Alert archive / Colorado / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Colorado, 2020

21 severe thunderstorm watches in 2020. 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 2020. Tap one for its archive.

Severe Thunderstorm Watches
21
Busiest month
July8 severe thunderstorm watches
Busiest day
June 6, 20202 severe thunderstorm 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.

IssuedProductOfficeCountiesLasted
May 20, 2:22 PM MDTSevere Thunderstorm WatchSPCLogan, Morgan, Weld8 hr
May 23, 1:15 PM MDTSevere Thunderstorm WatchSPCLogan, Phillips, Sedgwick7 hr
May 24, 3:45 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Las Animas, Otero, Prowers and 1 more4 hr
Jun 6, 9:48 AM MDTSevere Thunderstorm WatchSPCArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more6 hr
Jun 6, 12:21 PM MDTSevere Thunderstorm WatchSPCAdams, Alamosa, Arapahoe, Boulder, Broomfield, Chaffee and 33 more8 hr
Jun 19, 2:43 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more5 hr
Jun 22, 3:00 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Las Animas, Otero, Prowers7 hr
Jun 26, 1:12 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 24 more10 hr
Jul 2, 1:58 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more6 hr
Jul 12, 2:07 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 10 more7 hr
Jul 13, 2:36 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 9 more9 hr
Jul 14, 2:26 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 6 more7 hr
Jul 15, 2:25 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 7 more8 hr
Jul 19, 4:06 PM MDTSevere Thunderstorm WatchSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma7 hr
Jul 21, 1:33 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 14 more7 hr
Jul 29, 2:09 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Phillips and 3 more7 hr
Aug 2, 1:58 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Crowley and 18 more7 hr
Aug 4, 1:46 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 22 more7 hr
Aug 5, 1:26 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 22 more8 hr
Aug 16, 1:45 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 6 more8 hr
Aug 29, 2:55 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Las Animas, Otero6 hr

By county

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

24 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 6, 20202severe thunderstorm watches
  2. May 20, 20201severe thunderstorm watches
  3. May 23, 20201severe thunderstorm watches
  4. May 24, 20201severe thunderstorm watches
  5. June 19, 20201severe thunderstorm watches
  6. June 22, 20201severe thunderstorm watches
  7. June 26, 20201severe thunderstorm watches
  8. July 2, 20201severe thunderstorm watches
  9. July 12, 20201severe thunderstorm watches
  10. July 13, 20201severe thunderstorm watches
  11. July 14, 20201severe thunderstorm watches
  12. July 15, 20201severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.