Alert archive / Colorado / Mesoscale Discussions

Mesoscale Discussions in Colorado, 2018

133 mesoscale discussions in 2018. 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 2018. Tap one for its archive.

Mesoscale Discussions
133
Busiest month
May36 mesoscale discussions
Busiest day
June 19, 20185 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
Jan 21, 2:54 PM MSTMesoscale DiscussionSPCCheyenne, Kit Carson, Phillips, Yuma6 hr
Apr 29, 12:39 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
May 1, 1:01 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more119 min
May 9, 5:10 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Prowers95 min
May 10, 12:56 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick2 hr
May 10, 5:10 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
May 10, 6:06 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Washington, Yuma114 min
May 11, 12:00 PM MDTMesoscale DiscussionSPCBoulder, Broomfield, Larimer, Weld2 hr
May 11, 5:39 PM MDTMesoscale DiscussionSPCLarimer, Weld96 min
May 13, 4:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Elbert, Morgan and 2 more2 hr
May 14, 12:38 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more2 hr
May 14, 4:04 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson116 min
May 15, 1:32 PM MDTMesoscale DiscussionSPCArapahoe, Baca, Bent, Costilla, Crowley, Custer and 11 more118 min
May 17, 1:38 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
May 17, 4:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 3 more116 min
May 17, 6:47 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick58 min
May 17, 9:03 PM MDTMesoscale DiscussionSPCSedgwick117 min
May 18, 1:43 PM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Prowers2 hr
May 18, 3:06 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Jefferson and 4 more114 min
May 18, 8:08 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Prowers, Washington, Yuma67 min
May 21, 11:41 AM MDTMesoscale DiscussionSPCArchuleta, Conejos, Mineral, Rio Grande2 hr
May 21, 3:00 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Kit Carson, Logan, Morgan and 3 more2 hr
May 22, 4:56 PM MDTMesoscale DiscussionSPCLarimer, Weld2 hr
May 23, 1:00 PM MDTMesoscale DiscussionSPCAdams, Broomfield, Morgan, Weld2 hr
May 23, 5:07 PM MDTMesoscale DiscussionSPCLarimer, Logan, Morgan, Phillips, Sedgwick, Weld83 min
May 24, 12:37 PM MDTMesoscale DiscussionSPCCheyenne, Crowley, Elbert, Kiowa, Kit Carson, Lincoln113 min
May 24, 5:15 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson60 min
May 27, 12:38 PM MDTMesoscale DiscussionSPCBaca, Cheyenne, Kiowa, Kit Carson, Logan, Phillips and 3 more3 hr
May 27, 4:30 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 16 more2 hr
May 28, 12:19 PM MDTMesoscale DiscussionSPCJackson, Routt86 min
May 28, 12:46 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson59 min
May 28, 1:39 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more96 min
May 28, 4:54 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Washington, Yuma96 min
May 28, 6:08 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Logan, Morgan, Weld97 min
May 29, 2:10 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, El Paso, Kit Carson, Lincoln, Logan and 4 more95 min
May 30, 1:25 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 14 more2 hr
May 30, 4:23 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln3 hr
May 30, 5:22 PM MDTMesoscale DiscussionSPCBaca113 min
Jun 6, 2:49 PM MDTMesoscale DiscussionSPCAdams, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more86 min
Jun 6, 6:59 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma2 hr
Jun 6, 10:58 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Washington, Yuma2 hr
Jun 8, 4:27 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 1 more2 hr
Jun 13, 1:25 AM MDTMesoscale DiscussionSPCCheyenne, Elbert, El Paso, Kit Carson, Lincoln3 hr
Jun 13, 1:42 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Crowley, Denver, Douglas, Elbert and 6 more2 hr
