Alert archive / Colorado / Tornado Watches
Tornado Watches in Colorado, 1999
10 tornado watches in 1999. 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 1999. Tap one for its archive.
- Tornado Watches
- 10
- Busiest month
- June5 tornado watches
- Busiest day
- May 14, 19991 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 14, 3:00 PM MDT | Tornado Watch | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| May 22, 2:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 14 more | 7 hr |
| May 30, 3:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 5 more | 6 hr |
| May 31, 3:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 17 more | 6 hr |
| Jun 2, 5:30 PM MDT | Tornado Watch | SPC | Baca, Bent, Kiowa, Prowers | 7 hr |
| Jun 26, 3:30 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more | 6 hr |
| Jun 26, 6:00 PM MDT | Tornado Watch | SPC | Kit Carson, Phillips, Sedgwick, Yuma | 6 hr |
| Jun 27, 7:15 PM MDT | Tornado Watch | SPC | Phillips, Sedgwick | 4 hr |
| Jun 29, 2:00 PM MDT | Tornado Watch | SPC | Baca | 6 hr |
| Sep 3, 4:15 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 5 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County6
- Logan County6
- Phillips County6
- Sedgwick County6
- Washington County6
- Yuma County5
- Adams County5
- Arapahoe County5
- Elbert County5
- Morgan County5
- Weld County5
- Broomfield County3
- Denver County3
- Douglas County3
- Baca County3
- Cheyenne County2
- El Paso County2
- Jefferson County2
- Lincoln County2
- Bent County2
- Kiowa County2
- Prowers County2
- Boulder County1
- Teller County1
- Crowley County1
- Larimer County1
- Las Animas County1
- Otero County1
- Pueblo County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.