Alert archive / Illinois / Mesoscale Discussions / 2008

Mesoscale Discussions in Illinois, July 2008

37 mesoscale discussions in July 2008. 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 July 2008. Tap one for its archive.

Mesoscale Discussions
37
Busiest day
July 8, 20087 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
Jul 2, 9:42 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more2 hr
Jul 2, 1:55 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more95 min
Jul 2, 7:03 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 18 more57 min
Jul 7, 7:30 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess30 min
Jul 7, 8:32 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more88 min
Jul 7, 10:21 PM CDTMesoscale DiscussionSPCBoone, Bureau, DeKalb, DuPage, Kane, Kendall and 4 more84 min
Jul 8, 1:15 AM CDTMesoscale DiscussionSPCFord, Fulton, Hancock, Henderson, Knox, Livingston and 10 more3 hr
Jul 8, 1:27 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 35 more93 min
Jul 8, 4:22 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 25 more53 min
Jul 8, 6:02 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 25 more58 min
Jul 10, 9:36 AM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Stephenson84 min
Jul 10, 12:55 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 14 more95 min
Jul 10, 5:52 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more83 min
Jul 12, 1:52 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cass, Christian, DeKalb and 33 more53 min
Jul 12, 3:37 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Coles and 16 more83 min
Jul 19, 6:56 PM CDTMesoscale DiscussionSPCBoone, Carroll, Henderson, Henry, Jo Daviess, Mercer and 6 more2 hr
Jul 19, 11:24 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DeWitt, DuPage and 29 more96 min
Jul 20, 12:43 PM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Clark, Coles, Cumberland and 12 more92 min
Jul 20, 10:17 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 18 more2 hr
Jul 21, 3:10 AM CDTMesoscale DiscussionSPCHancock, Henderson, McDonough, Mercer, Rock Island, Warren95 min
Jul 21, 1:48 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 6 more87 min
Jul 21, 7:16 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, McDonough and 6 more89 min
Jul 21, 8:00 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clay, Clinton, Effingham and 12 more90 min
Jul 21, 10:38 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 32 more97 min
Jul 22, 4:47 AM CDTMesoscale DiscussionSPCAlexander, Hardin, Jackson, Johnson, Massac, Pope and 5 more88 min
Jul 24, 11:32 PM CDTMesoscale DiscussionSPCCalhoun, Pike88 min
Jul 25, 6:10 PM CDTMesoscale DiscussionSPCAlexander, Pulaski95 min
Jul 27, 4:47 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Greene, Hancock and 10 more88 min
Jul 27, 8:20 PM CDTMesoscale DiscussionSPCBond, Calhoun, Greene, Jersey, Macoupin, Madison and 4 more85 min
Jul 28, 1:23 AM CDTMesoscale DiscussionSPCAdams, Alexander, Edwards, Franklin, Gallatin, Hamilton and 17 more97 min
Jul 29, 3:11 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 6 more94 min
Jul 29, 7:05 PM CDTMesoscale DiscussionSPCChampaign, DeKalb, Douglas, DuPage, Ford, Grundy and 10 more85 min
Jul 30, 4:44 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Jackson, Johnson, Monroe, Perry and 5 more91 min
Jul 30, 7:33 PM CDTMesoscale DiscussionSPCAlexander, Clay, Clinton, Edwards, Franklin, Gallatin and 22 more87 min
Jul 31, 1:51 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more84 min
Jul 31, 3:51 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Champaign, Cook, DeKalb and 25 more84 min
Jul 31, 6:30 PM CDTMesoscale DiscussionSPCHenderson, Mercer, Rock Island90 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 archive20072009

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.