Alert archive / Utah / Summit County / Mesoscale Discussions

Mesoscale Discussions in Summit County, Utah, 2026

13 mesoscale discussions in 2026. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Summit County and its neighbors

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

Mesoscale Discussions
13
Busiest month
August5 mesoscale discussions
Busiest day
April 11, 20262 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.

IssuedProductOfficeLasted
Apr 11, 12:23 PM MDTMesoscale DiscussionSPC2 hr
Apr 11, 2:44 PM MDTMesoscale DiscussionSPC2 hr
Apr 12, 12:40 PM MDTMesoscale DiscussionSPC2 hr
Apr 12, 2:48 PM MDTMesoscale DiscussionSPC117 min
May 13, 12:48 PM MDTMesoscale DiscussionSPC117 min
Jul 8, 1:59 PM MDTMesoscale DiscussionSPC2 hr
Jul 21, 2:23 PM MDTMesoscale DiscussionSPC2 hr
Aug 13, 5:16 PM MDTMesoscale DiscussionSPC119 min
Aug 23, 2:04 PM MDTMesoscale DiscussionSPC116 min
Aug 23, 4:56 PM MDTMesoscale DiscussionSPC94 min
Aug 24, 1:03 PM MDTMesoscale DiscussionSPC117 min
Aug 29, 11:31 AM MDTMesoscale DiscussionSPC2 hr
Sep 18, 12:53 PM MDTMesoscale DiscussionSPC3 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 11, 20262mesoscale discussions
  2. April 12, 20262mesoscale discussions
  3. August 23, 20262mesoscale discussions
  4. May 13, 20261mesoscale discussions
  5. July 8, 20261mesoscale discussions
  6. July 21, 20261mesoscale discussions
  7. August 13, 20261mesoscale discussions
  8. August 24, 20261mesoscale discussions
  9. August 29, 20261mesoscale discussions
  10. September 18, 20261mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.