Alert archive / Colorado / Red Flag Warnings / 2018
Red Flag Warnings in Colorado, April 2018
36 red flag warnings in April 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 April 2018. Tap one for its archive.
- Red Flag Warnings
- 36
- Busiest day
- April 10, 20187 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, 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alamosa County11
- Conejos County11
- Costilla County11
- Las Animas County11
- Pueblo County11
- Rio Grande County11
- Saguache County11
- Huerfano County10
- Baca County9
- El Paso County9
- Bent County8
- Crowley County8
- Custer County8
- Fremont County8
- Otero County8
- Elbert County8
- Lincoln County8
- Kiowa County7
- Cheyenne County7
- Kit Carson County7
- Dolores County7
- La Plata County7
- Montezuma County7
- Montrose County7
- San Miguel County7
- Prowers County6
- Archuleta County6
- Garfield County6
- Hinsdale County6
- Mesa County6
- San Juan County6
- Adams County6
- Arapahoe County6
- Park County6
- Teller County5
- Yuma County5
- Clear Creek County5
- Douglas County5
- Gilpin County5
- Jefferson County5
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. Warning verification from the Mesonet's Cow. Rebuilt daily.