Alert archive / Illinois / Johnson County / Mesoscale Discussions

Mesoscale Discussions in Johnson County, Illinois, 2010

33 mesoscale discussions in 2010. 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 2010. Tap one for its archive.

Mesoscale Discussions
33
Busiest month
May7 mesoscale discussions
Busiest day
April 7, 20102 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
Mar 11, 1:21 AM CSTMesoscale DiscussionSPC54 min
Apr 5, 12:28 PM CDTMesoscale DiscussionSPC62 min
Apr 7, 3:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 7, 5:43 PM CDTMesoscale DiscussionSPC62 min
Apr 23, 6:31 PM CDTMesoscale DiscussionSPC29 min
Apr 24, 7:35 AM CDTMesoscale DiscussionSPC55 min
Apr 24, 5:48 PM CDTMesoscale DiscussionSPC57 min
Apr 30, 8:36 PM CDTMesoscale DiscussionSPC54 min
Apr 30, 11:41 PM CDTMesoscale DiscussionSPC64 min
May 1, 9:45 PM CDTMesoscale DiscussionSPC30 min
May 2, 2:09 AM CDTMesoscale DiscussionSPC2 hr
May 7, 5:07 PM CDTMesoscale DiscussionSPC113 min
May 13, 5:41 PM CDTMesoscale DiscussionSPC94 min
May 24, 11:51 AM CDTMesoscale DiscussionSPC54 min
Jun 2, 12:56 PM CDTMesoscale DiscussionSPC94 min
Jun 14, 1:45 PM CDTMesoscale DiscussionSPC60 min
Jun 15, 11:55 AM CDTMesoscale DiscussionSPC95 min
Jun 17, 9:37 AM CDTMesoscale DiscussionSPC113 min
Jun 19, 2:33 AM CDTMesoscale DiscussionSPC57 min
Jun 19, 5:55 PM CDTMesoscale DiscussionSPC95 min
Jul 11, 3:19 PM CDTMesoscale DiscussionSPC56 min
Jul 15, 4:48 PM CDTMesoscale DiscussionSPC87 min
Jul 18, 9:21 AM CDTMesoscale DiscussionSPC84 min
Aug 5, 6:20 AM CDTMesoscale DiscussionSPC85 min
Aug 12, 12:51 PM CDTMesoscale DiscussionSPC54 min
Oct 24, 3:38 PM CDTMesoscale DiscussionSPC2 hr
Oct 26, 3:38 AM CDTMesoscale DiscussionSPC2 hr
Oct 26, 6:00 AM CDTMesoscale DiscussionSPC2 hr
Nov 22, 8:18 PM CSTMesoscale DiscussionSPC27 min
Nov 22, 11:44 PM CSTMesoscale DiscussionSPC2 hr
Dec 15, 6:18 PM CSTMesoscale DiscussionSPC4 hr
Dec 31, 11:04 AM CSTMesoscale DiscussionSPC56 min
Dec 31, 2:12 PM CSTMesoscale DiscussionSPC93 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 7, 20102mesoscale discussions
  2. April 24, 20102mesoscale discussions
  3. May 1, 20102mesoscale discussions
  4. May 2, 20102mesoscale discussions
  5. June 19, 20102mesoscale discussions
  6. October 26, 20102mesoscale discussions
  7. November 23, 20102mesoscale discussions
  8. December 31, 20102mesoscale discussions
  9. March 11, 20101mesoscale discussions
  10. April 5, 20101mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20092011

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.