Tornado Warnings in Colorado
2,973 tornado warnings since 1986. 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 warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 2,973
- Busiest year
- 2023179 tornado warnings
- Average year
- 73over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County359
- Weld County320
- Adams County263
- Elbert County242
- Yuma County234
- Lincoln County228
- Kit Carson County219
- Arapahoe County214
- Morgan County214
- Logan County189
- Prowers County165
- Cheyenne County158
- Kiowa County158
- El Paso County143
- Bent County131
- Baca County115
- Las Animas County99
- Sedgwick County87
- Phillips County81
- Pueblo County73
- Douglas County70
- Otero County65
- Denver County62
- Crowley County59
- Larimer County34
- Jefferson County29
- Teller County24
- Huerfano County20
- Boulder County17
- Custer County10
- Fremont County8
- Alamosa County8
- Broomfield County8
- Costilla County7
- Park County7
- Montezuma County6
- Rio Blanco County3
- Saguache County3
- Dolores County3
- La Plata County2
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:21 PM MDT | Tornado Warning | PUB | El Paso | 24 min |
| Sep 19, 6:36 PM MDT | Tornado Warning | GLD | Cheyenne | 9 min |
| Aug 27, 3:58 PM MDT | Tornado Warning | PUB | Custer | 14 min |
| Aug 21, 9:32 PM MDT | Tornado Warning | BOU | Logan | 43 min |
| Jul 3, 11:48 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 27 min |
| Jul 3, 7:50 PM MDT | Tornado Warning | BOU | Washington | 25 min |
| Jun 30, 8:22 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 16 min |
| Jun 30, 7:49 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 35 min |
| Jun 26, 7:47 PM MDT | Tornado Warning | GLD | Cheyenne | 43 min |
| Jun 26, 7:32 PM MDT | Tornado Warning | PUB | Kiowa | 43 min |
| Jun 26, 7:14 PM MDT | Tornado Warning | PUB | Bent, Kiowa, Prowers | 46 min |
| Jun 24, 7:44 PM MDT | Tornado Warning | BOU | Weld | 31 min |
Nearby
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.