Alert archive / Missouri / St. Clair County / Mesoscale Discussions

Mesoscale Discussions in St. Clair County, Missouri, 2021

26 mesoscale discussions in 2021. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

St. Clair County and its neighbors

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

Mesoscale Discussions
26
Busiest month
June6 mesoscale discussions
Busiest day
June 25, 20214 mesoscale discussions

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Dec 31, 8:44 PM CSTMesoscale DiscussionSPC6 hr
Jan 1, 2:33 AM CSTMesoscale DiscussionSPC5 hr
Mar 15, 2:49 PM CDTMesoscale DiscussionSPC116 min
Mar 17, 12:45 AM CDTMesoscale DiscussionSPC90 min
Apr 7, 10:18 AM CDTMesoscale DiscussionSPC117 min
May 8, 9:15 PM CDTMesoscale DiscussionSPC2 hr
May 9, 1:39 AM CDTMesoscale DiscussionSPC96 min
May 16, 1:27 PM CDTMesoscale DiscussionSPC93 min
Jun 11, 2:52 PM CDTMesoscale DiscussionSPC113 min
Jun 11, 5:39 PM CDTMesoscale DiscussionSPC2 hr
Jun 24, 8:33 PM CDTMesoscale DiscussionSPC87 min
Jun 25, 11:56 AM CDTMesoscale DiscussionSPC3 hr
Jun 25, 3:13 PM CDTMesoscale DiscussionSPC2 hr
Jun 25, 6:21 PM CDTMesoscale DiscussionSPC84 min
Jul 15, 2:32 PM CDTMesoscale DiscussionSPC118 min
Jul 31, 5:09 PM CDTMesoscale DiscussionSPC2 hr
Sep 14, 3:18 PM CDTMesoscale DiscussionSPC117 min
Sep 20, 2:15 PM CDTMesoscale DiscussionSPC2 hr
Sep 20, 6:25 PM CDTMesoscale DiscussionSPC95 min
Oct 11, 5:00 AM CDTMesoscale DiscussionSPC2 hr
Oct 13, 7:34 AM CDTMesoscale DiscussionSPC116 min
Oct 24, 12:40 PM CDTMesoscale DiscussionSPC3 hr
Oct 24, 3:28 PM CDTMesoscale DiscussionSPC92 min
Dec 15, 5:01 PM CSTMesoscale DiscussionSPC89 min
Dec 15, 5:30 PM CSTMesoscale DiscussionSPC90 min
Dec 15, 7:14 PM CSTMesoscale DiscussionSPC91 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 25, 20214mesoscale discussions
  2. January 1, 20212mesoscale discussions
  3. May 9, 20212mesoscale discussions
  4. June 11, 20212mesoscale discussions
  5. September 20, 20212mesoscale discussions
  6. October 24, 20212mesoscale discussions
  7. December 15, 20212mesoscale discussions
  8. March 15, 20211mesoscale discussions
  9. March 17, 20211mesoscale discussions
  10. April 7, 20211mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.