Alert archive / Colorado / Severe Thunderstorm Warnings / 2015
Severe Thunderstorm Warnings in Colorado, August 2015
89 severe thunderstorm warnings in August 2015. 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 2015. Tap one for its archive.
- Severe Thunderstorm Warnings
- 89
- Busiest day
- August 17, 201528 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 1, 6:46 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 29 min |
| Aug 1, 7:23 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 22 min |
| Aug 1, 7:42 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 33 min |
| Aug 3, 11:03 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 57 min |
| Aug 4, 2:00 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 45 min |
| Aug 5, 5:42 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 48 min |
| Aug 5, 6:21 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 24 min |
| Aug 7, 2:54 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 51 min |
| Aug 7, 3:16 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 29 min |
| Aug 7, 3:42 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 33 min |
| Aug 7, 3:46 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas, Otero, Prowers | 39 min |
| Aug 7, 3:51 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 35 min |
| Aug 7, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 25 min |
| Aug 7, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 32 min |
| Aug 7, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 51 min |
| Aug 7, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan | 42 min |
| Aug 7, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 31 min |
| Aug 7, 5:55 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 50 min |
| Aug 7, 6:14 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 31 min |
| Aug 7, 6:33 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 42 min |
| Aug 7, 6:49 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 56 min |
| Aug 7, 7:22 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 38 min |
| Aug 7, 7:25 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 50 min |
| Aug 7, 7:33 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 57 min |
| Aug 8, 3:43 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 47 min |
| Aug 8, 4:10 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 52 min |
| Aug 8, 4:51 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 39 min |
| Aug 8, 5:16 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 44 min |
| Aug 8, 7:04 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 41 min |
| Aug 8, 7:26 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 49 min |
| Aug 8, 7:30 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 60 min |
| Aug 8, 8:52 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 29 min |
| Aug 10, 12:11 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| Aug 10, 12:56 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| Aug 10, 3:14 PM MDT | Severe Thunderstorm Warning | BOU | Park | 31 min |
| Aug 11, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 10 min |
| Aug 13, 3:22 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 38 min |
| Aug 13, 3:50 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 24 min |
| Aug 13, 5:39 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 51 min |
| Aug 13, 8:13 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 39 min |
| Aug 15, 6:47 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 28 min |
| Aug 15, 7:22 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 24 min |
| Aug 15, 8:51 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 24 min |
| Aug 15, 9:09 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 36 min |
| Aug 15, 9:40 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 35 min |
| Aug 15, 10:14 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| Aug 16, 2:40 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 50 min |
| Aug 16, 3:21 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 24 min |
| Aug 16, 3:54 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 13 min |
| Aug 16, 4:32 PM MDT | Severe Thunderstorm Warning | PUB | Teller | 28 min |
| Aug 16, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 30 min |
| Aug 16, 7:59 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 46 min |
| Aug 16, 8:05 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 40 min |
| Aug 16, 8:32 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 30 min |
| Aug 16, 8:44 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 31 min |
| Aug 16, 8:46 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 44 min |
| Aug 16, 9:12 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 32 min |
| Aug 17, 2:32 PM MDT | Severe Thunderstorm Warning | BOU | Clear Creek, Jefferson | 16 min |
| Aug 17, 2:48 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 27 min |
| Aug 17, 3:07 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Jefferson | 38 min |
| Aug 17, 3:09 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 36 min |
| Aug 17, 3:34 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 26 min |
| Aug 17, 3:43 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 47 min |
| Aug 17, 3:47 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert, Lincoln, Washington | 43 min |
| Aug 17, 3:51 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 39 min |
| Aug 17, 3:55 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 50 min |
| Aug 17, 3:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Elbert | 49 min |
| Aug 17, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 40 min |
| Aug 17, 4:09 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 15 min |
| Aug 17, 4:13 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 25 min |
| Aug 17, 4:21 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 24 min |
| Aug 17, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 1 more | 47 min |
| Aug 17, 4:32 PM MDT | Severe Thunderstorm Warning | GJT | Archuleta | 19 min |
| Aug 17, 4:40 PM MDT | Severe Thunderstorm Warning | GJT | Eagle, Pitkin | 35 min |
| Aug 17, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln, Morgan, Washington | 38 min |
| Aug 17, 5:12 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 63 min |
| Aug 17, 5:42 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 48 min |
| Aug 17, 5:57 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Otero | 48 min |
| Aug 17, 6:03 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 57 min |
| Aug 17, 6:18 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 42 min |
| Aug 17, 6:44 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 46 min |
| Aug 17, 6:58 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 23 min |
| Aug 17, 7:26 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 14 min |
| Aug 17, 7:52 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 68 min |
| Aug 17, 8:59 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 28 min |
| Aug 21, 2:57 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 33 min |
| Aug 21, 4:34 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 26 min |
| Aug 21, 5:01 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 44 min |
| Aug 21, 5:47 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 58 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Elbert County13
- Washington County11
- Cheyenne County10
- Morgan County9
- Kit Carson County9
- Bent County8
- Prowers County8
- Lincoln County8
- Kiowa County7
- Baca County7
- El Paso County7
- Logan County6
- Arapahoe County6
- Otero County5
- Phillips County4
- Douglas County4
- Crowley County3
- Yuma County3
- Sedgwick County3
- Weld County3
- Adams County3
- Boulder County3
- Las Animas County2
- Teller County2
- Jefferson County2
- Park County1
- Larimer County1
- Clear Creek County1
- Archuleta County1
- Eagle County1
- Pitkin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.