Alert archive / Colorado / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Colorado, 2011
32 severe thunderstorm watches in 2011. 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 32
- Busiest month
- June12 severe thunderstorm watches
- Busiest day
- June 11, 20112 severe thunderstorm watches
Over time
By month
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 |
|---|---|---|---|---|
| May 24, 1:42 AM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 4 hr |
| May 30, 3:45 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick, Yuma | 3 hr |
| Jun 1, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 7 hr |
| Jun 11, 12:09 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 7 hr |
| Jun 11, 3:35 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 7 more | 6 hr |
| Jun 13, 4:24 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Elbert, Kit Carson, Lincoln, Logan, Morgan and 4 more | 7 hr |
| Jun 16, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | Elbert, Larimer, Lincoln, Logan, Morgan, Phillips and 3 more | 9 hr |
| Jun 16, 5:34 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 7 hr |
| Jun 17, 12:58 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 11 more | 9 hr |
| Jun 17, 5:23 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson | 8 hr |
| Jun 18, 12:31 PM MDT | Severe Thunderstorm Watch | SPC | Bent, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 11 more | 7 hr |
| Jun 24, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | Larimer, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 7 hr |
| Jun 30, 9:06 AM MDT | Severe Thunderstorm Watch | SPC | Delta, Dolores, Eagle, Garfield, Gunnison, La Plata and 10 more | 7 hr |
| Jun 30, 12:18 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Chaffee, Clear Creek and 17 more | 9 hr |
| Jul 2, 3:20 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Cheyenne, Crowley, Denver, Douglas and 13 more | 9 hr |
| Jul 5, 3:47 PM MDT | Severe Thunderstorm Watch | SPC | Yuma | 8 hr |
| Jul 5, 6:01 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington | 4 hr |
| Jul 6, 2:56 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 14 more | 8 hr |
| Jul 8, 3:48 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more | 7 hr |
| Jul 9, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 16 more | 8 hr |
| Jul 10, 6:24 PM MDT | Severe Thunderstorm Watch | SPC | Yuma | 6 hr |
| Jul 13, 5:13 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 6 hr |
| Jul 14, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 13 more | 6 hr |
| Jul 21, 6:47 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 4 hr |
| Aug 8, 3:52 PM MDT | Severe Thunderstorm Watch | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| Aug 9, 8:51 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more | 7 hr |
| Aug 10, 4:03 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick, Washington | 6 hr |
| Aug 10, 6:50 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 3 hr |
| Aug 14, 2:29 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more | 7 hr |
| Aug 17, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more | 6 hr |
| Aug 17, 6:37 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Kiowa, Las Animas, Otero, Prowers | 3 hr |
| Aug 28, 2:47 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yuma County20
- Kit Carson County19
- Cheyenne County18
- Logan County18
- Phillips County18
- Sedgwick County18
- Washington County18
- Lincoln County11
- Morgan County11
- Elbert County10
- Weld County9
- Kiowa County8
- Adams County8
- Arapahoe County8
- Bent County7
- Crowley County7
- Otero County7
- Prowers County7
- El Paso County7
- Pueblo County7
- Denver County6
- Douglas County6
- Larimer County5
- Baca County3
- Las Animas County3
- Boulder County3
- Broomfield County3
- Jefferson County3
- Clear Creek County2
- Gilpin County2
- Huerfano County1
- Delta County1
- Dolores County1
- Eagle County1
- Garfield County1
- Gunnison County1
- La Plata County1
- Mesa County1
- Moffat County1
- Montezuma County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.