Alert archive / Colorado / Red Flag Warnings
Red Flag Warnings in Colorado, 2018
160 red flag warnings in 2018. 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 2018. Tap one for its archive.
- Red Flag Warnings
- 160
- Busiest month
- April36 red flag warnings
- Busiest day
- April 10, 20187 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 24, 3:03 PM MST | Red Flag Warning | PUB | Baca, Costilla, Custer, El Paso, Fremont, Huerfano and 4 more | 26 hr |
| Jan 26, 3:36 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 13 hr |
| Jan 29, 9:42 AM MST | Red Flag Warning | PUB | Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 2 more | 32 hr |
| Jan 30, 2:55 PM MST | Red Flag Warning | PUB | Costilla, Custer, Fremont, Huerfano, Las Animas, Pueblo and 1 more | 26 hr |
| Feb 17, 2:26 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Feb 17, 3:15 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 26 hr |
| Feb 17, 3:25 PM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 27 hr |
| Feb 25, 2:15 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Feb 25, 3:05 PM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Custer, El Paso, Fremont and 6 more | 27 hr |
| Feb 26, 2:57 PM MST | Red Flag Warning | PUB | Baca, Bent, Huerfano, Las Animas, Otero, Prowers | 26 hr |
| Feb 27, 10:27 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 4 hr |
| Feb 27, 11:04 AM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 5 min |
| Feb 27, 11:09 AM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 3 hr |
| Mar 1, 2:15 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Mar 1, 3:21 PM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 27 hr |
| Mar 2, 3:51 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Lincoln, Washington | 14 hr |
| Mar 2, 2:15 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Mar 2, 2:30 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 28 hr |
| Mar 2, 3:45 PM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 28 hr |
| Mar 3, 3:12 AM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 9 more | 41 hr |
| Mar 3, 1:26 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Mar 3, 3:17 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 28 hr |
| Mar 4, 9:49 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 32 hr |
| Mar 4, 10:00 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| Mar 4, 10:54 AM MST | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 31 hr |
| Mar 5, 9:42 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Mar 5, 3:39 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 26 hr |
| Mar 6, 3:18 AM MST | Red Flag Warning | BOU | Elbert, Lincoln | 15 hr |
| Mar 8, 3:06 PM MST | Red Flag Warning | BOU | Larimer, Logan, Weld | 27 hr |
| Mar 9, 2:00 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Mar 9, 3:35 PM MST | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Fremont, Huerfano and 4 more | 26 hr |
| Mar 14, 1:55 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 29 hr |
| Mar 14, 2:53 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 29 hr |
| Mar 14, 3:20 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 28 hr |
| Mar 15, 3:30 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 28 hr |
| Mar 16, 3:21 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, Huerfano and 5 more | 28 hr |
| Mar 18, 2:20 AM MDT | Red Flag Warning | GLD | Cheyenne | 15 hr |
| Mar 18, 3:44 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 16 hr |
| Mar 22, 4:03 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 39 hr |
| Mar 22, 2:53 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 28 hr |
| Mar 22, 2:55 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Mar 23, 3:03 PM MDT | Red Flag Warning | PUB | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo | 28 hr |
| Mar 24, 3:04 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more | 28 hr |
| Mar 25, 4:16 AM MDT | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Park | 14 hr |
| Apr 1, 11:17 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 33 hr |
| Apr 1, 11:28 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 32 hr |
| Apr 1, 11:49 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 32 hr |
| Apr 1, 2:47 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Hinsdale, La Plata and 6 more | 30 hr |
| Apr 2, 12:17 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more | 31 hr |
| Apr 2, 1:25 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Morgan | 29 hr |
| Apr 2, 2:18 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Apr 3, 2:55 PM MDT | Red Flag Warning | BOU | Park | 24 hr |
| Apr 3, 2:59 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Conejos, Costilla, Custer, Fremont and 5 more | 29 hr |
| Apr 4, 2:45 AM MDT | Red Flag Warning | GLD | Yuma | 16 hr |
| Apr 7, 2:58 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| Apr 10, 2:02 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 41 hr |
| Apr 10, 2:02 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 66 hr |
| Apr 10, 3:44 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 39 hr |
