Alert archive / Colorado / Tornado Watches
Tornado Watches in Colorado, 2010
18 tornado watches in 2010. 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Tornado Watches
- 18
- Busiest month
- June9 tornado watches
- Busiest day
- June 20, 20102 tornado 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 |
|---|---|---|---|---|
| Apr 22, 12:30 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 18 more | 8 hr |
| Apr 22, 6:48 PM MDT | Tornado Watch | SPC | Cheyenne, Kit Carson, Yuma | 5 hr |
| May 10, 11:36 AM MDT | Tornado Watch | SPC | Kit Carson | 6 hr |
| May 18, 12:41 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more | 10 hr |
| May 21, 2:26 PM MDT | Tornado Watch | SPC | Larimer, Logan, Morgan, Weld | 8 hr |
| May 23, 3:53 PM MDT | Tornado Watch | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 1 more | 7 hr |
| May 24, 10:46 AM MDT | Tornado Watch | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Logan and 5 more | 10 hr |
| May 26, 1:49 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 7 hr |
| Jun 7, 3:31 PM MDT | Tornado Watch | SPC | Larimer, Logan, Phillips, Sedgwick, Weld | 7 hr |
| Jun 9, 2:39 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 13 more | 6 hr |
| Jun 10, 4:44 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Cheyenne, Denver, Elbert, Kit Carson and 8 more | 6 hr |
| Jun 11, 2:13 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Baca, Bent, Crowley, Denver and 18 more | 7 hr |
| Jun 11, 6:34 PM MDT | Tornado Watch | SPC | Cheyenne, Kit Carson, Yuma | 5 hr |
| Jun 16, 4:01 PM MDT | Tornado Watch | SPC | Logan, Phillips, Sedgwick, Weld | 7 hr |
| Jun 20, 1:30 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more | 7 hr |
| Jun 20, 2:07 PM MDT | Tornado Watch | SPC | Cheyenne, Kit Carson, Yuma | 8 hr |
| Jun 21, 2:53 PM MDT | Tornado Watch | SPC | Logan, Morgan, Washington, Weld | 5 hr |
| Jul 4, 12:39 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County12
- Weld County12
- Kit Carson County10
- Morgan County10
- Washington County10
- Cheyenne County9
- Yuma County9
- Adams County8
- Arapahoe County8
- Denver County8
- Elbert County8
- Lincoln County8
- Douglas County7
- Phillips County7
- Sedgwick County7
- Larimer County6
- Baca County5
- Bent County5
- Boulder County5
- Broomfield County5
- Jefferson County5
- Kiowa County5
- Prowers County5
- Crowley County3
- Otero County3
- El Paso County2
- Huerfano County2
- Las Animas County2
- Pueblo County2
- Fremont County1
- Teller County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.