Alert archive / Colorado / 2012
Weather alerts in Colorado, April 2012
144 weather alerts in April 2012, 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 2012. Tap one for its archive.
- Alerts
- 144
- Warnings
- 72
- Watches
- 23
- Advisories
- 25
- Busiest day
- April 27, 201230 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, 2:40 AM MDT | Wind Advisory | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, La Plata and 7 more | 18 hr |
| Apr 1, 3:46 AM MDT | Winter Storm Watch | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 25 hr |
| Apr 1, 2:18 PM MDT | High Wind Warning | BOU | Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more | 22 hr |
| Apr 1, 2:52 PM MDT | High Wind Warning | PUB | Alamosa, Conejos, Costilla, Crowley, El Paso, Otero and 3 more | 30 hr |
| Apr 1, 2:59 PM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Apr 2, 4:20 AM MDT | Winter Storm Watch | PUB | El Paso, Fremont, Teller | 11 hr |
| Apr 2, 4:20 AM MDT | Winter Storm Warning | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 43 hr |
| Apr 2, 4:38 AM MDT | Winter Storm Watch | BOU | Arapahoe, Douglas, Elbert | 11 hr |
| Apr 2, 3:31 PM MDT | Winter Weather Advisory | PUB | Chaffee, Conejos, Custer, El Paso, Fremont, Lake and 6 more | 23 hr |
| Apr 2, 3:32 PM MDT | Winter Weather Advisory | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 21 hr |
| Apr 2, 3:34 PM MDT | Winter Storm Warning | BOU | Arapahoe, Douglas, Elbert | 26 hr |
| Apr 2, 3:34 PM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jefferson and 2 more | 26 hr |
| Apr 3, 2:32 AM MDT | High Wind Warning | PUB | El Paso, Pueblo | 3 hr |
| Apr 3, 2:36 PM MDT | Fire Weather Watch | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 6 more | 22 hr |
| Apr 4, 12:14 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 32 hr |
| Apr 4, 2:39 PM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 13 hr |
| Apr 4, 3:29 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 28 hr |
| Apr 4, 10:15 PM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Apr 5, 2:46 AM MDT | Fire Weather Watch | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 12 hr |
| Apr 5, 3:48 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 40 hr |
| Apr 5, 3:53 AM MDT | Wind Advisory | GJT | Garfield, Moffat, Rio Blanco, Routt | 16 hr |
| Apr 5, 4:05 AM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 12 hr |
| Apr 5, 2:57 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 30 hr |
| Apr 5, 3:19 PM MDT | Wind Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 27 hr |
| Apr 5, 3:38 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 28 hr |
| Apr 6, 7:19 AM MDT | Dense Fog Advisory | PUB | Custer, El Paso, Fremont, Pueblo, Teller | 3 hr |
| Apr 6, 10:01 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 23 hr |
| Apr 6, 2:19 PM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson, Yuma | 5 hr |
| Apr 7, 1:49 AM MDT | Red Flag Warning | BOU | Logan, Phillips, Sedgwick, Washington, Weld | 13 hr |
| Apr 7, 6:21 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 14 hr |
| Apr 8, 2:53 PM MDT | Frost Advisory | GLD | Yuma | 17 hr |
| Apr 9, 2:04 PM MDT | Fire Weather Watch | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 26 hr |
| Apr 9, 2:44 PM MDT | Fire Weather Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 24 hr |
| Apr 10, 4:50 AM MDT | Dense Fog Advisory | PUB | El Paso | 4 hr |
| Apr 10, 2:49 PM MDT | Fire Weather Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 24 hr |
| Apr 10, 2:49 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 29 hr |
| Apr 10, 3:45 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, Gunnison, Hinsdale, La Plata and 8 more | 29 hr |
| Apr 10, 4:09 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Park, Summit | 28 hr |
| Apr 10, 10:35 PM MDT | Wind Advisory | GJT | Delta, Dolores, Garfield, Gunnison, La Plata, Mesa and 6 more | 25 hr |
| Apr 11, 1:05 PM MDT | Mesoscale Discussion | SPC | Alamosa, Conejos, Costilla, Custer, Fremont, Huerfano and 3 more | 115 min |
| Apr 11, 2:05 PM MDT | Mesoscale Discussion | SPC | Las Animas | 25 min |
| Apr 11, 2:11 PM MDT | Tornado Watch | SPC | Baca, Bent, Las Animas, Otero, Prowers | 7 hr |
| Apr 11, 2:31 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 37 min |
| Apr 11, 2:47 PM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 24 hr |
| Apr 11, 2:47 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more | 29 hr |
| Apr 11, 3:23 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero, Pueblo | 32 min |
| Apr 11, 3:50 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas, Otero | 40 min |
| Apr 11, 4:27 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas, Otero | 48 min |
| Apr 11, 4:44 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 27 min |
