Alert archive / Colorado / Severe Thunderstorm Watches / 2021

Severe Thunderstorm Watches in Colorado, June 2021

5 severe thunderstorm watches in June 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 June 2021. Tap one for its archive.

Severe Thunderstorm Watches
5
Busiest day
June 25, 20212 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.

IssuedProductOfficeCountiesLasted
Jun 12, 2:46 PM MDTSevere Thunderstorm WatchSPCBaca, Las Animas7 hr
Jun 19, 1:44 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more7 hr
Jun 24, 3:56 PM MDTSevere Thunderstorm WatchSPCBent, Cheyenne, Kiowa, Kit Carson, Lincoln, Prowers and 2 more6 hr
Jun 25, 1:30 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Kiowa, Prowers10 hr
Jun 25, 2:07 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Lincoln, Washington, Yuma6 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

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.