Alert archive / Colorado / Severe Thunderstorm Watches / 2018
Severe Thunderstorm Watches in Colorado, May 2018
11 severe thunderstorm watches in May 2018. 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 2018. Tap one for its archive.
- Severe Thunderstorm Watches
- 11
- Busiest day
- May 11, 20182 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 10, 1:41 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 5 hr |
| May 10, 6:59 PM MDT | Severe Thunderstorm Watch | SPC | Yuma | 9 hr |
| May 11, 2:02 PM MDT | Severe Thunderstorm Watch | SPC | Larimer, Weld | 7 hr |
| May 17, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Prowers | 6 hr |
| May 17, 4:57 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 6 hr |
| May 18, 3:02 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, El Paso, Huerfano and 6 more | 7 hr |
| May 23, 1:31 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Weld | 7 hr |
| May 24, 1:47 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson | 7 hr |
| May 27, 1:13 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 14 more | 7 hr |
| May 28, 2:01 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Crowley and 13 more | 7 hr |
| May 30, 2:56 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Las Animas | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County5
- Phillips County4
- Sedgwick County4
- Weld County4
- Baca County4
- Larimer County3
- Prowers County3
- Cheyenne County3
- Crowley County3
- Kiowa County3
- Morgan County3
- Yuma County2
- Bent County2
- El Paso County2
- Las Animas County2
- Lincoln County2
- Otero County2
- Pueblo County2
- Kit Carson County2
- Adams County2
- Arapahoe County2
- Elbert County2
- Huerfano County1
- Washington County1
- Boulder County1
- Broomfield County1
- Clear Creek County1
- Denver County1
- Douglas County1
- Gilpin County1
- Jefferson County1
- Teller County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.