Alert archive / Colorado / Red Flag Warnings / 2011
Red Flag Warnings in Colorado, April 2011
32 red flag warnings in April 2011. 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 April 2011. Tap one for its archive.
- Red Flag Warnings
- 32
- Busiest day
- April 8, 20114 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 |
|---|---|---|---|---|
| Apr 1, 2:37 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 29 hr |
| Apr 1, 3:08 PM MDT | Red Flag Warning | GJT | Dolores, Eagle, Garfield, La Plata, Mesa, Montezuma and 2 more | 29 hr |
| Apr 1, 3:34 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 44 hr |
| Apr 2, 3:20 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
| Apr 2, 3:40 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 9 more | 28 hr |
| Apr 3, 3:56 AM MDT | Red Flag Warning | GLD | Cheyenne | 14 hr |
| Apr 4, 3:27 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, El Paso, Fremont, Pueblo and 3 more | 29 hr |
| Apr 4, 3:51 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 28 hr |
| Apr 5, 10:03 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 9 hr |
| Apr 5, 3:29 PM MDT | Red Flag Warning | PUB | Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache | 25 hr |
| Apr 6, 3:44 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 7 more | 28 hr |
| Apr 7, 12:31 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more | 31 hr |
| Apr 7, 2:47 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 29 hr |
| Apr 8, 3:18 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 17 hr |
| Apr 8, 2:01 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 12 more | 31 hr |
| Apr 8, 3:30 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Apr 8, 3:37 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 28 hr |
| Apr 10, 4:28 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 16 hr |
| Apr 11, 1:16 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 43 hr |
| Apr 11, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Huerfano and 6 more | 29 hr |
| Apr 14, 3:15 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 29 hr |
| Apr 16, 2:52 PM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, El Paso and 8 more | 29 hr |
| Apr 17, 9:54 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 10 hr |
| Apr 17, 3:04 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 28 hr |
| Apr 18, 3:36 PM MDT | Red Flag Warning | PUB | Costilla, Custer, Fremont, Huerfano, Las Animas, Pueblo and 1 more | 28 hr |
| Apr 20, 2:55 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 30 hr |
| Apr 20, 3:38 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Crowley, El Paso, Huerfano and 5 more | 28 hr |
| Apr 21, 3:30 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Crowley, El Paso, Huerfano and 5 more | 29 hr |
| Apr 22, 7:22 AM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 13 hr |
| Apr 28, 2:48 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 30 hr |
| Apr 28, 2:48 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 6 more | 29 hr |
| Apr 28, 3:28 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 29 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County15
- Costilla County14
- Saguache County14
- Huerfano County13
- Otero County13
- Pueblo County13
- Crowley County12
- Baca County11
- Bent County11
- El Paso County11
- Kiowa County10
- Prowers County10
- Alamosa County9
- Conejos County9
- Rio Grande County9
- Custer County8
- Fremont County8
- Cheyenne County7
- Kit Carson County7
- Teller County6
- Elbert County5
- Lincoln County5
- Yuma County5
- Adams County4
- Arapahoe County4
- Boulder County4
- Broomfield County4
- Clear Creek County4
- Denver County4
- Douglas County4
- Gilpin County4
- Jefferson County4
- Park County4
- Washington County4
- Dolores County3
- La Plata County3
- Montezuma County3
- San Miguel County3
- Logan County3
- Morgan County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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. Warning verification from the Mesonet's Cow. Rebuilt daily.