Alert archive / Illinois / Mesoscale Discussions / 2011

Mesoscale Discussions in Illinois, June 2011

61 mesoscale discussions in June 2011. 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 June 2011. Tap one for its archive.

Mesoscale Discussions
61
Busiest day
June 9, 20116 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
Jun 2, 2:57 PM CDTMesoscale DiscussionSPCMonroe2 hr
Jun 2, 6:20 PM CDTMesoscale DiscussionSPCCalhoun, Jersey55 min
Jun 4, 1:27 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Grundy, Iroquois and 8 more63 min
Jun 4, 4:47 PM CDTMesoscale DiscussionSPCDeWitt, Fulton, Hancock, Henderson, Knox, Logan and 10 more28 min
Jun 4, 7:55 PM CDTMesoscale DiscussionSPCChampaign, Christian, Clark, Coles, Crawford, Cumberland and 13 more65 min
Jun 5, 2:52 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 36 more2 hr
Jun 5, 7:27 AM CDTMesoscale DiscussionSPCClay, Crawford, Cumberland, Edwards, Franklin, Gallatin and 12 more2 hr
Jun 6, 1:08 AM CDTMesoscale DiscussionSPCJo Daviess2 hr
Jun 6, 6:15 AM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 4 more90 min
Jun 8, 11:08 AM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Kane and 5 more97 min
Jun 8, 3:36 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Mercer, Rock Island, Stephenson84 min
Jun 8, 8:43 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more92 min
Jun 8, 11:45 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Grundy, Kane and 6 more90 min
Jun 9, 1:44 AM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Henderson, Henry, Jo Daviess and 12 more2 hr
Jun 9, 5:46 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cass, Champaign, Cook and 34 more59 min
Jun 9, 4:29 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Christian, Fulton, Greene and 12 more61 min
Jun 9, 5:31 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Crawford, Cumberland, Douglas and 9 more89 min
Jun 10, 12:10 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 11 more95 min
Jun 10, 3:48 PM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 6 more87 min
Jun 10, 5:55 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, DeWitt and 20 more65 min
Jun 10, 7:34 PM CDTMesoscale DiscussionSPCClay, Crawford, Edwards, Effingham, Hamilton, Jasper and 7 more56 min
Jun 10, 7:47 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Jersey, McDonough and 3 more58 min
Jun 10, 10:56 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 26 more94 min
Jun 11, 12:40 AM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 5 more2 hr
Jun 13, 6:52 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more83 min
Jun 13, 9:06 AM CDTMesoscale DiscussionSPCAlexander, Pulaski, Union54 min
Jun 13, 10:04 AM CDTMesoscale DiscussionSPCAdams, Calhoun, Greene, Jersey, Monroe, Morgan and 2 more86 min
Jun 13, 9:23 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 8 more97 min
Jun 13, 11:57 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 15 more93 min
Jun 14, 3:21 AM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, McDonough, Schuyler, Scott3 hr
Jun 14, 2:56 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Hancock, Jersey and 2 more94 min
Jun 15, 1:55 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Christian, DeWitt and 22 more3 hr
Jun 15, 4:24 AM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Champaign, Christian, Clark and 45 more96 min
Jun 15, 2:13 PM CDTMesoscale DiscussionSPCAlexander, Clay, Clinton, Cumberland, DeWitt, Edwards and 27 more2 hr
Jun 17, 12:10 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Edwards, Effingham, Fayette and 12 more65 min
Jun 17, 1:34 PM CDTMesoscale DiscussionSPCClay, Crawford, Edwards, Effingham, Franklin, Hamilton and 8 more26 min
Jun 17, 3:39 PM CDTMesoscale DiscussionSPCHardin66 min
Jun 18, 5:39 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Clay, Clinton and 29 more66 min
Jun 18, 7:41 PM CDTMesoscale DiscussionSPCMonroe94 min
Jun 19, 2:14 AM CDTMesoscale DiscussionSPCAlexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 20 more61 min
Jun 19, 4:39 AM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more66 min
Jun 19, 5:46 AM CDTMesoscale DiscussionSPCCrawford, Edwards, Hardin, Jasper, Lawrence, Richland and 1 more59 min
Jun 19, 4:30 PM CDTMesoscale DiscussionSPCMassac, Pulaski30 min
Jun 20, 4:08 AM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Cass, Champaign, Christian and 43 more67 min
Jun 20, 1:04 PM CDTMesoscale DiscussionSPCChampaign, Christian, Clark, Coles, Crawford, Cumberland and 14 more56 min
Jun 21, 11:45 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DeWitt and 32 more3 hr
Jun 21, 12:56 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Christian, Clay, Clinton and 40 more64 min
Jun 21, 3:31 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Cass, Champaign, Christian and 46 more89 min
Jun 21, 4:56 PM CDTMesoscale DiscussionSPCBond, Brown, Bureau, Cass, Champaign, Christian and 68 more94 min
Jun 21, 7:20 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Fayette, Franklin, Hamilton and 7 more85 min
Jun 25, 3:51 AM CDTMesoscale DiscussionSPCCalhoun, Jersey, Madison, Monroe, Randolph, Saint Clair84 min
Jun 25, 11:17 AM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Christian, Clark, Clay and 43 more118 min
Jun 25, 2:59 PM CDTMesoscale DiscussionSPCAlexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 16 more91 min
Jun 25, 10:22 PM CDTMesoscale DiscussionSPCGallatin, Hardin, Pope, Saline, Wabash, White and 1 more53 min
Jun 26, 1:21 AM CDTMesoscale DiscussionSPCAlexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 20 more84 min
Jun 26, 4:14 AM CDTMesoscale DiscussionSPCMassac91 min
Jun 26, 6:22 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Greene, Hancock and 9 more83 min
Jun 27, 12:58 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 48 more92 min
Jun 27, 3:14 AM CDTMesoscale DiscussionSPCAlexander, Bond, Champaign, Clark, Clay, Clinton and 39 more91 min
Jun 27, 5:38 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 35 more97 min
Jun 27, 11:30 AM CDTMesoscale DiscussionSPCHardin, Massac, Pope90 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 archive20102012

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.