Alert archive / Illinois / Mesoscale Discussions / 2017

Mesoscale Discussions in Illinois, June 2017

22 mesoscale discussions in June 2017. 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 2017. Tap one for its archive.

Mesoscale Discussions
22
Busiest day
June 14, 20176 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 13, 2:25 PM CDTMesoscale DiscussionSPCDeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more3 hr
Jun 14, 12:06 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more2 hr
Jun 14, 12:40 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clay, Clinton, Effingham and 23 more3 hr
Jun 14, 12:44 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, DeWitt, Douglas, Edgar and 5 more3 hr
Jun 14, 3:02 PM CDTMesoscale DiscussionSPCCook, Lake118 min
Jun 14, 4:59 PM CDTMesoscale DiscussionSPCCook, DuPage, Grundy, Iroquois, Kane, Kankakee and 4 more91 min
Jun 14, 6:11 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 22 more64 min
Jun 16, 12:45 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Johnson, Massac, Perry, Pulaski and 3 more3 hr
Jun 16, 6:56 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Stephenson64 min
Jun 17, 1:35 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 15 more115 min
Jun 17, 2:44 PM CDTMesoscale DiscussionSPCAdams, Boone, Bureau, Carroll, Cook, DeKalb and 32 more2 hr
Jun 17, 8:17 PM CDTMesoscale DiscussionSPCAdams, Boone, Brown, Bureau, Cass, Champaign and 52 more58 min
Jun 17, 9:50 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 32 more55 min
Jun 18, 1:40 AM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Crawford, Cumberland, Edwards and 18 more3 hr
Jun 18, 4:48 AM CDTMesoscale DiscussionSPCGallatin, Hardin, Johnson, Massac, Pope, Pulaski117 min
Jun 19, 12:44 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Champaign, Cook, DeKalb and 34 more3 hr
Jun 20, 2:05 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Carroll, Cass, Champaign and 47 more2 hr
Jun 28, 2:14 PM CDTMesoscale DiscussionSPCHenderson2 hr
Jun 28, 6:32 PM CDTMesoscale DiscussionSPCBoone, DeKalb, DuPage, Kane, Lake, McHenry and 2 more58 min
Jun 28, 7:53 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more97 min
Jun 29, 1:45 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Greene, Jersey, Macoupin and 8 more2 hr
Jun 30, 12:56 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Edwards, Lawrence, Wabash2 hr

By county

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

60 more counties

Nearby

Alerts in force nowTornadoes on recordThe 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.