Alert archive / Colorado / 2017
Weather alerts in Colorado, November 2017
37 weather alerts in November 2017, 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 2017. Tap one for its archive.
- Alerts
- 37
- Warnings
- 15
- Watches
- 7
- Advisories
- 15
- Busiest day
- November 16, 20176 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 3, 2:12 PM MDT | Winter Storm Watch | BOU | Boulder, Grand, Jackson, Larimer | 15 hr |
| Nov 3, 2:51 PM MDT | Winter Weather Advisory | PUB | Chaffee, Lake, Saguache | 49 hr |
| Nov 3, 3:19 PM MDT | Winter Storm Watch | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 12 hr |
| Nov 3, 3:19 PM MDT | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Montrose and 1 more | 49 hr |
| Nov 3, 9:44 PM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Nov 4, 3:36 AM MDT | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 67 hr |
| Nov 4, 4:12 AM MDT | High Wind Warning | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 4 more | 13 hr |
| Nov 4, 4:46 AM MDT | Winter Storm Warning | BOU | Boulder, Grand, Jackson, Larimer | 48 hr |
| Nov 4, 5:02 AM MDT | High Wind Warning | BOU | Arapahoe, Douglas, Elbert | 13 hr |
| Nov 6, 3:38 AM MST | Winter Weather Advisory | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 43 hr |
| Nov 6, 4:06 AM MST | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 49 hr |
| Nov 6, 6:37 AM MST | Dense Fog Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 1 more | 3 hr |
| Nov 6, 2:32 PM MST | Winter Weather Advisory | GLD | Cheyenne, Kit Carson, Yuma | 17 hr |
| Nov 6, 2:35 PM MST | Winter Weather Advisory | BOU | Arapahoe, Boulder, Douglas, Elbert, Grand, Jackson and 3 more | 19 hr |
| Nov 8, 8:28 PM MST | Dense Fog Advisory | PUB | Custer, Fremont, Pueblo, Teller | 7 hr |
| Nov 10, 4:30 PM MST | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Nov 11, 8:15 PM MST | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Nov 12, 9:20 PM MST | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Nov 15, 2:44 PM MST | Winter Storm Watch | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 13 hr |
| Nov 15, 2:56 PM MST | Winter Storm Watch | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 10 hr |
| Nov 15, 3:20 PM MST | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 24 hr |
| Nov 16, 12:30 AM MST | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 51 hr |
| Nov 16, 12:30 AM MST | Winter Weather Advisory | PUB | Chaffee, Lake, Mineral, Rio Grande, Saguache | 51 hr |
| Nov 16, 3:48 AM MST | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 48 hr |
| Nov 16, 3:48 AM MST | Winter Weather Advisory | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 48 hr |
| Nov 16, 4:32 AM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 47 hr |
| Nov 16, 2:51 PM MST | High Wind Warning | PUB | Huerfano, Las Animas | 26 hr |
| Nov 17, 4:11 AM MST | Wind Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 17 hr |
| Nov 19, 3:29 AM MST | Fire Weather Watch | GLD | Yuma | 24 hr |
| Nov 19, 3:41 AM MST | Fire Weather Watch | BOU | Larimer, Logan, Phillips, Sedgwick, Washington, Weld | 25 hr |
| Nov 20, 3:28 AM MST | Red Flag Warning | GLD | Yuma | 14 hr |
| Nov 20, 4:15 AM MST | Red Flag Warning | BOU | Larimer, Logan, Phillips, Sedgwick, Washington, Weld | 15 hr |
| Nov 20, 4:47 AM MST | Red Flag Warning | PUB | Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 3 more | 12 hr |
| Nov 24, 3:54 AM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Pueblo | 13 hr |
| Nov 26, 2:00 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 27 hr |
| Nov 26, 2:09 PM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 28 hr |
| Nov 26, 2:53 PM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 5 more | 27 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 8 |
| Wind and dust | |
| High Wind Warning | 3 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Larimer County7
- Saguache County7
- Yuma County7
- Boulder County6
- Chaffee County6
- Eagle County6
- Garfield County6
- Gunnison County6
- Montrose County6
- Cheyenne County6
- Kit Carson County6
- Fremont County6
- Huerfano County6
- Pueblo County6
- Grand County5
- Jackson County5
- Moffat County5
- Rio Blanco County5
- Routt County5
- El Paso County5
- Las Animas County5
- Lake County4
- Delta County4
- Mesa County4
- Pitkin County4
- Custer County4
- Arapahoe County4
- Douglas County4
- Mineral County4
- Rio Grande County4
- Costilla County3
- Elbert County3
- Archuleta County3
- Dolores County3
- Hinsdale County3
- La Plata County3
- Montezuma County3
- Ouray County3
- San Juan County3
- San Miguel County3
23 more counties
- Conejos County3
- Teller County3
- Jefferson County3
- Weld County3
- Alamosa County2
- Kiowa County2
- Lincoln County2
- Clear Creek County2
- Gilpin County2
- Park County2
- Summit County2
- Logan County2
- Phillips County2
- Sedgwick County2
- Washington County2
- Adams County1
- Broomfield County1
- Denver County1
- Baca County1
- Bent County1
- Crowley County1
- Otero County1
- Prowers County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.