Alert archive / Illinois / Saint Clair County / Mesoscale Discussions

Mesoscale Discussions in Saint Clair County, Illinois, 2017

24 mesoscale discussions in 2017. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Saint Clair County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Mesoscale Discussions
24
Busiest month
June5 mesoscale discussions
Busiest day
March 7, 20172 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 13, 10:28 AM CSTMesoscale DiscussionSPC6 hr
Jan 14, 2:14 AM CSTMesoscale DiscussionSPC6 hr
Feb 28, 1:46 PM CSTMesoscale DiscussionSPC2 hr
Mar 6, 8:22 PM CSTMesoscale DiscussionSPC2 hr
Mar 6, 11:13 PM CSTMesoscale DiscussionSPC2 hr
Mar 30, 11:56 AM CDTMesoscale DiscussionSPC64 min
Apr 10, 3:25 PM CDTMesoscale DiscussionSPC2 hr
Apr 28, 1:10 PM CDTMesoscale DiscussionSPC2 hr
Apr 29, 12:50 PM CDTMesoscale DiscussionSPC85 min
Apr 29, 3:28 PM CDTMesoscale DiscussionSPC2 hr
May 19, 4:07 AM CDTMesoscale DiscussionSPC113 min
Jun 14, 12:40 PM CDTMesoscale DiscussionSPC3 hr
Jun 14, 6:11 PM CDTMesoscale DiscussionSPC64 min
Jun 17, 9:50 PM CDTMesoscale DiscussionSPC55 min
Jun 18, 1:40 AM CDTMesoscale DiscussionSPC3 hr
Jun 29, 1:45 PM CDTMesoscale DiscussionSPC2 hr
Jul 23, 3:12 AM CDTMesoscale DiscussionSPC2 hr
Aug 16, 2:35 PM CDTMesoscale DiscussionSPC2 hr
Aug 21, 3:29 PM CDTMesoscale DiscussionSPC91 min
Sep 4, 6:05 PM CDTMesoscale DiscussionSPC115 min
Sep 4, 9:26 PM CDTMesoscale DiscussionSPC64 min
Oct 10, 3:10 PM CDTMesoscale DiscussionSPC2 hr
Nov 5, 11:09 AM CSTMesoscale DiscussionSPC66 min
Nov 5, 2:51 PM CSTMesoscale DiscussionSPC114 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 7, 20172mesoscale discussions
  2. April 29, 20172mesoscale discussions
  3. June 14, 20172mesoscale discussions
  4. June 18, 20172mesoscale discussions
  5. November 5, 20172mesoscale discussions
  6. January 13, 20171mesoscale discussions
  7. January 14, 20171mesoscale discussions
  8. February 28, 20171mesoscale discussions
  9. March 30, 20171mesoscale discussions
  10. April 10, 20171mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20162018

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.