Alert archive / Colorado / 2009
Weather alerts in Colorado, April 2009
101 weather alerts in April 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 April 2009. Tap one for its archive.
- Alerts
- 101
- Warnings
- 41
- Watches
- 21
- Advisories
- 25
- Busiest day
- April 16, 200913 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 |
|---|---|---|---|---|
| Apr 1, 3:55 PM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 18 hr |
| Apr 2, 4:20 AM MDT | Winter Storm Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 32 hr |
| Apr 2, 4:40 AM MDT | Winter Storm Watch | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 11 hr |
| Apr 2, 4:40 AM MDT | Winter Storm Watch | PUB | Chaffee, Conejos, El Paso, Fremont, Lake, Mineral and 3 more | 35 hr |
| Apr 2, 2:09 PM MDT | Winter Storm Watch | GLD | Yuma | 12 hr |
| Apr 2, 3:45 PM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 56 hr |
| Apr 2, 3:45 PM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Mesa, Pitkin, Routt | 56 hr |
| Apr 3, 2:10 AM MDT | Winter Storm Warning | GLD | Yuma | 38 hr |
| Apr 3, 2:10 AM MDT | Winter Weather Advisory | GLD | Cheyenne, Kit Carson | 38 hr |
| Apr 3, 3:29 AM MDT | Wind Advisory | GJT | Dolores, Montezuma, San Miguel | 18 hr |
| Apr 3, 3:59 AM MDT | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 38 hr |
| Apr 3, 3:59 AM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 44 hr |
| Apr 3, 4:22 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 32 hr |
| Apr 3, 4:22 AM MDT | Winter Weather Advisory | BOU | Grand, Jackson, Park, Summit | 32 hr |
| Apr 3, 11:50 AM MDT | Blizzard Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 42 hr |
| Apr 3, 2:59 PM MDT | Wind Advisory | GLD | Cheyenne | 48 hr |
| Apr 4, 10:25 AM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 3 hr |
| Apr 4, 12:13 PM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 6 hr |
| Apr 4, 12:18 PM MDT | Blizzard Warning | GLD | Kit Carson, Yuma | 14 hr |
| Apr 4, 3:10 PM MDT | High Wind Warning | PUB | Bent, Crowley, El Paso, Kiowa, Otero, Prowers and 1 more | 6 hr |
| Apr 4, 4:09 PM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 18 hr |
| Apr 5, 2:15 AM MDT | Winter Weather Advisory | GLD | Kit Carson, Yuma | 7 hr |
| Apr 5, 2:20 AM MDT | Wind Advisory | GLD | Kit Carson | 13 hr |
| Apr 5, 3:12 PM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 18 hr |
| Apr 6, 3:22 PM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more | 13 hr |
| Apr 7, 4:40 AM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Conejos, Costilla, Crowley, Custer and 9 more | 11 hr |
| Apr 7, 3:19 PM MDT | Winter Storm Watch | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 8 hr |
| Apr 7, 3:25 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 30 hr |
| Apr 7, 11:27 PM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 49 hr |
| Apr 8, 12:39 AM MDT | Wind Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 20 hr |
| Apr 10, 4:02 AM MDT | Winter Storm Watch | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 6 hr |
| Apr 10, 5:00 AM MDT | Winter Storm Watch | PUB | Conejos, Mineral, Rio Grande, Saguache | 10 hr |
| Apr 10, 10:20 AM MDT | Winter Storm Watch | GJT | Delta, Gunnison, Montrose | 5 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 10, 3:36 PM MDT | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Pitkin and 2 more | 50 hr |
| Apr 11, 4:01 AM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 35 hr |
| Apr 12, 8:06 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 13 hr |
| Apr 14, 3:15 AM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson, Yuma | 41 hr |
| Apr 14, 4:26 AM MDT | Winter Storm Watch | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 8 hr |
| Apr 14, 4:29 AM MDT | Winter Storm Watch | PUB | Conejos, Mineral, Rio Grande, Saguache | 11 hr |
| Apr 14, 12:31 PM MDT | Winter Storm Watch | GJT | Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more | 16 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, 4:18 AM MDT | Winter Storm Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 31 hr |
| Apr 15, 4:43 AM MDT | Winter Storm Watch | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more | 30 hr |
| Apr 15, 8:37 AM MDT | Wind Advisory | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 8 more | 11 hr |
| Apr 15, 3:24 PM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more | 69 hr |
| Apr 15, 3:41 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 2 more | 94 min |
| Apr 15, 4:17 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 43 min |
| Apr 15, 4:35 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 23 min |
| Apr 15, 6:03 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 37 min |
| Apr 15, 6:06 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 16 min |
| Apr 15, 6:53 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 67 min |
| Apr 16, 4:41 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 61 hr |
| Apr 16, 9:26 AM MDT | Winter Weather Advisory | GJT | Routt | 3 hr |
| Apr 16, 10:37 AM MDT | Winter Weather Advisory | PUB | Alamosa, Conejos, Costilla, Custer, Fremont, Mineral and 4 more | 34 hr |
| Apr 16, 12:22 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 23 min |