| Apr 10, 3:44 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 65 hr |
| Apr 10, 3:52 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 41 hr |
| Apr 10, 3:52 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 65 hr |
| Apr 10, 2:00 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, Montrose and 2 more | 30 hr |
| Apr 11, 2:34 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Garfield, Hinsdale, La Plata, Mesa and 4 more | 29 hr |
| Apr 15, 4:01 AM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Garfield, Hinsdale, La Plata, Mesa and 4 more | 44 hr |
| Apr 15, 4:20 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Chaffee, Conejos, Costilla, Custer and 8 more | 40 hr |
| Apr 15, 3:00 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 55 hr |
| Apr 15, 3:25 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 53 hr |
| Apr 16, 3:45 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more | 42 hr |
| Apr 17, 2:33 AM MDT | Red Flag Warning | GJT | Dolores, Garfield, La Plata, Mesa, Montezuma, Montrose and 1 more | 7 hr |
| Apr 18, 3:11 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Hinsdale, La Plata and 8 more | 42 hr |
| Apr 18, 3:12 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Chaffee, Conejos, Costilla, Crowley and 11 more | 29 hr |
| Apr 18, 8:27 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Clear Creek, Denver, Douglas and 7 more | 24 hr |
| Apr 28, 2:38 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Garfield, Hinsdale, La Plata and 8 more | 30 hr |
| Apr 28, 2:45 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Apr 28, 3:04 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 28 hr |
| Apr 28, 4:04 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, El Paso and 7 more | 27 hr |
| Apr 29, 12:57 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 32 hr |
| Apr 29, 1:14 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| Apr 29, 2:53 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 4 more | 28 hr |
| Apr 30, 3:21 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Conejos, Costilla, Huerfano, Las Animas and 3 more | 29 hr |
| May 1, 3:17 PM MDT | Red Flag Warning | PUB | Baca, Las Animas | 29 hr |
| May 9, 3:06 AM MDT | Red Flag Warning | PUB | Baca, Bent, Chaffee, Costilla, Crowley, Custer and 11 more | 42 hr |
| May 9, 3:08 AM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Moffat, Montezuma, Montrose and 3 more | 42 hr |
| May 9, 3:50 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Park | 39 hr |
| May 10, 3:52 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 42 hr |
| May 10, 3:07 PM MDT | Red Flag Warning | PUB | Baca, Bent, Chaffee, Costilla, Crowley, Custer and 9 more | 30 hr |
| May 10, 3:15 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 55 hr |
| May 10, 3:29 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Park | 28 hr |
| May 11, 3:08 PM MDT | Red Flag Warning | PUB | Chaffee, Costilla, Custer, Huerfano, Lake, Las Animas and 2 more | 30 hr |
| May 12, 2:59 PM MDT | Red Flag Warning | PUB | Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache | 30 hr |
| May 16, 8:39 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 7 more | 36 hr |
| May 16, 2:17 PM MDT | Red Flag Warning | PUB | Conejos, Costilla, Custer, El Paso, Huerfano, Las Animas and 4 more | 30 hr |
| May 18, 4:14 AM MDT | Red Flag Warning | PUB | Baca, Las Animas | 10 hr |
| May 22, 3:00 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| May 25, 1:52 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 44 hr |
| May 25, 2:26 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 31 hr |
| May 26, 2:33 AM MDT | Red Flag Warning | BOU | Park | 18 hr |
| May 26, 2:33 AM MDT | Red Flag Warning | BOU | Park | 42 hr |
| May 26, 3:51 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 41 hr |
| May 27, 3:01 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 30 hr |
| May 30, 4:30 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 42 hr |
| May 30, 3:16 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more | 30 hr |
| May 31, 3:45 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 41 hr |
| May 31, 4:31 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 41 hr |
| May 31, 6:20 PM MDT | Red Flag Warning | BOU | Clear Creek, Douglas, Gilpin, Jefferson, Park | 27 hr |
| Jun 8, 4:20 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 41 hr |
| Jun 8, 10:50 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 59 hr |
| Jun 9, 4:35 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 15 hr |
| Jun 9, 4:35 AM MDT | Red Flag Warning | PUB | Alamosa, Bent, Chaffee, Conejos, Costilla, Crowley and 14 more | 41 hr |
| Jun 9, 9:00 AM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Grand and 5 more | 37 hr |
| Jun 11, 3:21 AM MDT | Red Flag Warning | BOU | Jackson | 17 hr |
| Jun 13, 3:02 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 42 hr |
| Jun 14, 3:27 AM MDT | Red Flag Warning | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more | 17 hr |
| Jun 14, 3:48 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 41 hr |
