Alert archive / Illinois / Henderson County / Mesoscale Discussions

Mesoscale Discussions in Henderson County, Illinois, 2021

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

Henderson County and its neighbors

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

Mesoscale Discussions
16
Busiest month
June4 mesoscale discussions
Busiest day
June 19, 20212 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, 6:35 AM CSTMesoscale DiscussionSPC4 hr
Apr 7, 5:04 PM CDTMesoscale DiscussionSPC116 min
May 3, 2:08 PM CDTMesoscale DiscussionSPC67 min
Jun 18, 9:27 PM CDTMesoscale DiscussionSPC2 hr
Jun 19, 2:10 AM CDTMesoscale DiscussionSPC2 hr
Jun 20, 10:57 AM CDTMesoscale DiscussionSPC2 hr
Jun 20, 6:56 PM CDTMesoscale DiscussionSPC2 hr
Jul 7, 2:02 PM CDTMesoscale DiscussionSPC88 min
Jul 24, 3:00 PM CDTMesoscale DiscussionSPC2 hr
Jul 29, 2:19 PM CDTMesoscale DiscussionSPC116 min
Aug 11, 6:26 AM CDTMesoscale DiscussionSPC2 hr
Aug 11, 3:56 PM CDTMesoscale DiscussionSPC3 hr
Oct 11, 9:06 AM CDTMesoscale DiscussionSPC2 hr
Dec 15, 4:51 PM CSTMesoscale DiscussionSPC114 min
Dec 15, 9:48 PM CSTMesoscale DiscussionSPC87 min
Dec 28, 8:59 AM CSTMesoscale DiscussionSPC5 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 19, 20212mesoscale discussions
  2. June 20, 20212mesoscale discussions
  3. August 11, 20212mesoscale discussions
  4. January 1, 20211mesoscale discussions
  5. April 7, 20211mesoscale discussions
  6. May 3, 20211mesoscale discussions
  7. July 7, 20211mesoscale discussions
  8. July 24, 20211mesoscale discussions
  9. July 29, 20211mesoscale discussions
  10. October 11, 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.