Alert archive / Colorado / Mesoscale Discussions

Mesoscale Discussions in Colorado, 2021

96 mesoscale discussions in 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Mesoscale Discussions
96
Busiest month
May38 mesoscale discussions
Busiest day
May 22, 20215 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
Mar 13, 12:22 PM MSTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 12 more4 hr
Mar 13, 7:15 PM MSTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more6 hr
Mar 13, 7:39 PM MSTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more6 hr
Mar 14, 1:55 AM MSTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 5 more6 hr
Mar 14, 9:21 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more4 hr
Mar 17, 3:38 AM MDTMesoscale DiscussionSPCBaca6 hr
Mar 22, 12:27 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa3 hr
Apr 15, 2:51 PM MDTMesoscale DiscussionSPCAdams, Logan, Morgan, Weld4 hr
Apr 27, 11:15 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Kit Carson, Lincoln, Logan and 5 more3 hr
Apr 27, 2:32 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Kit Carson, Lincoln, Logan and 6 more118 min
Apr 27, 4:24 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Phillips, Washington, Yuma2 hr
Apr 27, 6:16 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Yuma119 min
May 2, 10:14 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more2 hr
May 2, 1:15 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, El Paso, Kit Carson, Lincoln, Morgan and 3 more90 min
May 2, 2:45 PM MDTMesoscale DiscussionSPCCheyenne, Crowley, Kiowa, Kit Carson, Lincoln, Phillips and 2 more90 min
May 2, 4:12 PM MDTMesoscale DiscussionSPCBaca, Bent, Prowers93 min
May 5, 12:07 PM MDTMesoscale DiscussionSPCArapahoe, Bent, Cheyenne, Crowley, Elbert, Kiowa and 2 more2 hr
May 7, 12:00 PM MDTMesoscale DiscussionSPCLas Animas2 hr
May 8, 2:59 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 8 more2 hr
May 9, 12:31 PM MDTMesoscale DiscussionSPCLas Animas2 hr
May 14, 1:56 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Denver, Elbert, Kit Carson and 5 more2 hr
May 15, 1:57 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 15 more2 hr
May 15, 5:17 PM MDTMesoscale DiscussionSPCBent, Prowers58 min
May 15, 7:54 PM MDTMesoscale DiscussionSPCKiowa, Prowers66 min
May 16, 1:23 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Huerfano, Las Animas, Otero and 2 more2 hr
May 16, 4:11 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln, Washington, Yuma94 min
May 17, 12:39 PM MDTMesoscale DiscussionSPCBaca, Bent, Costilla, Huerfano, Las Animas, Otero2 hr
May 17, 4:10 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas, Otero2 hr
May 17, 6:23 PM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Las Animas, Otero, Prowers2 hr
May 17, 8:28 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Otero, Prowers2 hr
May 21, 2:54 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma3 hr
May 21, 6:30 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, Kit Carson, Lincoln, Logan, Morgan and 4 more90 min
May 22, 10:51 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Crowley, Denver, Douglas, Elbert and 8 more114 min
May 22, 1:34 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Washington116 min
May 22, 4:51 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, Kiowa, Kit Carson and 10 more114 min
May 22, 5:31 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick119 min
May 23, 10:53 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 6 more2 hr
May 23, 1:57 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more2 hr
May 23, 2:41 PM MDTMesoscale DiscussionSPCBaca, Bent, Prowers94 min
May 23, 4:37 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln, Logan, Phillips and 3 more113 min
May 23, 6:32 PM MDTMesoscale DiscussionSPCBaca, Prowers118 min
May 23, 6:53 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma67 min
May 26, 11:45 AM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Weld2 hr
May 26, 4:44 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
May 29, 12:58 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Elbert, Lincoln, Otero2 hr
May 29, 4:54 PM MDTMesoscale DiscussionSPCCrowley, El Paso, Lincoln66 min
May 29, 5:30 PM MDTMesoscale DiscussionSPCBaca90 min
May 29, 10:37 PM MDTMesoscale DiscussionSPCBaca, Bent, Prowers53 min
May 30, 11:08 AM MDTMesoscale DiscussionSPCCostilla, Huerfano, Las Animas97 min
May 31, 12:47 PM MDTMesoscale DiscussionSPCAlamosa, Archuleta, Chaffee, Conejos, Costilla, Custer and 8 more88 min
