Alert archive / Colorado / Tornado Watches
Tornado Watches in Colorado, 2011
6 tornado 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Tornado Watches
- 6
- Busiest month
- May2 tornado watches
- Busiest day
- May 11, 20111 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 |
|---|---|---|---|---|
| May 11, 3:52 PM MDT | Tornado Watch | SPC | Cheyenne, Kit Carson, Lincoln, Washington, Yuma | 6 hr |
| May 24, 12:27 PM MDT | Tornado Watch | SPC | Baca, Cheyenne, Kiowa, Kit Carson, Prowers | 6 hr |
| Jun 19, 2:04 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Kit Carson and 8 more | 7 hr |
| Jul 13, 3:41 PM MDT | Tornado Watch | SPC | Cheyenne, Elbert, Kit Carson, Lincoln | 6 hr |
| Aug 9, 1:51 PM MDT | Tornado Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more | 7 hr |
| Oct 7, 5:33 PM MDT | Tornado Watch | SPC | Baca, Kiowa, Prowers | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
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. Rebuilt daily.