Alert archive / Colorado / Winter Storm Warnings
Winter Storm Warnings in Colorado, 2009
63 winter storm warnings in 2009. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Winter Storm Warnings
- 63
- Busiest month
- April12 winter storm warnings
- Busiest day
- March 25, 20093 winter storm warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 5, 11:52 AM MST | Winter Storm Warning | GJT | Moffat, Routt | 54 hr |
| Jan 7, 6:43 AM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 10 hr |
| Jan 22, 1:00 PM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 5 days |
| Jan 24, 3:39 AM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 68 hr |
| Jan 25, 7:56 PM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 33 hr |
| Jan 27, 3:17 PM MST | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 37 hr |
| Jan 28, 3:30 AM MST | Winter Storm Warning | BOU | Grand, Jackson | 30 hr |
| Feb 6, 2:58 PM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 5 more | 63 hr |
| Feb 7, 10:49 AM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 35 hr |
| Feb 9, 10:35 AM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 9 more | 29 hr |
| Feb 9, 2:11 PM MST | Winter Storm Warning | PUB | Conejos, Costilla, Custer, Huerfano, Las Animas, Mineral and 2 more | 33 hr |
| Feb 12, 8:31 AM MST | Winter Storm Warning | GLD | Yuma | 19 hr |
| Feb 12, 9:44 AM MST | Winter Storm Warning | BOU | Logan, Phillips, Sedgwick, Washington | 25 hr |
| Feb 13, 3:15 PM MST | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 37 hr |
| Feb 13, 3:41 PM MST | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 23 hr |
| Feb 16, 4:34 AM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 64 hr |
| Feb 16, 4:52 AM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 39 hr |
| Feb 23, 9:38 AM MST | Winter Storm Warning | GJT | Gunnison, Montrose | 9 hr |
| Mar 5, 3:11 PM MST | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 57 hr |
| Mar 6, 11:50 AM MST | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 28 hr |
| Mar 9, 4:00 AM MDT | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 32 hr |
| Mar 21, 3:35 PM MDT | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more | 68 hr |
| Mar 22, 4:08 AM MDT | Winter Storm Warning | PUB | Chaffee, Lake, Saguache | 48 hr |
| Mar 22, 4:38 AM MDT | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 49 hr |
| Mar 25, 4:17 AM MDT | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more | 54 hr |
| Mar 25, 11:47 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 29 hr |
| Mar 25, 3:47 PM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 48 hr |
| Mar 31, 9:43 AM MDT | Winter Storm Warning | GJT | Eagle, Garfield, Gunnison, Hinsdale, Moffat, Montrose and 4 more | 35 hr |
| Mar 31, 9:57 AM MDT | Winter Storm Warning | BOU | Grand, Jackson | 38 hr |
| Apr 2, 3:45 PM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 56 hr |
| Apr 3, 2:10 AM MDT | Winter Storm Warning | GLD | Yuma | 38 hr |
| Apr 3, 3:59 AM MDT | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 38 hr |
| Apr 3, 4:22 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 32 hr |
| Apr 10, 10:20 AM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 5 more | 56 hr |
| Apr 10, 3:25 PM MDT | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande, Saguache | 39 hr |
| Apr 12, 8:06 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 13 hr |
| Apr 14, 12:31 PM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 4 days |
| Apr 14, 3:24 PM MDT | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande, Saguache | 37 hr |
| Apr 15, 3:24 PM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more | 69 hr |
| Apr 16, 4:41 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 61 hr |
| Apr 25, 3:10 PM MDT | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 39 hr |
| Sep 22, 1:06 PM MDT | Winter Storm Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 16 hr |
| Oct 20, 10:19 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 35 hr |
| Oct 21, 7:54 PM MDT | Winter Storm Warning | GLD | Kit Carson, Yuma | 10 hr |
| Oct 26, 3:52 PM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Oct 27, 3:26 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 69 hr |
| Oct 27, 3:37 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 65 hr |
| Oct 28, 12:38 PM MDT | Winter Storm Warning | GLD | Yuma | 14 hr |
| Nov 12, 4:03 AM MST | Winter Storm Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more | 3 days |
| Nov 12, 4:48 AM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Nov 14, 10:57 AM MST | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more | 26 hr |
| Nov 14, 4:16 PM MST | Winter Storm Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Dec 6, 5:13 AM MST | Winter Storm Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more | 60 hr |
| Dec 6, 2:20 PM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 49 hr |
| Dec 7, 3:30 AM MST | Winter Storm Warning | GLD | Cheyenne, Kit Carson | 41 hr |
| Dec 12, 4:05 AM MST | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 53 hr |
| Dec 12, 2:43 PM MST | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 39 hr |
| Dec 21, 1:54 PM MST | Winter Storm Warning | GLD | Cheyenne, Kit Carson, Yuma | 63 hr |
| Dec 21, 7:53 PM MST | Winter Storm Warning | BOU | Elbert, Lincoln, Logan, Phillips, Sedgwick, Washington | 43 hr |
| Dec 21, 8:45 PM MST | Winter Storm Warning | PUB | Conejos, Kiowa, Mineral, Rio Grande | 38 hr |
| Dec 21, 10:39 PM MST | Winter Storm Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 37 hr |
| Dec 23, 11:34 AM MST | Winter Storm Warning | GJT | Delta, Garfield, Mesa | 18 hr |
| Dec 30, 4:16 AM MST | Winter Storm Warning | GJT | Dolores, Montezuma, San Miguel | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Moffat County18
- Routt County18
- Garfield County18
- Eagle County16
- Gunnison County16
- Montrose County16
- Rio Blanco County16
- San Miguel County16
- Delta County15
- Conejos County15
- Mineral County15
- Rio Grande County15
- Hinsdale County14
- Dolores County13
- Mesa County13
- Montezuma County13
- Saguache County13
- Archuleta County12
- La Plata County12
- Ouray County12
- Pitkin County12
- Grand County11
- Jackson County11
- San Juan County11
- Chaffee County11
- Boulder County9
- Clear Creek County9
- Gilpin County9
- Jefferson County9
- Larimer County9
- Park County9
- Summit County9
- Lake County9
- Costilla County8
- Custer County8
- Huerfano County8
- Las Animas County7
- Pueblo County7
- Alamosa County7
- Fremont County7
24 more counties
- Yuma County6
- Douglas County6
- Elbert County6
- Logan County5
- Washington County5
- Adams County5
- Arapahoe County5
- Broomfield County5
- Denver County5
- Weld County5
- Phillips County4
- Sedgwick County4
- Lincoln County4
- Kit Carson County4
- Morgan County3
- El Paso County3
- Teller County3
- Cheyenne County3
- Kiowa County2
- Baca County1
- Bent County1
- Crowley County1
- Otero County1
- Prowers County1
The busiest days
Days with the most alerts issued, by UTC date.
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.