Alert archive / Colorado / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Colorado, 2017

21 severe thunderstorm watches in 2017. 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 2017. Tap one for its archive.

Severe Thunderstorm Watches
21
Busiest month
May8 severe thunderstorm watches
Busiest day
May 9, 20172 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 8, 12:35 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 22 more7 hr
May 9, 11:15 AM MDTSevere Thunderstorm WatchSPCBent, Costilla, Crowley, Huerfano, Las Animas, Otero and 1 more9 hr
May 9, 5:51 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 1 more7 hr
May 15, 2:44 PM MDTSevere Thunderstorm WatchSPCBaca, Prowers7 hr
May 16, 6:03 PM MDTSevere Thunderstorm WatchSPCYuma5 hr
May 25, 1:46 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Phillips, Washington, Yuma7 hr
May 26, 1:00 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 22 more9 hr
May 27, 4:27 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Las Animas, Otero, Prowers6 hr
Jun 25, 2:59 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Las Animas, Otero, Prowers9 hr
Jun 26, 3:09 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kiowa, Kit Carson, Yuma6 hr
Jun 29, 1:50 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 5 more7 hr
Jul 2, 4:58 PM MDTSevere Thunderstorm WatchSPCPhillips, Sedgwick, Yuma6 hr
Aug 2, 2:36 PM MDTSevere Thunderstorm WatchSPCKit Carson, Logan, Phillips, Sedgwick, Washington, Yuma6 hr
Aug 8, 2:42 PM MDTSevere Thunderstorm WatchSPCBent, Crowley, Huerfano, Las Animas, Otero, Pueblo5 hr
Aug 10, 3:52 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 13 more7 hr
Aug 12, 2:59 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 2 more7 hr
Aug 13, 2:41 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more8 hr
Aug 13, 3:00 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Yuma11 hr
Aug 15, 4:03 PM MDTSevere Thunderstorm WatchSPCLogan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more7 hr
Sep 17, 2:41 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Huerfano, Las Animas, Otero, Prowers and 1 more7 hr
Oct 6, 2:31 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers7 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 9, 20172severe thunderstorm watches
  2. August 13, 20172severe thunderstorm watches
  3. May 8, 20171severe thunderstorm watches
  4. May 15, 20171severe thunderstorm watches
  5. May 17, 20171severe thunderstorm watches
  6. May 25, 20171severe thunderstorm watches
  7. May 26, 20171severe thunderstorm watches
  8. May 27, 20171severe thunderstorm watches
  9. June 25, 20171severe thunderstorm watches
  10. June 26, 20171severe thunderstorm watches
  11. June 29, 20171severe thunderstorm watches
  12. July 2, 20171severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.