Alert archive / Colorado / 2020
Weather alerts in Colorado, April 2020
62 weather alerts in April 2020, 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 2020. Tap one for its archive.
- Alerts
- 62
- Warnings
- 22
- Watches
- 17
- Advisories
- 14
- Busiest day
- April 14, 20208 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, 2:07 PM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 29 hr |
| Apr 1, 2:22 PM MDT | Winter Weather Advisory | BOU | Boulder, Grand, Jackson, Larimer | 30 hr |
| Apr 1, 3:21 PM MDT | Red Flag Warning | PUB | Fremont, Huerfano, Las Animas, Pueblo | 22 hr |
| Apr 2, 2:55 PM MDT | Winter Weather Advisory | PUB | El Paso, Fremont, Teller | 15 hr |
| Apr 3, 2:45 PM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 8 more | 24 hr |
| Apr 4, 3:03 PM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Conejos, Costilla, Fremont, Huerfano and 4 more | 24 hr |
| Apr 4, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 6 more | 29 hr |
| Apr 5, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, El Paso and 8 more | 29 hr |
| Apr 6, 3:49 AM MDT | Dense Fog Advisory | GLD | Yuma | 6 hr |
| Apr 6, 3:50 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Huerfano, Rio Grande, Saguache | 11 hr |
| Apr 6, 3:55 AM MDT | Dense Fog Advisory | BOU | Logan, Phillips, Sedgwick | 4 hr |
| Apr 6, 8:10 AM MDT | Dense Fog Advisory | BOU | Phillips, Sedgwick | 50 min |
| Apr 6, 3:03 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Huerfano, Las Animas and 2 more | 29 hr |
| Apr 7, 4:45 AM MDT | Red Flag Warning | BOU | Larimer, Logan, Phillips, Sedgwick, Weld | 14 hr |
| Apr 10, 2:51 PM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 63 hr |
| Apr 11, 3:01 AM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 33 hr |
| Apr 11, 1:51 PM MDT | Freeze Watch | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 13 hr |
| Apr 11, 1:51 PM MDT | Freeze Watch | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 13 hr |
| Apr 12, 2:53 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 31 hr |
| Apr 12, 2:53 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 55 hr |
| Apr 13, 9:37 AM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 17 hr |
| Apr 13, 10:18 AM MDT | Winter Weather Advisory | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 3 more | 15 hr |
| Apr 14, 4:32 AM MDT | Freeze Watch | GJT | Garfield, Mesa | 9 hr |
| Apr 14, 4:32 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 29 hr |
| Apr 14, 2:39 PM MDT | Winter Storm Watch | PUB | Chaffee, Lake, Saguache | 23 hr |
| Apr 14, 2:43 PM MDT | Winter Storm Watch | GJT | Delta, Eagle, Garfield, Gunnison, Montrose, Pitkin | 12 hr |
| Apr 14, 2:43 PM MDT | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 2 more | 57 hr |
| Apr 14, 2:43 PM MDT | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 57 hr |
| Apr 14, 3:09 PM MDT | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jefferson, Larimer and 5 more | 19 hr |
| Apr 14, 3:09 PM MDT | Winter Storm Warning | BOU | Boulder, Broomfield, Grand, Jackson, Jefferson, Larimer and 1 more | 51 hr |
| Apr 15, 10:32 AM MDT | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 34 hr |
| Apr 15, 1:39 PM MDT | Freeze Watch | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 14 hr |
| Apr 15, 1:59 PM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more | 37 hr |
| Apr 16, 3:45 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 30 hr |
| Apr 19, 5:02 PM MDT | Special Weather Statement | PUB | Baca | 43 min |
| Apr 19, 5:46 PM MDT | Special Weather Statement | PUB | Baca | 29 min |
| Apr 21, 1:17 PM MDT | Mesoscale Discussion | SPC | Las Animas | 58 min |
| Apr 22, 1:38 PM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 32 hr |
| Apr 22, 2:45 PM MDT | Special Weather Statement | PUB | Bent | 30 min |
| Apr 22, 3:23 PM MDT | Special Weather Statement | PUB | Baca | 52 min |
| Apr 22, 4:53 PM MDT | Special Weather Statement | PUB | Prowers | 37 min |
| Apr 25, 2:11 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 30 hr |
| Apr 25, 2:35 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 28 hr |
| Apr 26, 2:10 AM MDT | Fire Weather Watch | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 25 hr |
| Apr 26, 3:45 PM MDT | Special Weather Statement | GJT | Delta, Eagle, Garfield, Mesa, Pitkin | 45 min |
| Apr 27, 3:13 AM MDT | Fire Weather Watch | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 11 hr |
| Apr 27, 3:45 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 11 hr |
| Apr 27, 1:58 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Apr 27, 2:15 PM MDT | Red Flag Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 30 hr |
| Apr 27, 2:44 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, El Paso and 7 more | 29 hr |
| Apr 27, 7:09 PM MDT | Special Weather Statement | GJT | Routt | 36 min |
| Apr 27, 7:47 PM MDT | Special Weather Statement | GJT | Routt | 43 min |
| Apr 28, 3:27 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more | 17 hr |
| Apr 28, 3:09 PM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 24 hr |
| Apr 29, 2:12 AM MDT | Fire Weather Watch | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 25 hr |
| Apr 29, 3:14 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Apr 30, 2:31 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 15 hr |
| Apr 30, 2:54 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Hinsdale, La Plata, Montezuma and 4 more | 17 hr |
| Apr 30, 3:58 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 11 hr |
| Apr 30, 2:00 PM MDT | Red Flag Warning | GJT | Delta, Montrose, Ouray, San Miguel | 31 hr |
| Apr 30, 2:53 PM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 24 hr |
| Apr 30, 2:53 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 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 |
| Special Weather Statement | 8 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 11 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 4 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saguache County17
- Alamosa County16
- Costilla County16
- Garfield County15
- Conejos County14
- Rio Grande County14
- Delta County14
- Montrose County13
- Huerfano County10
- Gunnison County10
- Mesa County10
- Fremont County9
- Las Animas County9
- Pueblo County9
- Larimer County8
- San Miguel County8
- Eagle County7
- Routt County7
- Boulder County7
- Baca County7
- Archuleta County7
- Dolores County7
- Hinsdale County7
- La Plata County7
- Montezuma County7
- San Juan County7
- El Paso County6
- Sedgwick County6
- Jefferson County6
- Pitkin County6
- Moffat County5
- Grand County5
- Bent County5
- Logan County5
- Weld County5
- Park County5
- Rio Blanco County4
- Otero County4
- Phillips County4
- Clear Creek County4
23 more counties
- Douglas County4
- Gilpin County4
- Ouray County4
- Jackson County3
- Teller County3
- Crowley County3
- Prowers County3
- Yuma County3
- Summit County3
- Chaffee County3
- Custer County3
- Arapahoe County3
- Elbert County3
- Broomfield County3
- Lake County2
- Adams County2
- Denver County2
- Cheyenne County2
- Kit Carson County2
- Kiowa County1
- Lincoln County1
- Morgan County1
- Washington County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.