Alert archive / Colorado / Mesoscale Discussions / 2026

Mesoscale Discussions in Colorado, August 2026

37 mesoscale discussions in August 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 August 2026. Tap one for its archive.

Mesoscale Discussions
37
Busiest day
August 10, 20263 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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
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

By county

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

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.