 hr |
| Aug 10, 2:40 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, La Plata, Mesa and 6 more | 29 hr |
| Aug 11, 2:05 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 4 more | 30 hr |
| Aug 12, 2:41 PM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more | 29 hr |
| Aug 13, 3:27 AM MDT | Red Flag Warning | BOU | Boulder, Grand, Jackson, Larimer, Summit | 17 hr |
| Aug 18, 3:27 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 29 hr |
| Aug 19, 3:51 AM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 4 more | 17 hr |
| Aug 20, 3:15 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 18 hr |
| Aug 20, 3:43 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 17 hr |
| Aug 20, 4:36 AM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 15 hr |
| Aug 29, 2:02 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Aug 29, 2:21 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 31 hr |
| Aug 29, 3:21 PM MDT | Red Flag Warning | BOU | Boulder, Larimer, Logan, Morgan, Phillips, Sedgwick and 2 more | 29 hr |
| Aug 30, 2:23 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 43 hr |
| Sep 4, 1:08 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Sep 4, 2:40 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Clear Creek, Elbert, Gilpin and 12 more | 3 days |
| Sep 4, 3:28 PM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more | 3 days |
| Sep 5, 2:30 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco, Routt | 67 hr |
| Sep 5, 12:01 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Sep 6, 2:57 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more | 29 hr |
| Sep 19, 2:04 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 17 hr |
| Sep 19, 3:55 AM MDT | Red Flag Warning | PUB | Bent, Kiowa, Prowers | 15 hr |
| Sep 23, 10:29 AM MDT | Red Flag Warning | GJT | Moffat | 34 hr |
| Sep 24, 3:00 AM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Montrose, Pitkin and 3 more | 41 hr |
| Sep 24, 4:06 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 40 hr |
| Sep 24, 2:52 PM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 29 hr |
| Sep 25, 12:45 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 31 hr |
| Sep 25, 2:32 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 3 more | 29 hr |
| Sep 25, 4:46 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 27 hr |
| Sep 26, 2:14 AM MDT | Red Flag Warning | GLD | Yuma | 16 hr |
| Sep 27, 2:33 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 17 hr |
| Sep 29, 2:27 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 16 hr |
| Oct 2, 3:48 AM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 16 hr |
| Oct 2, 4:02 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 3 more | 16 hr |
| Oct 4, 2:26 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 40 hr |
| Oct 4, 4:01 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 15 more | 38 hr |
| Oct 4, 2:42 PM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Kiowa, Lake | 27 hr |
| Oct 7, 1:21 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Oct 7, 2:42 PM MDT | Red Flag Warning | PUB | Baca, Kiowa, Prowers | 27 hr |
| Oct 9, 1:31 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Oct 9, 2:13 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 30 hr |
| Oct 9, 3:00 PM MDT | Red Flag Warning | PUB | Baca, Bent, El Paso, Kiowa, Prowers | 29 hr |
| Oct 9, 3:43 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 28 hr |
| Oct 10, 1:34 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 40 hr |
| Oct 10, 3:44 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 40 hr |
| Oct 10, 3:50 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 41 hr |
| Oct 11, 1:57 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Oct 11, 2:48 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 27 hr |
| Oct 11, 3:37 PM MDT | Red Flag Warning | PUB | Baca, Chaffee, Costilla, Custer, El Paso, Fremont and 8 more | 26 hr |
| Oct 12, 3:00 PM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 27 hr |
| Oct 12, 3:02 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Douglas, Elbert, Grand and 6 more | 27 hr |
| Oct 13, 1:54 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 28 hr |
| Oct 13, 1:56 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 25 hr |
| Oct 13, 2:48 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 29 hr |
| Oct 13, 3:01 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 29 hr |
| Oct 14, 2:16 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 30 hr |
| Oct 14, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Mineral and 2 more | 29 hr |
| Oct 14, 3:39 PM MDT | Red Flag Warning | BOU | Park | 26 hr |
| Oct 15, 3:24 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 51 hr |
| Oct 16, 4:02 AM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 17 hr |
| Oct 16, 2:53 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 28 hr |
| Oct 19, 4:01 AM MDT | Red Flag Warning | BOU | Park | 14 hr |
| Oct 19, 4:19 AM MDT | Red Flag Warning | PUB | Chaffee, Fremont, Lake | 15 hr |
| Oct 20, 3:23 PM MDT | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 28 hr |
| Oct 20, 3:35 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 36 hr |
| Oct 21, 3:06 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Chaffee, Conejos, Costilla, Custer and 10 more | 28 hr |
| Oct 21, 3:32 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Park, Summit | 27 hr |
| Oct 22, 1:40 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 16 hr |
| Oct 23, 3:12 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Eagle, Garfield, Gunnison, Hinsdale and 10 more | 16 hr |
| Oct 23, 3:37 AM MDT | Red Flag Warning | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more | 39 hr |
| Oct 23, 3:49 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Mineral and 2 more | 15 hr |
| Oct 23, 3:49 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more | 39 hr |
| Nov 4, 7:45 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 9 hr |
| Nov 5, 1:03 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Washington | 28 hr |
| Nov 5, 1:58 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 27 hr |
| Nov 5, 2:47 PM MST | Red Flag Warning | PUB | Baca, Bent, El Paso, Huerfano, Kiowa, Las Animas and 2 more | 26 hr |
| Nov 8, 2:59 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 14 hr |
| Nov 8, 4:03 AM MST | Red Flag Warning | PUB | El Paso | 13 hr |
| Nov 8, 4:09 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 2 more | 13 hr |
| Nov 12, 2:58 PM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 26 hr |
| Nov 13, 10:59 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Nov 13, 11:48 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more | 29 hr |
| Nov 15, 1:30 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Nov 17, 2:56 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 26 hr |
| Nov 17, 3:34 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 25 hr |
| Nov 18, 1:30 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 14 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County48
- Saguache County46
- Conejos County45
- Rio Grande County45
- Costilla County44
- San Miguel County44
- Alamosa County43
- Huerfano County41
- La Plata County39
- Pueblo County37
- Dolores County37
- Montezuma County37
- Fremont County36
- El Paso County35
- Kit Carson County34
- Delta County34
- Montrose County34
- Garfield County33
- Mesa County33
- Yuma County32
- Cheyenne County32
- Park County31
- Ouray County31
- Baca County29
- Moffat County29
- Hinsdale County28
- Chaffee County28
- Lake County28
- Rio Blanco County27
- Kiowa County26
- Otero County26
- Prowers County26
- Elbert County26
- Bent County25
- Douglas County24
- Crowley County23
- Lincoln County23
- Archuleta County23
- San Juan County23
- Eagle County23
24 more counties
- Pitkin County23
- Custer County22
- Boulder County21
- Clear Creek County21
- Gilpin County21
- Teller County20
- Arapahoe County19
- Larimer County19
- Washington County17
- Jefferson County17
- Mineral County17
- Gunnison County15
- Grand County15
- Summit County15
- Weld County14
- Logan County13
- Phillips County13
- Sedgwick County13
- Jackson County13
- Adams County12
- Morgan County10
- Routt County9
- Broomfield County8
- Denver County8
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.