Jun 13, 5:31 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Phillips and 2 more89 min
Jun 15, 4:47 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Logan, Morgan, Phillips and 4 more88 min
Jun 17, 1:05 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma85 min
Jun 17, 3:53 PM MDTMesoscale DiscussionSPCKit Carson, Logan, Phillips, Sedgwick, Washington, Yuma97 min
Jun 17, 5:47 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Washington, Yuma88 min
Jun 18, 3:06 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Morgan, Washington and 1 more114 min
Jun 18, 8:31 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Logan, Morgan and 2 more119 min
Jun 18, 10:11 PM MDTMesoscale DiscussionSPCLogan, Morgan, Weld2 hr
Jun 19, 11:48 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 19 more117 min
Jun 19, 1:54 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Boulder, Broomfield and 24 more2 hr
Jun 19, 4:28 PM MDTMesoscale DiscussionSPCSedgwick2 hr
Jun 19, 6:21 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 20 more54 min
Jun 19, 8:33 PM MDTMesoscale DiscussionSPCProwers117 min
Jun 19, 10:41 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
Jun 22, 1:06 AM MDTMesoscale DiscussionSPCBaca84 min
Jun 22, 11:31 AM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 5 more89 min
Jun 22, 2:46 PM MDTMesoscale DiscussionSPCBaca, Cheyenne, Kiowa, Prowers89 min
Jun 22, 4:14 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
Jun 23, 1:36 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 4 more114 min
Jun 23, 5:37 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Las Animas and 3 more113 min
Jun 24, 1:16 AM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 2 more59 min
Jun 24, 12:51 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 3 more84 min
Jun 24, 2:04 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more86 min
Jun 24, 4:31 PM MDTMesoscale DiscussionSPCCheyenne, Crowley, Kiowa89 min
Jun 29, 5:29 PM MDTMesoscale DiscussionSPCBaca3 hr
Jun 30, 1:03 PM MDTMesoscale DiscussionSPCAdams, Broomfield, Larimer, Logan, Morgan, Phillips and 3 more87 min
Jun 30, 4:40 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Douglas, Elbert, El Paso and 9 more2 hr
Jun 30, 7:18 PM MDTMesoscale DiscussionSPCKit Carson117 min
Jul 2, 4:10 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick, Yuma3 hr
Jul 2, 4:42 PM MDTMesoscale DiscussionSPCBaca, Prowers2 hr
Jul 3, 6:36 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick54 min
Jul 4, 1:51 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 9 more54 min
Jul 12, 1:47 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
Jul 16, 11:36 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma114 min
Jul 17, 2:47 PM MDTMesoscale DiscussionSPCLogan, Morgan, Weld118 min
Jul 17, 5:49 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more116 min
Jul 17, 7:32 PM MDTMesoscale DiscussionSPCCheyenne, Crowley, Elbert, Kiowa, Kit Carson, Lincoln and 1 more118 min
Jul 20, 4:15 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Kiowa, Prowers3 hr
Jul 21, 12:50 PM MDTMesoscale DiscussionSPCLogan, Morgan, Weld2 hr
Jul 23, 1:00 PM MDTMesoscale DiscussionSPCAdams, Alamosa, Arapahoe, Boulder, Broomfield, Chaffee and 19 more90 min
Jul 23, 4:31 PM MDTMesoscale DiscussionSPCCuster, Douglas, El Paso, Fremont, Huerfano, Las Animas and 4 more89 min
Jul 23, 6:37 PM MDTMesoscale DiscussionSPCCuster, Douglas, El Paso, Fremont, Huerfano, Las Animas and 4 more53 min
Jul 24, 2:31 PM MDTMesoscale DiscussionSPCCrowley, Custer, El Paso, Fremont, Huerfano, Las Animas and 4 more2 hr
Jul 24, 3:44 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Elbert, Larimer and 3 more2 hr
Jul 25, 12:48 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more57 min
Jul 25, 12:56 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson3 hr
Jul 25, 5:08 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more2 hr
Jul 25, 6:40 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 5 more2 hr
Jul 25, 9:39 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Lincoln and 2 more2 hr
