Alert archive / Illinois / Mesoscale Discussions / 2004

Mesoscale Discussions in Illinois, June 2004

31 mesoscale discussions in June 2004. 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 2004. Tap one for its archive.

Mesoscale Discussions
31
Busiest day
June 12, 20046 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
May 31, 8:25 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 19 more2 hr
Jun 1, 1:30 PM CDTMesoscale DiscussionSPCAlexander, Bond, Champaign, Christian, Clark, Clay and 45 more60 min
Jun 1, 7:40 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Saline, Wabash and 1 more65 min
Jun 1, 8:34 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Saline, Wabash and 1 more56 min
Jun 9, 5:54 PM CDTMesoscale DiscussionSPCWhite96 min
Jun 10, 11:46 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 27 more89 min
Jun 10, 5:30 PM CDTMesoscale DiscussionSPCBureau, DeKalb, DuPage, Grundy, Henry, Iroquois and 11 more90 min
Jun 10, 7:58 PM CDTMesoscale DiscussionSPCBureau, Carroll, Champaign, DeWitt, Douglas, Edgar and 27 more92 min
Jun 11, 5:56 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 14 more94 min
Jun 11, 10:04 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Grundy, Jo Daviess and 10 more56 min
Jun 12, 1:48 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more87 min
Jun 12, 3:08 AM CDTMesoscale DiscussionSPCCook, DeKalb, DuPage, Grundy, Iroquois, Kane and 7 more97 min
Jun 12, 10:48 AM CDTMesoscale DiscussionSPCGallatin, Hardin, Massac, Pope2 hr
Jun 12, 3:51 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more84 min
Jun 12, 6:08 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more37 min
Jun 12, 7:09 PM CDTMesoscale DiscussionSPCHenderson, Mercer, Rock Island, Warren96 min
Jun 13, 11:45 AM CDTMesoscale DiscussionSPCCook, Lake90 min
Jun 14, 5:25 AM CDTMesoscale DiscussionSPCBureau, DeKalb, Grundy, Henderson, Henry, Kendall and 12 more3 hr
Jun 14, 7:42 AM CDTMesoscale DiscussionSPCBureau, Carroll, Cass, DeKalb, DeWitt, Ford and 31 more2 hr
Jun 14, 10:03 AM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, Cook, DeKalb, DeWitt and 32 more57 min
Jun 14, 3:15 PM CDTMesoscale DiscussionSPCBond, Calhoun, Greene, Jersey, Macoupin, Madison and 2 more90 min
Jun 15, 8:54 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Coles, Crawford and 13 more2 hr
Jun 16, 9:15 AM CDTMesoscale DiscussionSPCGallatin, Hardin90 min
Jun 16, 3:59 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 6 more2 hr
Jun 16, 5:01 PM CDTMesoscale DiscussionSPCCarroll, Henderson, Henry, Jo Daviess, Lee, Mercer and 6 more89 min
Jun 17, 2:34 PM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edgar, Edwards and 19 more116 min
Jun 18, 1:20 PM CDTMesoscale DiscussionSPCBond, Brown, Calhoun, Cass, Christian, Clinton and 27 more115 min
Jun 18, 3:49 PM CDTMesoscale DiscussionSPCClay, Crawford, Edwards, Effingham, Franklin, Gallatin and 15 more116 min
Jun 18, 6:17 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Crawford, Cumberland, Edwards and 22 more88 min
Jun 23, 11:23 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 25 more2 hr
Jun 23, 3:45 PM CDTMesoscale DiscussionSPCBoone, Jo Daviess, McHenry, Stephenson, Winnebago90 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 archive20032005

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.