Alert archive / Colorado / Mesoscale Discussions

Mesoscale Discussions in Colorado, 2026

141 mesoscale discussions in 2026. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Mesoscale Discussions
141
Busiest month
June41 mesoscale discussions
Busiest day
June 24, 20267 mesoscale discussions

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
Feb 25, 12:07 PM MSTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
Mar 6, 3:36 PM MSTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Logan, Morgan, Phillips and 3 more4 hr
Apr 11, 12:41 PM MDTMesoscale DiscussionSPCAlamosa, Archuleta, Chaffee, Conejos, Costilla, Crowley and 16 more2 hr
Apr 11, 2:44 PM MDTMesoscale DiscussionSPCMoffat2 hr
Apr 22, 1:51 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma114 min
May 9, 12:10 PM MDTMesoscale DiscussionSPCLogan, Weld3 hr
May 14, 1:03 PM MDTMesoscale DiscussionSPCBaca117 min
May 14, 2:39 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Phillips, Yuma2 hr
May 15, 1:34 PM MDTMesoscale DiscussionSPCLas Animas116 min
May 16, 1:36 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Washington, Yuma84 min
May 17, 2:08 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Denver, Douglas, Elbert and 9 more3 hr
May 21, 12:10 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more2 hr
May 21, 2:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 5 more116 min
May 21, 3:02 PM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Las Animas, Otero, Prowers88 min
May 21, 5:16 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Washington, Yuma119 min
May 23, 12:24 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma3 hr
May 25, 4:13 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Yuma2 hr
May 28, 6:15 PM MDTMesoscale DiscussionSPCAlamosa, Boulder, Broomfield, Clear Creek, Costilla, Custer and 12 more2 hr
May 29, 2:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 11 more116 min
May 29, 5:05 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Yuma115 min
May 30, 1:14 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more2 hr
May 30, 5:20 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Elbert, Logan, Morgan and 2 more85 min
Jun 1, 11:51 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more2 hr
Jun 1, 3:38 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Kit Carson, Lincoln, Logan and 6 more67 min
Jun 1, 6:23 PM MDTMesoscale DiscussionSPCElbert, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more97 min
Jun 3, 3:50 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Elbert, Logan, Morgan and 5 more115 min
Jun 8, 1:29 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Douglas, Elbert, Lincoln3 hr
Jun 8, 5:14 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 3 more91 min
Jun 8, 6:58 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma2 hr
Jun 9, 12:46 PM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Otero, Prowers2 hr
Jun 9, 2:31 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick89 min
Jun 9, 4:45 PM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Prowers2 hr
Jun 12, 4:10 PM MDTMesoscale DiscussionSPCBaca, Las Animas2 hr
Jun 19, 1:43 PM MDTMesoscale DiscussionSPCCrowley, El Paso, Huerfano, Las Animas, Otero, Pueblo3 hr
Jun 20, 1:11 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Lincoln and 7 more2 hr
Jun 20, 4:42 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Prowers, Yuma2 hr
Jun 20, 10:54 PM MDTMesoscale DiscussionSPCLogan, Morgan, Washington, Weld2 hr
Jun 21, 11:51 AM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma114 min
Jun 21, 2:33 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, Kit Carson, Lincoln, Phillips, Sedgwick and 2 more117 min
Jun 21, 6:18 PM MDTMesoscale DiscussionSPCBaca, Bent, Prowers87 min
Jun 22, 11:29 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Logan, Morgan, Washington, Weld2 hr
Jun 22, 12:40 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Douglas, Elbert, El Paso and 7 more2 hr
Jun 22, 4:21 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 14 more114 min
Jun 22, 6:20 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma85 min
Jun 23, 1:57 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 9 more2 hr
Jun 23, 5:58 PM MDTMesoscale DiscussionSPCArapahoe, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 3 more62 min