Jul 26, 12:49 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Crowley, Denver, Douglas and 9 more56 min
Jul 26, 6:07 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Cheyenne, Crowley and 18 more113 min
Jul 26, 8:53 PM MDTMesoscale DiscussionSPCProwers2 hr
Jul 27, 12:35 PM MDTMesoscale DiscussionSPCAdams, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 3 more85 min
Jul 27, 2:52 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, El Paso, Huerfano and 8 more83 min
Jul 27, 5:23 PM MDTMesoscale DiscussionSPCCheyenne97 min
Jul 28, 3:10 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, El Paso, Kiowa, Lincoln and 2 more65 min
Jul 28, 5:01 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Yuma119 min
Jul 29, 12:46 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 10 more59 min
Jul 29, 5:23 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 19 more67 min
Jul 29, 6:18 PM MDTMesoscale DiscussionSPCBaca, Prowers87 min
Jul 29, 10:49 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Otero, Prowers56 min
Aug 3, 5:30 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa3 hr
Aug 4, 1:58 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Weld, Yuma62 min
Aug 5, 2:41 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick94 min
Aug 5, 6:05 PM MDTMesoscale DiscussionSPCLarimer115 min
Aug 6, 12:21 PM MDTMesoscale DiscussionSPCBaca, Bent, Costilla, Crowley, Custer, El Paso and 7 more114 min
Aug 6, 2:02 PM MDTMesoscale DiscussionSPCBoulder, Larimer, Morgan, Weld88 min
Aug 6, 5:24 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 24 more66 min
Aug 6, 8:06 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Boulder, Broomfield, Crowley and 20 more54 min
Aug 7, 12:59 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Crowley, Denver and 10 more2 hr
Aug 7, 4:44 PM MDTMesoscale DiscussionSPCBent, Costilla, Crowley, Custer, Douglas, Elbert and 8 more2 hr
Aug 7, 7:57 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Costilla, Crowley and 18 more2 hr
Aug 7, 10:06 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, El Paso, Kiowa, Lincoln and 3 more114 min
Aug 14, 5:31 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Custer and 13 more119 min
Aug 15, 5:22 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas113 min
Aug 17, 2:56 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 13 more2 hr
Aug 18, 12:25 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, El Paso, Kiowa and 5 more2 hr
Aug 18, 2:26 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick3 hr
Aug 18, 2:50 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Elbert, El Paso and 7 more55 min
Aug 18, 5:34 PM MDTMesoscale DiscussionSPCBaca, Prowers116 min
Aug 21, 11:20 AM MDTMesoscale DiscussionSPCMesa115 min
Aug 21, 2:57 PM MDTMesoscale DiscussionSPCBaca, Las Animas2 hr
Aug 22, 2:49 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more116 min
Aug 25, 7:50 PM MDTMesoscale DiscussionSPCKit Carson, Yuma55 min
Sep 1, 4:37 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Washington, Yuma113 min
Sep 19, 10:26 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma94 min
Sep 24, 2:24 PM MDTMesoscale DiscussionSPCAdams, Logan, Morgan, Washington, Weld3 hr
Oct 4, 10:05 AM MDTMesoscale DiscussionSPCDelta, Eagle, Garfield, Jackson, Mesa, Moffat and 3 more115 min
Nov 24, 8:15 PM MSTMesoscale DiscussionSPCLogan2 hr

By county

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

14 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 19, 20185mesoscale discussions
  2. July 27, 20185mesoscale discussions
  3. May 18, 20184mesoscale discussions
  4. May 28, 20184mesoscale discussions
  5. June 22, 20184mesoscale discussions
  6. June 24, 20184mesoscale discussions
  7. August 6, 20184mesoscale discussions
  8. August 18, 20184mesoscale discussions
  9. May 11, 20183mesoscale discussions
  10. May 30, 20183mesoscale discussions
  11. June 13, 20183mesoscale discussions
  12. June 17, 20183mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.