| Jun 14, 9:45 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 10 hr |
| Jun 15, 12:35 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 7 hr |
| Jun 18, 2:10 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel | 18 hr |
| Jun 20, 3:08 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 29 hr |
| Jun 21, 2:25 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 31 hr |
| Jun 21, 3:07 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 30 hr |
| Jun 22, 2:37 AM MDT | Red Flag Warning | BOU | Park | 17 hr |
| Jun 22, 2:54 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more | 30 hr |
| Jun 22, 3:14 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 30 hr |
| Jun 23, 2:04 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 30 hr |
| Jun 23, 10:04 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 22 hr |
| Jun 26, 4:07 AM MDT | Red Flag Warning | GJT | Moffat | 16 hr |
| Jun 26, 2:41 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 24 hr |
| Jun 27, 3:39 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 5 more | 42 hr |
| Jun 27, 4:43 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 41 hr |
| Jun 27, 1:12 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Chaffee, Conejos, Costilla, Custer and 12 more | 32 hr |
| Jun 27, 2:34 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 5 hr |
| Jun 28, 3:54 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 41 hr |
| Jun 28, 11:44 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 33 hr |
| Jun 28, 2:42 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 28 hr |
| Jun 30, 9:08 AM MDT | Red Flag Warning | BOU | Park | 9 hr |
| Jul 2, 2:56 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 29 hr |
| Jul 2, 3:13 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more | 6 hr |
| Jul 3, 4:03 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Park, Summit | 16 hr |
| Jul 3, 4:12 AM MDT | Red Flag Warning | PUB | Alamosa, Bent, Chaffee, Conejos, Costilla, Crowley and 14 more | 16 hr |
| Jul 29, 3:04 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 17 hr |
| Aug 26, 3:35 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more | 26 hr |
| Aug 27, 9:44 AM MDT | Red Flag Warning | GJT | Montrose, San Miguel | 11 hr |
| Aug 29, 11:42 AM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Montrose, Pitkin and 3 more | 32 hr |
| Aug 30, 3:48 AM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 15 hr |
| Sep 10, 1:38 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 30 hr |
| Sep 10, 1:38 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 5 more | 55 hr |
| Sep 10, 2:30 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 54 hr |
| Sep 11, 2:32 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more | 54 hr |
| Sep 11, 3:06 PM MDT | Red Flag Warning | BOU | Boulder, Grand, Jackson, Larimer, Summit | 53 hr |
| Sep 12, 2:17 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 55 hr |
| Sep 14, 3:31 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 41 hr |
| Sep 18, 1:30 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 30 hr |
| Sep 22, 4:01 AM MDT | Red Flag Warning | GJT | Moffat | 15 hr |
| Sep 23, 3:39 AM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 16 hr |
| Sep 23, 2:05 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 24 hr |
| Sep 28, 3:50 AM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, Routt and 1 more | 40 hr |
| Sep 28, 10:32 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 32 hr |
| Sep 28, 1:14 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, El Paso, Fremont, Rio Grande and 2 more | 29 hr |
| Oct 5, 12:40 PM MDT | Red Flag Warning | PUB | Baca, Huerfano, Las Animas | 6 hr |
| Dec 20, 2:22 PM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Las Animas, Pueblo | 27 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County53
- Huerfano County49
- Pueblo County48
- Costilla County46
- Saguache County46
- Custer County39
- El Paso County37
- Fremont County35
- Conejos County32
- Rio Grande County32
- Moffat County32
- Alamosa County31
- Baca County30
- Rio Blanco County30
- San Miguel County29
- Bent County28
- Montrose County28
- Otero County27
- Crowley County26
- Prowers County25
- Garfield County25
- Mesa County25
- Elbert County24
- Kiowa County23
- Lincoln County23
- Dolores County23
- La Plata County23
- Montezuma County23
- Park County22
- Hinsdale County22
- Archuleta County21
- San Juan County21
- Delta County20
- Ouray County20
- Cheyenne County19
- Douglas County19
- Teller County19
- Kit Carson County18
- Chaffee County18
- Lake County18
24 more counties
- Arapahoe County17
- Clear Creek County14
- Gilpin County14
- Eagle County14
- Pitkin County14
- Jefferson County13
- Gunnison County13
- Boulder County12
- Mineral County12
- Grand County12
- Jackson County12
- Summit County12
- Larimer County11
- Yuma County10
- Adams County10
- Weld County8
- Washington County7
- Broomfield County7
- Denver County7
- Morgan County7
- Routt County7
- Logan County5
- Phillips County2
- Sedgwick County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.