Alert archive / Colorado / 2020
Weather alerts in Colorado, November 2020
53 weather alerts in November 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in November 2020. Tap one for its archive.
- Alerts
- 53
- Warnings
- 26
- Watches
- 14
- Advisories
- 13
- Busiest day
- November 13, 202011 alerts
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 |
|---|---|---|---|---|
| Nov 4, 7:45 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 9 hr |
| Nov 5, 2:21 AM MST | Fire Weather Watch | GLD | Cheyenne, Kit Carson, Yuma | 12 hr |
| Nov 5, 3:40 AM MST | Fire Weather Watch | PUB | Baca, Bent, El Paso, Huerfano, Kiowa, Las Animas and 2 more | 11 hr |
| Nov 5, 4:02 AM MST | Fire Weather Watch | BOU | Arapahoe, Douglas, Elbert, Lincoln, Washington | 9 hr |
| Nov 5, 1:03 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln, Washington | 28 hr |
| Nov 5, 1:50 PM MST | Winter Storm Watch | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 25 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 5, 2:47 PM MST | Winter Storm Watch | PUB | Conejos, Mineral, Rio Grande, Saguache | 24 hr |
| Nov 6, 2:23 AM MST | High Wind Watch | GLD | Cheyenne, Kit Carson, Yuma | 24 hr |
| Nov 6, 2:45 PM MST | High Wind Watch | BOU | Elbert, Lincoln, Logan, Washington | 14 hr |
| Nov 6, 2:50 PM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande, Saguache | 3 days |
| Nov 6, 2:50 PM MST | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more | 44 hr |
| Nov 6, 3:11 PM MST | Winter Storm Warning | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 3 days |
| Nov 6, 3:11 PM MST | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 43 hr |
| Nov 6, 7:39 PM MST | Wind Advisory | GJT | Delta, Dolores, Garfield, Gunnison, Mesa, Montezuma and 2 more | 32 hr |
| Nov 6, 9:06 PM MST | High Wind Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more | 13 hr |
| Nov 7, 1:57 AM MST | High Wind Warning | GLD | Cheyenne, Kit Carson, Yuma | 33 hr |
| Nov 7, 4:09 AM MST | High Wind Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 30 hr |
| Nov 7, 5:12 AM MST | High Wind Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 30 hr |
| Nov 7, 1:21 PM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more | 19 hr |
| Nov 8, 2:59 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 14 hr |
| Nov 8, 3:23 AM MST | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Garfield, La Plata, Mesa and 4 more | 44 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 9, 7:10 PM MST | Winter Weather Advisory | GLD | Yuma | 11 hr |
| Nov 12, 2:58 PM MST | Fire Weather Watch | PUB | Baca, Bent, Crowley, El Paso, Las Animas, Otero and 1 more | 21 hr |
| Nov 12, 2:58 PM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 26 hr |
| Nov 12, 3:11 PM MST | High Wind Watch | PUB | Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 14 more | 20 hr |
| Nov 12, 8:51 PM MST | High Wind Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 17 hr |
| Nov 13, 2:02 AM MST | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more | 40 hr |
| Nov 13, 2:20 AM MST | High Wind Watch | GLD | Cheyenne, Kit Carson, Yuma | 9 hr |
| Nov 13, 2:25 AM MST | Fire Weather Watch | GLD | Kit Carson, Yuma | 9 hr |
| Nov 13, 3:22 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 41 hr |
| Nov 13, 10:57 AM MST | High Wind Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Nov 13, 10:59 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Nov 13, 11:29 AM MST | High Wind Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 33 hr |
| Nov 13, 11:34 AM MST | Winter Weather Advisory | PUB | Chaffee, Lake, Saguache | 23 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 13, 1:45 PM MST | High Wind Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 51 hr |
| Nov 14, 2:57 AM MST | Wind Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 15 hr |
| Nov 14, 7:51 AM MST | Snow Squall Warning | GJT | Eagle, Garfield, Gunnison, Pitkin | 24 min |
| Nov 14, 8:11 AM MST | Snow Squall Warning | GJT | Eagle, Garfield, Gunnison, Pitkin | 34 min |
| Nov 15, 1:30 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Nov 16, 2:44 PM MST | Fire Weather Watch | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 24 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 |
| Nov 22, 3:15 AM MST | Winter Storm Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 56 hr |
| Nov 22, 3:15 AM MST | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more | 56 hr |
| Nov 22, 4:05 AM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 55 hr |
| Nov 22, 4:05 AM MST | Winter Weather Advisory | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 8 more | 59 hr |
| Nov 23, 3:30 AM MST | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 31 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 11 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 6 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 14 |
| Fire Weather Watch | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County13
- Kit Carson County12
- Yuma County12
- Cheyenne County11
- El Paso County11
- Huerfano County11
- Elbert County9
- Gunnison County9
- Rio Grande County9
- Saguache County9
- Pueblo County9
- Baca County8
- Bent County8
- Kiowa County8
- Otero County8
- Arapahoe County8
- Douglas County8
- Lincoln County8
- Montrose County8
- Garfield County8
- Prowers County7
- Washington County7
- San Miguel County7
- Conejos County7
- Mineral County7
- Chaffee County7
- Dolores County6
- Montezuma County6
- Alamosa County6
- Costilla County6
- Custer County6
- Fremont County6
- Delta County6
- Eagle County6
- Pitkin County6
- Boulder County6
- Jefferson County6
- Crowley County6
- Archuleta County5
- La Plata County5
24 more counties
- Lake County5
- Mesa County5
- Adams County5
- Broomfield County5
- Denver County5
- Grand County5
- Clear Creek County5
- Gilpin County5
- Park County5
- Hinsdale County4
- Ouray County4
- Logan County4
- Moffat County4
- Rio Blanco County4
- Routt County4
- Teller County4
- Larimer County4
- Summit County4
- San Juan County3
- Jackson County3
- Phillips County3
- Sedgwick County3
- Morgan County2
- Weld County2
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. Warning verification from the Mesonet's Cow. Rebuilt daily.