Alert archive / Illinois / Mesoscale Discussions / 2019

Mesoscale Discussions in Illinois, May 2019

38 mesoscale discussions in May 2019. 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 May 2019. Tap one for its archive.

Mesoscale Discussions
38
Busiest day
May 23, 20195 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
Apr 30, 7:29 PM CDTMesoscale DiscussionSPCMonroe, Randolph, Saint Clair61 min
Apr 30, 10:13 PM CDTMesoscale DiscussionSPCBond, Clinton, Fayette, Jackson, Madison, Marion and 5 more92 min
May 8, 1:11 PM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson, Henry, Knox, McDonough and 3 more94 min
May 16, 12:09 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, DeWitt, Douglas, Edgar and 16 more66 min
May 16, 2:47 PM CDTMesoscale DiscussionSPCChampaign, Coles, DeWitt, Douglas, Edgar, Macon and 3 more118 min
May 16, 5:33 PM CDTMesoscale DiscussionSPCClark, Coles, Crawford, Douglas, Edgar, Lawrence117 min
May 16, 7:14 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Ford, Grundy, Henry and 12 more2 hr
May 16, 11:12 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Ford, Grundy, Henry and 14 more2 hr
May 18, 6:59 PM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Henderson, McDonough, Schuyler and 1 more2 hr
May 18, 7:19 PM CDTMesoscale DiscussionSPCAlexander, Calhoun, Jackson, Jersey, Madison, Monroe and 5 more116 min
May 19, 2:06 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Clinton, Coles, Crawford and 22 more114 min
May 21, 12:55 AM CDTMesoscale DiscussionSPCAlexander, Jackson, Monroe, Randolph, Saint Clair, Union95 min
May 21, 5:43 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Clinton, Greene, Jackson and 12 more62 min
May 21, 7:37 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Christian, Clark, Clay and 39 more83 min
May 21, 11:26 PM CDTMesoscale DiscussionSPCClark, Crawford, Cumberland, Edwards, Gallatin, Hamilton and 11 more94 min
May 22, 5:59 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Calhoun, Cass, Fulton and 20 more2 hr
May 22, 8:12 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 14 more63 min
May 22, 9:43 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 37 more92 min
May 23, 1:23 AM CDTMesoscale DiscussionSPCBond, Calhoun, Cass, Champaign, Christian, Clinton and 37 more97 min
May 23, 3:50 AM CDTMesoscale DiscussionSPCClark, Edgar55 min
May 23, 2:39 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more96 min
May 24, 12:15 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Coles and 28 more90 min
May 24, 3:25 PM CDTMesoscale DiscussionSPCCarroll, Henderson, Henry, Jo Daviess, Knox, Mercer and 5 more65 min
May 24, 8:57 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, DeWitt, Fulton, Hancock and 25 more2 hr
May 25, 3:24 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 9 more3 hr
May 25, 6:48 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 11 more57 min
May 26, 12:24 AM CDTMesoscale DiscussionSPCChampaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 6 more66 min
May 27, 12:50 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Champaign, Cook, DeKalb and 36 more85 min
May 27, 3:57 PM CDTMesoscale DiscussionSPCBureau, Carroll, Champaign, Cook, DeKalb, DeWitt and 37 more93 min
May 27, 5:30 PM CDTMesoscale DiscussionSPCFord, Iroquois, Kankakee90 min
May 28, 1:23 AM CDTMesoscale DiscussionSPCHancock, Henderson, McDonough2 hr
May 28, 11:16 AM CDTMesoscale DiscussionSPCChampaign, Ford, Iroquois, Kankakee, Livingston, Piatt and 1 more119 min
May 28, 11:31 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, DeWitt, Fulton and 17 more89 min
May 28, 3:58 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, DeWitt and 19 more62 min
May 29, 9:06 AM CDTMesoscale DiscussionSPCHardin, Massac, Pope114 min
May 29, 3:48 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Christian, Clark, Clay and 33 more87 min
May 29, 6:17 PM CDTMesoscale DiscussionSPCMercer, Rock Island118 min
May 30, 3:28 PM CDTMesoscale DiscussionSPCIroquois2 hr

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 archive20182020

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.