Alert archive / Colorado / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Colorado, August 2017
128 severe thunderstorm warnings in August 2017. 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 August 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 128
- Busiest day
- August 10, 201729 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 |
|---|---|---|---|---|
| Aug 2, 2:50 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 25 min |
| Aug 2, 2:57 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 48 min |
| Aug 2, 3:19 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 26 min |
| Aug 2, 3:36 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 39 min |
| Aug 2, 3:45 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 45 min |
| Aug 2, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 47 min |
| Aug 2, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 45 min |
| Aug 2, 4:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Aug 2, 4:42 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 32 min |
| Aug 2, 4:42 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 48 min |
| Aug 2, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 29 min |
| Aug 2, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 30 min |
| Aug 2, 6:12 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 48 min |
| Aug 2, 6:51 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 39 min |
| Aug 2, 7:06 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 39 min |
| Aug 2, 7:44 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 29 min |
| Aug 4, 3:58 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 32 min |
| Aug 4, 4:39 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Pueblo | 16 min |
| Aug 4, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | Otero, Pueblo | 23 min |
| Aug 4, 7:03 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 27 min |
| Aug 4, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 30 min |
| Aug 4, 7:43 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Weld | 29 min |
| Aug 5, 5:20 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Rio Blanco | 25 min |
| Aug 5, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 31 min |
| Aug 5, 5:40 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 31 min |
| Aug 5, 9:28 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 32 min |
| Aug 8, 2:33 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 57 min |
| Aug 8, 3:44 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas, Otero, Pueblo | 31 min |
| Aug 8, 4:13 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas, Otero, Pueblo | 47 min |
| Aug 8, 4:27 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 33 min |
| Aug 8, 4:43 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 47 min |
| Aug 8, 4:55 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 50 min |
| Aug 8, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 29 min |
| Aug 8, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 38 min |
| Aug 8, 5:38 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 52 min |
| Aug 9, 6:06 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 24 min |
| Aug 9, 7:16 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 44 min |
| Aug 9, 7:59 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Pueblo | 31 min |
| Aug 9, 8:21 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 39 min |
| Aug 9, 9:44 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 46 min |
| Aug 10, 2:28 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 36 min |
| Aug 10, 2:58 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 32 min |
| Aug 10, 3:02 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 43 min |
| Aug 10, 3:07 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 23 min |
| Aug 10, 3:18 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 42 min |
| Aug 10, 3:27 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 44 min |
| Aug 10, 3:39 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 36 min |
| Aug 10, 3:54 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 51 min |
| Aug 10, 4:01 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 17 min |
| Aug 10, 4:13 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Morgan, Weld | 47 min |
| Aug 10, 4:30 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 30 min |
| Aug 10, 4:37 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 38 min |
| Aug 10, 4:43 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 min |
| Aug 10, 4:55 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 35 min |
| Aug 10, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 25 min |
| Aug 10, 5:07 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 25 min |
| Aug 10, 5:14 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 31 min |
| Aug 10, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 38 min |
| Aug 10, 5:24 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 16 min |
| Aug 10, 5:28 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 47 min |
| Aug 10, 5:29 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Pueblo | 46 min |
| Aug 10, 5:57 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 48 min |
| Aug 10, 5:59 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 46 min |
| Aug 10, 5:59 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas, Otero | 46 min |
| Aug 10, 6:10 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 50 min |
| Aug 10, 6:11 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 49 min |
| Aug 10, 6:14 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 46 min |
| Aug 10, 6:32 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 43 min |
| Aug 10, 6:39 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 51 min |
| Aug 10, 6:41 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 34 min |
| Aug 10, 6:55 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 36 min |
| Aug 10, 6:57 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 33 min |
| Aug 10, 7:09 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas, Otero | 36 min |
| Aug 10, 7:28 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas, Otero | 47 min |
| Aug 10, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 45 min |
| Aug 10, 8:02 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 43 min |
| Aug 11, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 16 min |
| Aug 12, 4:30 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 60 min |
| Aug 12, 4:33 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 42 min |
| Aug 12, 4:54 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 51 min |
| Aug 12, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 31 min |
| Aug 12, 5:35 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 40 min |
| Aug 12, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 52 min |
| Aug 12, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 29 min |
| Aug 12, 6:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 29 min |
| Aug 12, 7:34 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 25 min |
| Aug 13, 2:16 PM MDT | Severe Thunderstorm Warning | PUB | Conejos | 29 min |
| Aug 13, 2:21 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 24 min |
| Aug 13, 2:44 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 46 min |
| Aug 13, 3:12 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 22 min |
| Aug 13, 3:30 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 45 min |
| Aug 13, 4:03 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 42 min |
| Aug 13, 4:44 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 46 min |
| Aug 13, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 47 min |
| Aug 13, 6:23 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 52 min |
| Aug 13, 6:43 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 47 min |
| Aug 13, 7:14 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 35 min |
| Aug 13, 7:28 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 47 min |
| Aug 14, 4:18 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 42 min |
| Aug 14, 7:39 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 51 min |
| Aug 14, 8:06 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 39 min |
| Aug 14, 8:29 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 61 min |
| Aug 14, 8:30 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 31 min |
| Aug 14, 8:54 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 51 min |
| Aug 14, 9:08 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 52 min |
| Aug 14, 9:32 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 43 min |
| Aug 14, 10:33 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 26 min |
| Aug 15, 2:54 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas, Otero | 35 min |
| Aug 15, 4:01 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 44 min |
| Aug 15, 4:02 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas, Elbert | 43 min |
| Aug 15, 4:08 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 52 min |
| Aug 15, 4:44 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 46 min |
| Aug 15, 4:53 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 37 min |
| Aug 15, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 38 min |
| Aug 15, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 53 min |
| Aug 15, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 46 min |
| Aug 15, 6:29 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 46 min |
| Aug 15, 8:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 31 min |
| Aug 17, 5:47 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 28 min |
| Aug 17, 5:49 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 41 min |
| Aug 17, 6:28 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 19 min |
| Aug 19, 3:07 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 38 min |
| Aug 20, 5:32 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Pueblo, Teller | 27 min |
| Aug 24, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 47 min |
| Aug 24, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 45 min |
| Aug 24, 5:36 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 40 min |
| Aug 24, 6:42 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 34 min |
| Aug 25, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 43 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County18
- Las Animas County17
- Lincoln County17
- Prowers County13
- Otero County13
- Kit Carson County12
- Bent County12
- Pueblo County11
- Weld County8
- Baca County8
- El Paso County8
- Kiowa County7
- Morgan County6
- Elbert County6
- Logan County5
- Cheyenne County5
- Phillips County4
- Fremont County4
- Adams County4
- Arapahoe County4
- Crowley County4
- Yuma County3
- Huerfano County3
- Custer County2
- Boulder County2
- Larimer County2
- Denver County2
- Jefferson County2
- Teller County2
- Sedgwick County1
- Garfield County1
- Rio Blanco County1
- Mesa County1
- Conejos County1
- Douglas County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.