Jun 1, 1:14 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 11 more2 hr
Jun 10, 2:51 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick114 min
Jun 12, 6:17 PM MDTMesoscale DiscussionSPCLas Animas118 min
Jun 13, 12:08 PM MDTMesoscale DiscussionSPCBoulder, Broomfield, Clear Creek, Denver, Douglas, El Paso and 5 more97 min
Jun 13, 4:59 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Crowley, Denver and 9 more2 hr
Jun 13, 6:15 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick2 hr
Jun 14, 2:51 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Boulder, Broomfield, Crowley and 16 more114 min
Jun 18, 5:34 PM MDTMesoscale DiscussionSPCAdams, Broomfield, Denver, Morgan, Weld86 min
Jun 19, 12:46 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Elbert, Kiowa, Kit Carson and 8 more89 min
Jun 19, 3:24 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma2 hr
Jun 19, 4:00 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Phillips, Sedgwick, Washington, Yuma90 min
Jun 20, 5:26 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, El Paso, Kiowa, Las Animas and 4 more64 min
Jun 22, 1:40 PM MDTMesoscale DiscussionSPCLas Animas2 hr
Jun 24, 1:49 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Washington, Yuma116 min
Jun 24, 5:31 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln, Washington, Yuma119 min
Jun 25, 12:21 PM MDTMesoscale DiscussionSPCPhillips, Yuma114 min
Jun 25, 1:11 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Otero and 1 more2 hr
Jun 25, 4:54 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Washington, Yuma66 min
Jul 3, 1:53 PM MDTMesoscale DiscussionSPCLincoln, Logan, Morgan, Phillips, Sedgwick, Washington97 min
Jul 3, 5:33 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 13 more87 min
Jul 4, 1:36 PM MDTMesoscale DiscussionSPCHuerfano, Las Animas114 min
Jul 9, 1:38 PM MDTMesoscale DiscussionSPCAdams, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more97 min
Jul 9, 5:16 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma119 min
Jul 9, 7:49 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Washington86 min
Jul 9, 10:39 PM MDTMesoscale DiscussionSPCProwers66 min
Jul 13, 1:38 PM MDTMesoscale DiscussionSPCAdams, Larimer, Logan, Morgan, Phillips, Sedgwick and 3 more2 hr
Jul 15, 2:09 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Crowley, Elbert, Lincoln, Morgan and 2 more3 hr
Jul 17, 2:40 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma3 hr
Jul 18, 1:32 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Prowers2 hr
Aug 7, 1:29 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, Kiowa, Kit Carson, Lincoln91 min
Aug 7, 2:34 PM MDTMesoscale DiscussionSPCBaca, Prowers86 min
Aug 13, 5:40 PM MDTMesoscale DiscussionSPCBoulder, Broomfield, Clear Creek, Denver, Douglas, Gilpin and 8 more2 hr
Aug 14, 6:37 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma53 min
Aug 19, 12:00 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more2 hr
Aug 19, 5:17 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma28 min
Aug 19, 8:27 PM MDTMesoscale DiscussionSPCPhillips, Yuma93 min
Sep 3, 1:20 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Morgan, Washington, Weld55 min
Sep 12, 3:44 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 3 more91 min
Sep 12, 6:03 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Kit Carson, Prowers87 min
Sep 14, 1:08 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 5 more2 hr
Sep 14, 5:30 PM MDTMesoscale DiscussionSPCBent90 min
Sep 16, 3:46 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma119 min
Oct 12, 2:08 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma97 min
Oct 12, 5:22 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma83 min
Dec 15, 6:42 AM MSTMesoscale DiscussionSPCBent, Crowley, Huerfano, Las Animas, Otero, Pueblo93 min
Dec 26, 11:00 AM MSTMesoscale DiscussionSPCGarfield, Mesa, Moffat, Rio Blanco, Routt3 hr

By county

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

17 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 22, 20215mesoscale discussions
  2. March 14, 20214mesoscale discussions
  3. May 2, 20214mesoscale discussions
  4. May 23, 20214mesoscale discussions
  5. April 27, 20213mesoscale discussions
  6. May 16, 20213mesoscale discussions
  7. May 29, 20213mesoscale discussions
  8. June 13, 20213mesoscale discussions
  9. June 19, 20213mesoscale discussions
  10. June 25, 20213mesoscale discussions
  11. May 15, 20212mesoscale discussions
  12. May 17, 20212mesoscale discussions

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. Rebuilt daily.