Alert archive / Illinois / Mesoscale Discussions / 2012

Mesoscale Discussions in Illinois, March 2012

23 mesoscale discussions in March 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in March 2012. Tap one for its archive.

Mesoscale Discussions
23
Busiest day
March 2, 20127 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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.

IssuedProductOfficeCountiesLasted
Mar 2, 1:46 AM CSTMesoscale DiscussionSPCJackson, Monroe, Perry, Randolph, Saint Clair89 min
Mar 2, 4:25 AM CSTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 30 more95 min
Mar 2, 7:50 AM CSTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 12 more85 min
Mar 2, 9:22 AM CSTMesoscale DiscussionSPCAlexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 13 more113 min
Mar 2, 10:02 AM CSTMesoscale DiscussionSPCChampaign, Clark, Coles, Crawford, Cumberland, Douglas and 3 more88 min
Mar 2, 11:06 AM CSTMesoscale DiscussionSPCBoone, Carroll, Hancock, Henderson, Henry, Jo Daviess and 9 more4 hr
Mar 2, 12:05 PM CSTMesoscale DiscussionSPCGallatin, Hardin, Johnson, Massac, Pope, Saline and 2 more85 min
Mar 12, 11:03 AM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Henry and 7 more57 min
Mar 14, 1:56 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more2 hr
Mar 15, 1:08 PM CDTMesoscale DiscussionSPCAlexander, Clay, Crawford, Edwards, Franklin, Gallatin and 15 more2 hr
Mar 15, 5:02 PM CDTMesoscale DiscussionSPCBrown, Cass, DeWitt, Ford, Fulton, Greene and 19 more2 hr
Mar 18, 1:41 AM CDTMesoscale DiscussionSPCBond, Bureau, Cass, Champaign, Christian, Clark and 41 more94 min
Mar 23, 9:46 AM CDTMesoscale DiscussionSPCAlexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more119 min
Mar 23, 1:28 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Edwards and 10 more62 min
Mar 23, 1:58 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 12 more2 hr
Mar 23, 3:17 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Crawford, Cumberland, Douglas and 9 more58 min
Mar 23, 6:43 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 18 more32 min
Mar 23, 7:01 PM CDTMesoscale DiscussionSPCFord, Iroquois, Kankakee59 min
Mar 27, 3:58 PM CDTMesoscale DiscussionSPCCarroll, Henderson, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more2 hr
Mar 27, 8:43 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Cook, DuPage, Fulton and 22 more2 hr
Mar 30, 1:12 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Coles, Crawford and 25 more93 min
Mar 30, 7:26 PM CDTMesoscale DiscussionSPCClay, Crawford, Edwards, Franklin, Hamilton, Jasper and 8 more64 min
Mar 30, 9:25 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Jackson, Saline and 3 more35 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

62 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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. Rebuilt daily.