Alert archive / Illinois / Mesoscale Discussions / 2005

Mesoscale Discussions in Illinois, May 2005

29 mesoscale discussions in May 2005. 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 2005. Tap one for its archive.

Mesoscale Discussions
29
Busiest day
May 19, 20057 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 6, 7:54 PM CDTMesoscale DiscussionSPCBoone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 8 more2 hr
May 9, 12:00 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Ford, Grundy and 15 more90 min
May 9, 3:31 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more89 min
May 9, 5:32 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Grundy and 11 more28 min
May 11, 3:11 AM CDTMesoscale DiscussionSPCBureau, Henry, Lee, Marshall, Mercer, Rock Island and 2 more2 hr
May 11, 8:41 AM CDTMesoscale DiscussionSPCAdams, Hancock2 hr
May 11, 1:37 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Christian, Coles and 22 more113 min
May 11, 3:21 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Cumberland, DeWitt, Douglas and 4 more114 min
May 11, 6:28 PM CDTMesoscale DiscussionSPCChristian, Clark, Clay, Coles, Crawford, Cumberland and 13 more2 hr
May 11, 9:58 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Coles, Crawford and 17 more92 min
May 12, 10:00 PM CDTMesoscale DiscussionSPCCalhoun, Pike90 min
May 13, 12:20 PM CDTMesoscale DiscussionSPCCook, DeWitt, DuPage, Ford, Grundy, Iroquois and 13 more85 min
May 13, 12:41 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 7 more2 hr
May 13, 2:41 PM CDTMesoscale DiscussionSPCCalhoun, Jersey, Macoupin, Madison2 hr
May 13, 4:47 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 12 more88 min
May 13, 7:34 PM CDTMesoscale DiscussionSPCAlexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 17 more26 min
May 13, 10:04 PM CDTMesoscale DiscussionSPCAlexander, Crawford, Edwards, Gallatin, Hamilton, Hardin and 11 more86 min
May 19, 6:58 AM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 34 more92 min
May 19, 10:44 AM CDTMesoscale DiscussionSPCAlexander, Clay, Clinton, Crawford, Edwards, Effingham and 26 more3 hr
May 19, 12:41 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Henry and 16 more2 hr
May 19, 3:36 PM CDTMesoscale DiscussionSPCAlexander, Clark, Clay, Clinton, Coles, Crawford and 27 more84 min
May 19, 3:50 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more85 min
May 19, 5:59 PM CDTMesoscale DiscussionSPCAlexander, Bond, Clark, Clay, Clinton, Coles and 30 more91 min
May 19, 6:30 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more90 min
May 19, 8:31 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Lawrence, Wabash89 min
May 19, 10:24 PM CDTMesoscale DiscussionSPCAlexander, Bond, Christian, Clay, Clinton, Coles and 34 more2 hr
May 20, 4:18 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more57 min
May 23, 4:36 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more84 min
May 27, 12:32 PM CDTMesoscale DiscussionSPCBureau, Champaign, Clark, Coles, Crawford, Cumberland and 28 more118 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 archive20042006

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.