Alert archive / Missouri / Johnson County / Mesoscale Discussions

Mesoscale Discussions in Johnson County, Missouri, 2021

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

Johnson County and its neighbors

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

Mesoscale Discussions
33
Busiest month
June7 mesoscale discussions
Busiest day
May 9, 20213 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
Jan 1, 2:33 AM CSTMesoscale DiscussionSPC5 hr
Mar 10, 3:44 PM CSTMesoscale DiscussionSPC2 hr
Mar 15, 2:49 PM CDTMesoscale DiscussionSPC116 min
Apr 7, 10:18 AM CDTMesoscale DiscussionSPC117 min
May 8, 9:15 PM CDTMesoscale DiscussionSPC2 hr
May 8, 11:25 PM CDTMesoscale DiscussionSPC2 hr
May 9, 1:39 AM CDTMesoscale DiscussionSPC96 min
May 16, 1:27 PM CDTMesoscale DiscussionSPC93 min
May 16, 5:49 PM CDTMesoscale DiscussionSPC86 min
May 27, 6:03 PM CDTMesoscale DiscussionSPC87 min
Jun 11, 2:52 PM CDTMesoscale DiscussionSPC113 min
Jun 11, 5:39 PM CDTMesoscale DiscussionSPC2 hr
Jun 20, 2:02 PM CDTMesoscale DiscussionSPC118 min
Jun 20, 9:56 PM CDTMesoscale DiscussionSPC64 min
Jun 24, 8:33 PM CDTMesoscale DiscussionSPC87 min
Jun 25, 11:56 AM CDTMesoscale DiscussionSPC3 hr
Jun 25, 3:13 PM CDTMesoscale DiscussionSPC2 hr
Jul 10, 2:57 AM CDTMesoscale DiscussionSPC93 min
Jul 15, 2:32 PM CDTMesoscale DiscussionSPC118 min
Jul 31, 12:54 AM CDTMesoscale DiscussionSPC66 min
Aug 11, 4:49 AM CDTMesoscale DiscussionSPC86 min
Aug 12, 3:30 PM CDTMesoscale DiscussionSPC90 min
Aug 12, 10:20 PM CDTMesoscale DiscussionSPC2 hr
Aug 20, 11:39 PM CDTMesoscale DiscussionSPC2 hr
Sep 20, 2:15 PM CDTMesoscale DiscussionSPC2 hr
Sep 20, 6:25 PM CDTMesoscale DiscussionSPC95 min
Oct 13, 7:34 AM CDTMesoscale DiscussionSPC116 min
Oct 24, 12:40 PM CDTMesoscale DiscussionSPC3 hr
Oct 24, 3:28 PM CDTMesoscale DiscussionSPC92 min
Nov 10, 5:29 PM CSTMesoscale DiscussionSPC2 hr
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. May 9, 20213mesoscale discussions
  2. June 25, 20213mesoscale discussions
  3. May 16, 20212mesoscale discussions
  4. June 11, 20212mesoscale discussions
  5. September 20, 20212mesoscale discussions
  6. October 24, 20212mesoscale discussions
  7. December 15, 20212mesoscale discussions
  8. January 1, 20211mesoscale discussions
  9. March 10, 20211mesoscale discussions
  10. March 15, 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.