Alert archive / Colorado / Tornado Watches
Tornado Watches in Colorado, 2012
4 tornado watches in 2012. 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 2012. Tap one for its archive.
- Tornado Watches
- 4
- Busiest month
- April2 tornado watches
- Busiest day
- April 11, 20121 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 11, 2:11 PM MDT | Tornado Watch | SPC | Baca, Bent, Las Animas, Otero, Prowers | 7 hr |
| Apr 12, 12:47 PM MDT | Tornado Watch | SPC | Cheyenne, Kiowa, Kit Carson, Logan, Phillips, Prowers and 3 more | 7 hr |
| Jun 6, 3:01 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 4 more | 8 hr |
| Jun 7, 11:46 AM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 10 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County3
- Washington County3
- Prowers County2
- Adams County2
- Arapahoe County2
- Broomfield County2
- Denver County2
- Douglas County2
- Elbert County2
- Morgan County2
- Weld County2
- Baca County1
- Bent County1
- Las Animas County1
- Otero County1
- Cheyenne County1
- Kiowa County1
- Kit Carson County1
- Phillips County1
- Sedgwick County1
- Yuma County1
- Boulder County1
- Jefferson County1
- Larimer County1
- Lincoln County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.