| Apr 16, 12:44 PM MDT | Winter Storm Watch | GJT | Gunnison, Hinsdale, Montrose, Ouray, San Miguel | 3 hr |
| Apr 16, 1:10 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Baca, Bent, Cheyenne, Crowley, Elbert and 7 more | 95 min |
| Apr 16, 2:22 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 7 more | 5 hr |
| Apr 16, 5:01 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 7 more | 59 min |
| Apr 16, 5:05 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 27 min |
| Apr 16, 5:39 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 31 min |
| Apr 17, 1:17 AM MDT | Mesoscale Discussion | SPC | Boulder, Broomfield, Denver, Douglas, Gilpin, Jefferson and 1 more | 4 hr |
| Apr 17, 4:15 AM MDT | Winter Weather Advisory | BOU | Grand, Jackson | 12 hr |
| Apr 17, 8:51 AM MDT | Winter Weather Advisory | GJT | Delta, Gunnison, Mesa, Montrose, Ouray, San Miguel | 19 hr |
| Apr 17, 11:49 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Crowley, Kiowa, Prowers | 86 min |
| Apr 17, 2:24 PM MDT | Mesoscale Discussion | SPC | Prowers | 96 min |
| Apr 17, 2:44 PM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 2 hr |
| Apr 17, 3:50 PM MDT | Tornado Warning | PUB | El Paso | 18 min |
| Apr 17, 3:55 PM MDT | Winter Weather Advisory | BOU | Larimer, Park, Weld | 13 hr |
| Apr 17, 4:19 PM MDT | Mesoscale Discussion | SPC | Kiowa, Lincoln | 56 min |
| Apr 17, 6:41 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 64 min |
| Apr 17, 6:53 PM MDT | Mesoscale Discussion | SPC | Kiowa, Lincoln | 67 min |
| Apr 17, 7:02 PM MDT | Tornado Warning | PUB | Kiowa, Prowers | 58 min |
| Apr 17, 8:33 PM MDT | Mesoscale Discussion | SPC | Prowers | 27 min |
| Apr 19, 4:28 PM MDT | Areal Flood Advisory | BOU | Weld | 6 hr |
| Apr 23, 2:04 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 28 hr |
| Apr 24, 10:05 AM MDT | Red Flag Warning | GJT | Dolores, Garfield, La Plata, Mesa, Montezuma, San Miguel | 11 hr |
| Apr 24, 3:23 PM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 63 hr |
| Apr 25, 4:19 AM MDT | Wind Advisory | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more | 17 hr |
| Apr 25, 3:10 PM MDT | Winter Storm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 39 hr |
| Apr 26, 10:07 PM MDT | Winter Weather Advisory | BOU | Arapahoe, Douglas, Elbert | 11 hr |
| Apr 27, 2:49 PM MDT | Fire Weather Watch | GJT | Dolores, La Plata, Montezuma, San Miguel | 15 hr |
| Apr 28, 6:04 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 78 min |
| Apr 28, 1:51 PM MDT | Red Flag Warning | GJT | Garfield, Mesa | 6 hr |
| Apr 28, 4:45 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Crowley, Elbert, Kiowa and 4 more | 3 hr |
| Apr 29, 1:59 PM MDT | Mesoscale Discussion | SPC | Prowers | 91 min |
| Apr 29, 2:46 PM MDT | Fire Weather Watch | GJT | Garfield, Mesa, Moffat, Rio Blanco, Routt | 7 hr |
| Apr 29, 2:47 PM MDT | Tornado Watch | SPC | Baca, Kiowa, Prowers | 7 hr |
| Apr 29, 4:17 PM MDT | Mesoscale Discussion | SPC | Baca, Kiowa, Prowers | 88 min |
| Apr 29, 9:59 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco, Routt | 22 hr |
| Apr 29, 10:16 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 44 min |
| Apr 29, 10:56 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 64 min |
| Apr 29, 11:55 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 65 min |
| Apr 30, 12:04 AM MDT | Mesoscale Discussion | SPC | Kit Carson, Yuma | 86 min |
| Apr 30, 12:07 AM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Apr 30, 12:36 AM MDT | Severe Thunderstorm Watch | SPC | Yuma | 6 hr |
| Apr 30, 12:44 AM MDT | Severe Thunderstorm Warning | GLD | Yuma | 61 min |
| Apr 30, 12:59 AM MDT | Severe Thunderstorm Warning | GLD | Yuma | 61 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 14 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 12 |
| Winter Storm Watch | 14 |
| Winter Weather Advisory | 16 |
| Cold | |
| Freeze Warning | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 4 |
| 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.
- Garfield County20
- Yuma County20
- Mesa County16
- Gunnison County15
- Montrose County15
- San Miguel County15
- Saguache County15
- Prowers County15
- Delta County14
- Routt County14
- Kit Carson County14
- Kiowa County14
- Dolores County13
- Moffat County13
- Montezuma County13
- Rio Blanco County13
- Cheyenne County13
- La Plata County12
- Conejos County12
- Rio Grande County12
- Eagle County11
- El Paso County11
- Elbert County10
- Hinsdale County10
- Ouray County10
- Pitkin County10
- Fremont County10
- Pueblo County10
- Baca County10
- Archuleta County9
- Alamosa County9
- Costilla County9
- Custer County9
- Crowley County9
- Arapahoe County8
- Lincoln County8
- Weld County8
- San Juan County8
- Mineral County8
- Teller County8
24 more counties
- Huerfano County8
- Las Animas County8
- Bent County8
- Grand County7
- Jackson County7
- Park County7
- Washington County7
- Chaffee County7
- Otero County7
- Adams County6
- Boulder County6
- Douglas County6
- Gilpin County6
- Jefferson County6
- Larimer County6
- Morgan County6
- Summit County6
- Lake County6
- Broomfield County5
- Clear Creek County5
- Denver County5
- Sedgwick County4
- Phillips County3
- Logan 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. Rebuilt daily.