| Apr 11, 4:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 32 min |
| Apr 11, 5:01 PM MDT | Tornado Warning | PUB | Baca, Las Animas | 44 min |
| Apr 11, 5:06 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Denver | 24 min |
| Apr 11, 5:08 PM MDT | Mesoscale Discussion | SPC | Baca | 97 min |
| Apr 11, 5:13 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas | 47 min |
| Apr 11, 5:59 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 25 min |
| Apr 11, 6:34 PM MDT | Areal Flood Advisory | PUB | Baca, Bent, Las Animas | 116 min |
| Apr 11, 10:01 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Teller | 44 min |
| Apr 11, 10:50 PM MDT | Mesoscale Discussion | SPC | Crowley, Douglas, Elbert, El Paso, Jefferson, Pueblo and 1 more | 85 min |
| Apr 12, 12:24 PM MDT | Mesoscale Discussion | SPC | Phillips, Yuma | 2 hr |
| Apr 12, 12:47 PM MDT | Tornado Watch | SPC | Cheyenne, Kiowa, Kit Carson, Logan, Phillips, Prowers and 3 more | 7 hr |
| Apr 12, 12:49 PM MDT | Special Weather Statement | BOU | Logan | 41 min |
| Apr 12, 2:31 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 46 min |
| Apr 12, 2:32 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 29 hr |
| Apr 12, 3:00 PM MDT | Winter Storm Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 30 hr |
| Apr 12, 3:07 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 53 min |
| Apr 12, 3:29 PM MDT | Winter Storm Watch | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 11 hr |
| Apr 12, 4:02 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Phillips, Prowers, Sedgwick, Washington and 1 more | 88 min |
| Apr 12, 7:38 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne | 4 hr |
| Apr 12, 11:13 PM MDT | River Flood Warning | PUB | Bent | 5 hr |
| Apr 13, 2:58 AM MDT | Winter Storm Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Apr 13, 3:35 AM MDT | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 26 hr |
| Apr 13, 1:52 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 29 hr |
| Apr 13, 3:17 PM MDT | Winter Storm Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 54 hr |
| Apr 13, 8:39 PM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson | 23 hr |
| Apr 14, 5:35 AM MDT | Winter Storm Warning | BOU | Boulder, Grand, Jackson, Larimer | 24 hr |
| Apr 14, 5:35 AM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 36 hr |
| Apr 14, 2:44 PM MDT | High Wind Watch | GLD | Kit Carson, Yuma | 12 hr |
| Apr 15, 12:57 AM MDT | Winter Weather Advisory | PUB | El Paso, Fremont, Teller | 5 hr |
| Apr 15, 2:46 AM MDT | High Wind Warning | GLD | Kit Carson, Yuma | 15 hr |
| Apr 15, 2:46 AM MDT | Wind Advisory | GLD | Cheyenne | 15 hr |
| Apr 15, 10:10 AM MDT | High Wind Warning | BOU | Elbert, Lincoln, Logan, Morgan, Phillips, Sedgwick and 2 more | 4 hr |
| Apr 15, 1:43 PM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Apr 15, 2:51 PM MDT | Special Weather Statement | BOU | Adams | 24 min |
| Apr 16, 7:36 AM MDT | Dense Fog Advisory | GJT | Routt | 2 hr |
| Apr 18, 3:00 PM MDT | Winter Weather Advisory | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 24 hr |
| Apr 22, 5:30 PM MDT | Fire Weather Watch | GJT | Moffat, Rio Blanco | 21 hr |
| Apr 23, 2:57 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, San Miguel | 30 hr |
| Apr 26, 1:53 PM MDT | Mesoscale Discussion | SPC | Baca, Bent | 67 min |
| Apr 26, 2:24 PM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson, Yuma | 28 hr |
| Apr 26, 2:42 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 6 hr |
| Apr 26, 2:47 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Logan, Morgan, Washington, Weld | 58 min |
| Apr 26, 3:10 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 21 min |
| Apr 26, 3:13 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 29 min |
| Apr 26, 3:16 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 20 min |
| Apr 26, 3:31 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 44 min |
| Apr 26, 4:26 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 17 min |
| Apr 26, 4:34 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 41 min |
| Apr 26, 4:42 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 48 min |
| Apr 26, 5:21 PM MDT | Special Weather Statement | GJT | Delta, Montrose | 39 min |
| Apr 26, 5:28 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 32 min |
| Apr 26, 5:31 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Kiowa, Otero, Prowers | 119 min |
| Apr 26, 5:57 PM MDT | Severe Thunderstorm Warning | GJT | Moffat, Rio Blanco | 48 min |
| Apr 26, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 57 min |
| Apr 26, 6:04 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 41 min |
| Apr 26, 6:21 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Rio Blanco | 35 min |
