Alert archive / Colorado / Severe Thunderstorm Watches / 2021
Severe Thunderstorm Watches in Colorado, May 2021
8 severe thunderstorm watches in May 2021. 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 May 2021. Tap one for its archive.
- Severe Thunderstorm Watches
- 8
- Busiest day
- May 2, 20211 severe thunderstorm watches
Over time
By day
Days in UTC, the clock the archive keeps.
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 2, 11:45 AM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Douglas and 10 more | 7 hr |
| May 14, 3:46 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 5 more | 6 hr |
| May 15, 4:06 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Douglas, Elbert and 9 more | 6 hr |
| May 16, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 7 hr |
| May 17, 1:39 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, Huerfano, Las Animas, Otero and 2 more | 8 hr |
| May 21, 4:17 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 3 more | 6 hr |
| May 23, 4:07 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Las Animas, Otero, Prowers | 7 hr |
| May 30, 11:41 AM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Costilla, Crowley, Custer, Huerfano and 3 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bent County7
- Otero County7
- Crowley County6
- Prowers County6
- Baca County6
- Las Animas County5
- Cheyenne County4
- Kiowa County4
- Kit Carson County4
- Huerfano County4
- Pueblo County4
- Lincoln County3
- Washington County3
- Yuma County3
- Douglas County2
- Elbert County2
- El Paso County2
- Morgan County2
- Adams County1
- Arapahoe County1
- Logan County1
- Phillips County1
- Sedgwick County1
- Weld County1
- Costilla County1
- Custer County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.