Alert archive / Colorado / 2009
Weather alerts in Colorado, November 2009
24 weather alerts in November 2009, 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 2009. Tap one for its archive.
- Alerts
- 24
- Warnings
- 4
- Watches
- 8
- Advisories
- 11
- Busiest day
- November 12, 20098 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 11, 3:42 PM MST | Winter Storm Watch | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 13 hr |
| Nov 11, 8:25 PM MST | Winter Storm Watch | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 8 hr |
| Nov 12, 4:03 AM MST | Winter Storm Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more | 3 days |
| Nov 12, 4:03 AM MST | Winter Weather Advisory | PUB | Lake, Mineral, Rio Grande, Saguache | 49 hr |
| Nov 12, 4:48 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 39 hr |
| Nov 12, 4:48 AM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Nov 12, 4:48 AM MST | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Nov 12, 12:52 PM MST | Winter Storm Watch | GJT | Archuleta, Dolores, La Plata, Montezuma, San Miguel | 27 hr |
| Nov 12, 3:37 PM MST | Winter Storm Watch | PUB | Conejos, Mineral, Rio Grande, Saguache | 19 hr |
| Nov 13, 5:06 AM MST | Winter Storm Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more | 34 hr |
| Nov 13, 10:50 AM MST | Winter Storm Watch | PUB | Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more | 35 hr |
| Nov 14, 3:15 AM MST | Winter Storm Watch | GLD | Cheyenne, Kit Carson, Yuma | 36 hr |
| Nov 14, 10:57 AM MST | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more | 26 hr |
| Nov 14, 3:23 PM MST | Winter Weather Advisory | BOU | Grand, Jackson, Park | 20 hr |
| Nov 14, 4:09 PM MST | Winter Weather Advisory | PUB | Chaffee, El Paso, Fremont, Lake, Saguache, Teller | 23 hr |
| Nov 14, 4:16 PM MST | Winter Storm Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Nov 15, 1:58 AM MST | Winter Weather Advisory | GLD | Yuma | 27 hr |
| Nov 15, 9:26 AM MST | Mesoscale Discussion | SPC | Bent, Cheyenne, Kiowa, Otero, Prowers | 4 hr |
| Nov 22, 2:50 PM MST | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 29 hr |
| Nov 23, 2:42 AM MST | Wind Advisory | GLD | Cheyenne, Kit Carson | 13 hr |
| Nov 27, 3:03 AM MST | Winter Storm Watch | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 24 hr |
| Nov 28, 3:31 AM MST | Winter Weather Advisory | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 28 hr |
| Nov 28, 4:14 AM MST | Winter Weather Advisory | PUB | Conejos, Mineral, Rio Grande | 29 hr |
| Nov 29, 6:06 PM MST | Dense Fog Advisory | GJT | Archuleta | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 1 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 8 |
| Winter Weather Advisory | 9 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Archuleta County7
- Dolores County6
- La Plata County6
- Montezuma County6
- San Miguel County6
- Saguache County6
- Gunnison County5
- Hinsdale County5
- Montrose County5
- Ouray County5
- San Juan County5
- Lake County5
- Mineral County5
- Rio Grande County5
- Eagle County4
- Garfield County4
- Moffat County4
- Pitkin County4
- Rio Blanco County4
- Routt County4
- Chaffee County4
- Conejos County4
- Grand County4
- Jackson County4
- Park County4
- Cheyenne County4
- Delta County3
- Mesa County3
- Bent County3
- Fremont County3
- Kiowa County3
- Otero County3
- Prowers County3
- Boulder County3
- Clear Creek County3
- Douglas County3
- Gilpin County3
- Jefferson County3
- Larimer County3
- Summit County3
22 more counties
- Kit Carson County3
- Yuma County3
- Alamosa County2
- Baca County2
- Costilla County2
- Crowley County2
- Custer County2
- Huerfano County2
- Las Animas County2
- Pueblo County2
- Adams County2
- Arapahoe County2
- Broomfield County2
- Denver County2
- Elbert County2
- Lincoln County2
- Logan County2
- Morgan County2
- Washington County2
- Weld County2
- El Paso County2
- Teller County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.