Alert archive / Colorado / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Colorado, July 2021
133 severe thunderstorm warnings in July 2021. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 133
- Busiest day
- July 5, 202118 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jul 1, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 34 min |
| Jul 1, 2:33 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 18 min |
| Jul 1, 2:34 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 41 min |
| Jul 1, 2:42 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 33 min |
| Jul 1, 3:47 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 28 min |
| Jul 1, 4:09 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 36 min |
| Jul 1, 4:30 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 30 min |
| Jul 1, 5:06 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero, Pueblo | 27 min |
| Jul 1, 5:35 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Las Animas, Otero | 40 min |
| Jul 1, 5:38 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 38 min |
| Jul 1, 6:56 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 34 min |
| Jul 2, 5:06 PM MDT | Severe Thunderstorm Warning | PUB | Costilla | 18 min |
| Jul 2, 5:30 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano | 30 min |
| Jul 2, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 23 min |
| Jul 2, 6:42 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 33 min |
| Jul 3, 2:44 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Teller | 46 min |
| Jul 3, 3:23 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 37 min |
| Jul 3, 3:25 PM MDT | Severe Thunderstorm Warning | PUB | Fremont | 50 min |
| Jul 3, 3:57 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 33 min |
| Jul 3, 4:53 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jul 3, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 31 min |
| Jul 3, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 25 min |
| Jul 3, 5:20 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 25 min |
| Jul 3, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 31 min |
| Jul 3, 5:39 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 36 min |
| Jul 3, 5:44 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 31 min |
| Jul 3, 5:56 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 34 min |
| Jul 3, 6:13 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 32 min |
| Jul 3, 9:07 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 38 min |
| Jul 3, 10:46 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 29 min |
| Jul 4, 12:37 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 38 min |
| Jul 4, 2:26 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| Jul 4, 4:59 PM MDT | Severe Thunderstorm Warning | PUB | Crowley | 46 min |
| Jul 4, 5:11 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 36 min |
| Jul 4, 5:26 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 22 min |
| Jul 4, 5:27 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 33 min |
| Jul 4, 5:29 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 31 min |
| Jul 4, 5:31 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 29 min |
| Jul 4, 5:57 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 48 min |
| Jul 4, 6:26 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 42 min |
| Jul 4, 6:28 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 41 min |
| Jul 4, 7:25 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 38 min |
| Jul 4, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 17 min |
| Jul 4, 7:56 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 21 min |
| Jul 4, 8:00 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 30 min |
| Jul 4, 8:05 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 55 min |
| Jul 4, 8:08 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 37 min |
| Jul 4, 8:09 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 51 min |
| Jul 4, 8:20 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 25 min |
| Jul 4, 8:25 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 35 min |
| Jul 4, 8:42 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 33 min |
| Jul 4, 8:44 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 31 min |
| Jul 4, 8:45 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 45 min |
| Jul 4, 9:10 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 35 min |
| Jul 4, 9:22 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 38 min |
| Jul 5, 2:51 PM MDT | Severe Thunderstorm Warning | PUB | Teller | 24 min |
| Jul 5, 4:34 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Saguache | 26 min |
| Jul 6, 1:43 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 32 min |
| Jul 6, 1:49 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 26 min |
| Jul 6, 2:09 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas | 36 min |
| Jul 6, 2:11 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 34 min |
| Jul 6, 2:32 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 14 min |
| Jul 6, 2:42 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 33 min |
| Jul 6, 3:50 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Saguache | 25 min |
| Jul 6, 4:52 PM MDT | Severe Thunderstorm Warning | PUB | Costilla, Las Animas | 12 min |
| Jul 6, 5:27 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 17 min |
| Jul 8, 7:53 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 36 min |
| Jul 9, 2:34 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| Jul 9, 3:25 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 38 min |
| Jul 9, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 47 min |