| Apr 26, 6:36 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 24 min |
| Apr 26, 6:56 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 49 min |
| Apr 26, 6:57 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 63 min |
| Apr 26, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 30 min |
| Apr 26, 8:41 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 21 more | 2 hr |
| Apr 26, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 11 more | 7 hr |
| Apr 26, 10:46 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 22 min |
| Apr 27, 12:22 AM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas, Otero | 53 min |
| Apr 27, 12:29 AM MDT | Special Weather Statement | BOU | Lincoln | 61 min |
| Apr 27, 12:46 AM MDT | Tornado Warning | PUB | Baca | 26 min |
| Apr 27, 12:52 AM MDT | Special Weather Statement | GLD | Cheyenne | 23 min |
| Apr 27, 1:09 AM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 51 min |
| Apr 27, 1:23 AM MDT | Special Weather Statement | GLD | Cheyenne | 52 min |
| Apr 27, 1:24 AM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 7 more | 2 hr |
| Apr 27, 1:25 AM MDT | Tornado Warning | PUB | Bent, Prowers | 50 min |
| Apr 27, 1:43 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 47 min |
| Apr 27, 1:44 AM MDT | Tornado Warning | PUB | Bent, Kiowa, Prowers | 19 min |
| Apr 27, 1:55 AM MDT | Tornado Warning | PUB | Bent, Prowers | 50 min |
| Apr 27, 2:18 AM MDT | Tornado Warning | GLD | Cheyenne, Kit Carson | 27 min |
| Apr 27, 2:21 AM MDT | Tornado Warning | PUB | Kiowa, Prowers | 39 min |
| Apr 27, 2:32 AM MDT | Areal Flood Advisory | BOU | Lincoln | 88 min |
| Apr 27, 2:43 AM MDT | Tornado Warning | PUB | Kiowa, Prowers | 32 min |
| Apr 27, 2:56 AM MDT | Tornado Warning | PUB | Kiowa | 13 min |
| Apr 27, 2:59 AM MDT | Tornado Warning | GLD | Cheyenne | 31 min |
| Apr 27, 3:43 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Yuma | 32 min |
| Apr 27, 8:28 AM MDT | High Wind Warning | GLD | Cheyenne, Kit Carson, Yuma | 6 hr |
| Apr 27, 2:00 PM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 15 hr |
| Apr 29, 1:22 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Prowers | 113 min |
| Apr 29, 2:27 PM MDT | Special Weather Statement | ABQ | Las Animas | 33 min |
| Apr 29, 6:58 PM MDT | Special Weather Statement | BOU | Lincoln | 32 min |
| Apr 29, 7:23 PM MDT | Special Weather Statement | GLD | Kit Carson | 37 min |
| Apr 29, 7:30 PM MDT | Special Weather Statement | BOU | Lincoln | 30 min |
| Apr 29, 7:33 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 57 min |
| Apr 29, 9:31 PM MDT | Special Weather Statement | GLD | Yuma | 29 min |
| Apr 29, 9:43 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 42 min |
| Apr 30, 2:30 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 19 hr |
| Apr 30, 6:30 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson | 3 hr |
| Apr 30, 2:36 PM MDT | Severe Thunderstorm Watch | SPC | Baca | 7 hr |
| Apr 30, 3:09 PM MDT | Fire Weather Watch | GLD | Cheyenne, Kit Carson | 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 | |
| Severe Thunderstorm Warning | 33 |
| Tornado Warning | 11 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 11 |
| Flooding | |
| River Flood Warning | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 6 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 1 |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 14 |
| Fire Weather Watch | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baca County27
- Cheyenne County25
- Kit Carson County23
- Prowers County23
- Las Animas County21
- Bent County21
- Yuma County19
- Garfield County17
- Montrose County17
- Rio Blanco County17
- Moffat County16
- Delta County15
- Mesa County15
- Saguache County14
- Gunnison County13
- Routt County13
- Alamosa County13
- Costilla County13
- Pueblo County13
- Conejos County13
- Kiowa County13
- San Miguel County12
- Fremont County12
- Logan County12
- El Paso County12
- Rio Grande County12
- Dolores County11
- La Plata County11
- Montezuma County11
- Otero County11
- Teller County10
- Chaffee County9
- Adams County9
- Arapahoe County9
- Lincoln County9
- Morgan County9
- Phillips County9
- Washington County9
- Ouray County9
- Custer County8
24 more counties
- Sedgwick County8
- Weld County8
- Douglas County8
- Elbert County7
- Crowley County7
- Lake County7
- Hinsdale County7
- Grand County7
- Huerfano County6
- Larimer County6
- Boulder County6
- Jefferson County6
- Summit County6
- Jackson County6
- Denver County6
- Park County5
- Archuleta County4
- Clear Creek County4
- Gilpin County4
- Eagle County4
- Pitkin County4
- Mineral County3
- San Juan County3
- Broomfield County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.