Jun 23, 9:03 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Crowley, Elbert, El Paso and 6 more87 min
Jun 23, 10:05 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick55 min
Jun 23, 10:52 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 12 more53 min
Jun 24, 2:11 AM MDTMesoscale DiscussionSPCBaca3 hr
Jun 24, 12:11 PM MDTMesoscale DiscussionSPCLas Animas3 hr
Jun 24, 2:20 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more115 min
Jun 24, 4:47 PM MDTMesoscale DiscussionSPCCrowley, El Paso, Huerfano, Las Animas, Otero, Pueblo58 min
Jun 24, 6:47 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Logan, Morgan, Washington and 1 more58 min
Jun 24, 7:58 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick62 min
Jun 24, 10:26 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Douglas, Elbert, Kit Carson and 3 more64 min
Jun 25, 2:24 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Crowley, Denver and 8 more3 hr
Jun 25, 4:54 PM MDTMesoscale DiscussionSPCWeld96 min
Jun 25, 5:40 PM MDTMesoscale DiscussionSPCLas Animas, Otero, Pueblo95 min
Jun 26, 2:13 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Crowley, Elbert, El Paso, Lincoln and 4 more62 min
Jun 26, 5:52 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Kit Carson, Lincoln, Logan and 5 more113 min
Jun 27, 6:10 PM MDTMesoscale DiscussionSPCSedgwick95 min
Jun 30, 1:43 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
Jun 30, 6:14 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick2 hr
Jul 2, 12:58 AM MDTMesoscale DiscussionSPCLogan, Morgan, Weld2 hr
Jul 2, 2:11 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
Jul 3, 1:26 AM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick2 hr
Jul 3, 8:37 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma113 min
Jul 3, 11:50 PM MDTMesoscale DiscussionSPCElbert, Kit Carson, Lincoln, Washington, Yuma55 min
Jul 4, 2:23 AM MDTMesoscale DiscussionSPCKit Carson97 min
Jul 4, 3:13 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Weld62 min
Jul 4, 6:24 PM MDTMesoscale DiscussionSPCPhillips, Yuma96 min
Jul 8, 1:03 PM MDTMesoscale DiscussionSPCAdams, Cheyenne, Elbert, Kiowa, Kit Carson, Lincoln and 8 more117 min
Jul 8, 6:52 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more83 min
Jul 9, 1:39 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 8 more2 hr
Jul 9, 5:50 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Kit Carson, Phillips, Prowers and 2 more85 min
Jul 10, 2:48 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more117 min
Jul 22, 2:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Boulder, Broomfield, Cheyenne and 15 more86 min
Jul 22, 5:43 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Morgan, Washington2 hr
Jul 23, 12:13 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas, Otero, Prowers92 min
Jul 27, 1:41 PM MDTMesoscale DiscussionSPCKit Carson, Yuma2 hr
Jul 28, 11:57 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 9 more2 hr
Jul 28, 2:35 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 8 more115 min
Jul 28, 5:02 PM MDTMesoscale DiscussionSPCCheyenne, Crowley, Elbert, El Paso, Kiowa, Kit Carson and 9 more88 min
Jul 30, 1:33 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Crowley, Elbert and 10 more117 min
Jul 31, 2:30 PM MDTMesoscale DiscussionSPCArapahoe, Crowley, Douglas, Elbert, El Paso, Huerfano and 4 more2 hr
Aug 4, 2:22 PM MDTMesoscale DiscussionSPCCostilla, Huerfano, Las Animas113 min
Aug 5, 2:13 PM MDTMesoscale DiscussionSPCCostilla, Las Animas2 hr
Aug 6, 6:48 PM MDTMesoscale DiscussionSPCBaca117 min
Aug 8, 2:14 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa2 hr
Aug 9, 4:41 PM MDTMesoscale DiscussionSPCSedgwick2 hr
Aug 9, 7:00 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick2 hr
Aug 9, 9:29 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
Aug 10, 2:51 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Phillips, Sedgwick, Washington, Yuma2 hr
Aug 10, 6:31 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more119 min
Aug 12, 1:33 PM MDTMesoscale DiscussionSPCAdams, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more117 min
Aug 12, 6:06 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick114 min
Aug 13, 2:41 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 22 more2 hr
