Alert archive / Illinois / Mesoscale Discussions / 2003

Mesoscale Discussions in Illinois, May 2003

62 mesoscale discussions in May 2003. 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 2003. Tap one for its archive.

Mesoscale Discussions
62
Busiest day
May 10, 200311 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, 7:31 PM CDTMesoscale DiscussionSPCAdams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more119 min
Apr 30, 10:31 PM CDTMesoscale DiscussionSPCAdams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more89 min
May 1, 1:19 AM CDTMesoscale DiscussionSPCAdams, Brown, Cass, DeWitt, Ford, Fulton and 18 more86 min
May 1, 7:51 AM CDTMesoscale DiscussionSPCAlexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 14 more114 min
May 4, 7:34 PM CDTMesoscale DiscussionSPCAlexander116 min
May 4, 8:05 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 73 more85 min
May 4, 9:26 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more2 hr
May 5, 1:30 AM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 16 more90 min
May 5, 1:46 AM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 25 more89 min
May 5, 3:41 AM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more34 min
May 5, 6:32 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more88 min
May 5, 9:19 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more56 min
May 5, 10:58 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 9 more2 hr
May 6, 9:37 AM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Crawford, Cumberland and 15 more113 min
May 6, 1:23 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Crawford, Edwards, Effingham and 17 more2 hr
May 6, 5:08 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more2 hr
May 6, 5:33 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more117 min
May 6, 7:03 PM CDTMesoscale DiscussionSPCClinton, Franklin, Hamilton, Jackson, Jefferson, Madison and 7 more117 min
May 6, 9:35 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more115 min
May 7, 12:42 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 22 more2 hr
May 8, 12:24 PM CDTMesoscale DiscussionSPCMassac2 hr
May 8, 2:11 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Christian, Clay and 35 more2 hr
May 8, 2:20 PM CDTMesoscale DiscussionSPCMassac85 min
May 8, 7:06 PM CDTMesoscale DiscussionSPCHamilton, White54 min
May 8, 9:27 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Carroll, Cass, Champaign and 40 more93 min
May 8, 11:50 PM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Henderson, Pike, Scott55 min
May 9, 2:02 PM CDTMesoscale DiscussionSPCEdwards, Lawrence, Wabash, Wayne, White2 hr
May 9, 2:48 PM CDTMesoscale DiscussionSPCClinton, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more117 min
May 9, 4:17 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 21 more28 min
May 9, 5:44 PM CDTMesoscale DiscussionSPCChampaign, Christian, Clark, Coles, Cumberland, DeWitt and 15 more31 min
May 9, 7:47 PM CDTMesoscale DiscussionSPCCalhoun, Greene, Morgan, Pike, Scott88 min
May 9, 8:40 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clinton, Coles and 18 more2 hr
May 9, 10:04 PM CDTMesoscale DiscussionSPCAdams26 min
May 10, 5:43 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Christian, Fulton and 15 more92 min
May 10, 9:25 AM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more2 hr
May 10, 10:39 AM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more2 hr
May 10, 10:54 AM CDTMesoscale DiscussionSPCAdams, Alexander, Bond, Brown, Calhoun, Cass and 69 more66 min
May 10, 12:38 PM CDTMesoscale DiscussionSPCClay, Crawford, Jasper, Lawrence, Richland97 min
May 10, 3:17 PM CDTMesoscale DiscussionSPCHancock, Henderson, Mercer, Rock Island58 min
May 10, 4:48 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 25 more87 min
May 10, 6:41 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 14 more64 min
May 10, 7:06 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Hardin, Jackson, Johnson, Massac and 7 more54 min
May 10, 8:18 PM CDTMesoscale DiscussionSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more117 min
May 10, 8:41 PM CDTMesoscale DiscussionSPCCrawford, Lawrence, Richland, Wabash2 hr
May 10, 10:56 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Ford and 19 more94 min
May 11, 1:46 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 42 more89 min
May 14, 12:36 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Cass, Champaign, Christian and 38 more84 min
May 14, 2:45 PM CDTMesoscale DiscussionSPCBureau, Cass, Champaign, Christian, Coles, DeWitt and 32 more60 min
May 14, 3:23 PM CDTMesoscale DiscussionSPCHancock, Henderson97 min
May 14, 5:07 PM CDTMesoscale DiscussionSPCBrown, Bureau, Cass, Champaign, DeWitt, Douglas and 28 more113 min
May 14, 8:15 PM CDTMesoscale DiscussionSPCFranklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 12 more60 min
May 14, 9:24 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more96 min
May 14, 10:10 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Hardin, Jackson, Johnson, Massac and 5 more2 hr
May 28, 12:56 PM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, DeKalb, DeWitt, Douglas and 21 more2 hr
May 28, 3:36 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Coles and 21 more114 min
May 28, 6:41 PM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, Christian, Coles, Cook and 30 more94 min
May 30, 4:32 AM CDTMesoscale DiscussionSPCCarroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more58 min
May 30, 2:06 PM CDTMesoscale DiscussionSPCBoone, Carroll, Ogle, Stephenson, Whiteside, Winnebago2 hr
May 30, 2:08 PM CDTMesoscale DiscussionSPCBoone, Carroll, Ogle, Stephenson, Whiteside, Winnebago3 hr
May 30, 6:55 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Fulton, Henry and 21 more95 min
May 30, 9:04 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar86 min
May 30, 11:21 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more84 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 archive20022004

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. Rebuilt daily.