| Jul 9, 4:44 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 36 min |
| Jul 9, 9:01 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 44 min |
| Jul 9, 9:13 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 32 min |
| Jul 9, 9:40 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 35 min |
| Jul 9, 10:07 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 23 min |
| Jul 13, 1:08 PM MDT | Severe Thunderstorm Warning | PUB | Teller | 21 min |
| Jul 13, 3:11 PM MDT | Severe Thunderstorm Warning | GJT | Delta, Mesa | 34 min |
| Jul 13, 3:52 PM MDT | Severe Thunderstorm Warning | GJT | Delta, Mesa | 23 min |
| Jul 13, 4:43 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano | 32 min |
| Jul 13, 6:57 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 48 min |
| Jul 14, 2:26 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 34 min |
| Jul 15, 1:37 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 38 min |
| Jul 15, 2:59 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 46 min |
| Jul 15, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 52 min |
| Jul 15, 3:40 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 35 min |
| Jul 15, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 79 min |
| Jul 15, 5:01 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 44 min |
| Jul 15, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 29 min |
| Jul 15, 6:31 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 29 min |
| Jul 15, 6:58 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 32 min |
| Jul 15, 7:02 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 28 min |
| Jul 15, 7:32 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 12 min |
| Jul 16, 5:34 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 56 min |
| Jul 16, 5:42 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 14 min |
| Jul 16, 6:14 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 31 min |
| Jul 16, 6:19 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 33 min |
| Jul 16, 9:20 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 40 min |
| Jul 17, 3:49 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Teller | 26 min |
| Jul 17, 5:37 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 23 min |
| Jul 17, 5:56 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 34 min |
| Jul 17, 7:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 34 min |
| Jul 17, 8:10 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 50 min |
| Jul 18, 12:17 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 58 min |
| Jul 18, 12:53 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 39 min |
| Jul 18, 1:14 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 29 min |
| Jul 18, 1:39 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 45 min |
| Jul 18, 1:51 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 69 min |
| Jul 18, 2:15 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 75 min |
| Jul 18, 3:23 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 46 min |
| Jul 18, 4:24 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 60 min |
| Jul 21, 3:44 PM MDT | Severe Thunderstorm Warning | PUB | Custer | 33 min |
| Jul 22, 3:55 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 35 min |
| Jul 22, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 19 min |
| Jul 25, 2:58 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 62 min |
| Jul 25, 3:37 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 68 min |
| Jul 25, 5:48 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 55 min |
| Jul 28, 5:25 PM MDT | Severe Thunderstorm Warning | GJT | Mesa, Montrose | 35 min |
| Jul 28, 5:31 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 29 min |
| Jul 28, 6:00 PM MDT | Severe Thunderstorm Warning | GJT | Delta, Mesa | 30 min |
| Jul 28, 6:30 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 60 min |
| Jul 29, 3:07 PM MDT | Severe Thunderstorm Warning | GJT | Montezuma | 23 min |
| Jul 29, 3:18 PM MDT | Severe Thunderstorm Warning | GJT | Montrose, San Miguel | 27 min |
| Jul 29, 3:28 PM MDT | Severe Thunderstorm Warning | GJT | Montezuma | 32 min |
| Jul 29, 3:52 PM MDT | Severe Thunderstorm Warning | GJT | Montezuma | 23 min |
| Jul 29, 5:21 PM MDT | Severe Thunderstorm Warning | BOU | Jackson | 24 min |
| Jul 29, 7:50 PM MDT | Severe Thunderstorm Warning | GJT | Moffat, Rio Blanco | 25 min |
| Jul 29, 8:25 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Rio Blanco | 35 min |
| Jul 30, 3:26 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 49 min |
| Jul 30, 3:59 PM MDT | Severe Thunderstorm Warning | GJT | Pitkin | 46 min |
| Jul 30, 4:11 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 49 min |
| Jul 30, 7:37 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 23 min |
| Jul 30, 8:00 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 30 min |
| Jul 31, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 35 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prowers County19
- Kiowa County17
- Baca County16
- Bent County14
- Las Animas County12
- Weld County9
- Mesa County9
- Pueblo County8
- Crowley County7
- Otero County7
- Kit Carson County7
- El Paso County6
- Huerfano County5
- Logan County5
- Cheyenne County5
- Fremont County4
- Teller County4
- Washington County4
- Saguache County4
- Lincoln County4
- Morgan County3
- Larimer County3
- Custer County3
- Delta County3
- Garfield County3
- Montezuma County3
- Costilla County2
- Adams County2
- Montrose County2
- Rio Blanco County2
- Arapahoe County1
- Elbert County1
- San Miguel County1
- Jackson County1
- Moffat County1
- Pitkin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.