Aug 13, 7:30 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln, Phillips, Prowers and 3 more90 min
Aug 14, 2:05 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 4 more115 min
Aug 15, 1:28 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more2 hr
Aug 15, 2:25 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Las Animas, Otero, Prowers3 hr
Aug 15, 5:08 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 16 more2 hr
Aug 16, 12:33 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Crowley, Denver, Douglas and 9 more117 min
Aug 16, 3:50 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 11 more115 min
Aug 16, 7:46 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Prowers119 min
Aug 19, 12:22 AM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln83 min
Aug 19, 3:59 PM MDTMesoscale DiscussionSPCCostilla, Custer, Douglas, El Paso, Fremont, Huerfano and 3 more2 hr
Aug 21, 5:47 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Lincoln, Prowers118 min
Aug 21, 7:32 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma88 min
Aug 21, 10:16 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Phillips, Sedgwick, Washington, Yuma89 min
Aug 22, 1:15 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Larimer and 2 more3 hr
Aug 23, 2:21 PM MDTMesoscale DiscussionSPCArapahoe, Baca, Bent, Cheyenne, Crowley, Elbert and 9 more2 hr
Aug 24, 1:36 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 9 more114 min
Aug 25, 2:53 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more2 hr
Aug 25, 5:24 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Las Animas and 3 more96 min
Aug 26, 1:43 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 16 more3 hr
Aug 26, 6:11 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Elbert94 min
Aug 27, 3:02 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Costilla, Crowley and 16 more118 min
Aug 29, 1:26 PM MDTMesoscale DiscussionSPCLarimer, Logan, Weld2 hr
Aug 30, 12:41 PM MDTMesoscale DiscussionSPCDelta, Eagle, Garfield, Mesa, Pitkin, Rio Blanco2 hr
Aug 31, 2:54 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Las Animas and 3 more2 hr
Aug 31, 5:46 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 1 more119 min
Sep 2, 1:09 PM MDTMesoscale DiscussionSPCJackson, Moffat, Rio Blanco, Routt2 hr
Sep 5, 2:34 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma116 min
Sep 5, 6:44 PM MDTMesoscale DiscussionSPCSedgwick2 hr
Sep 5, 10:28 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
Sep 8, 4:08 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, El Paso, Kiowa and 6 more2 hr
Sep 9, 11:43 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Huerfano, Kiowa and 4 more2 hr
Sep 10, 4:41 PM MDTMesoscale DiscussionSPCCostilla, Las Animas2 hr
Sep 17, 4:11 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma3 hr
Sep 18, 3:45 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Phillips, Washington, Yuma2 hr
Sep 19, 1:43 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Crowley, Elbert, El Paso, Lincoln and 3 more3 hr
Sep 19, 6:29 PM MDTMesoscale DiscussionSPCCheyenne2 hr
Sep 20, 12:49 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, Kit Carson, Lincoln, Phillips, Sedgwick and 2 more2 hr
Sep 20, 5:12 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa93 min
Sep 20, 8:01 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Cheyenne, Denver and 10 more119 min
Sep 20, 10:52 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 10 more83 min
Sep 21, 1:24 AM MDTMesoscale DiscussionSPCBent, Crowley, Kiowa, Otero, Prowers66 min
Sep 28, 4:42 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson3 hr
Sep 30, 3:01 PM MDTMesoscale DiscussionSPCBaca119 min

By county

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

15 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 24, 20267mesoscale discussions
  2. June 25, 20266mesoscale discussions
  3. May 21, 20264mesoscale discussions
  4. June 9, 20264mesoscale discussions
  5. June 22, 20264mesoscale discussions
  6. July 4, 20264mesoscale discussions
  7. May 29, 20263mesoscale discussions
  8. June 21, 20263mesoscale discussions
  9. June 23, 20263mesoscale discussions
  10. July 9, 20263mesoscale discussions
  11. July 28, 20263mesoscale discussions
  12. August 10, 20263mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.