Alert archive / Illinois / Mesoscale Discussions / 2013

Mesoscale Discussions in Illinois, May 2013

26 mesoscale discussions in May 2013. 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 2013. Tap one for its archive.

Mesoscale Discussions
26
Busiest day
May 20, 20136 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 9, 4:57 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Coles, Crawford and 19 more2 hr
May 19, 11:30 AM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson, Mercer, Pike90 min
May 19, 6:08 PM CDTMesoscale DiscussionSPCBureau, Fulton, Knox, Lee, Marshall, Peoria and 4 more67 min
May 19, 7:13 PM CDTMesoscale DiscussionSPCHancock, Henderson, Henry, Mercer, Rock Island, Warren62 min
May 19, 7:46 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Henry, Jo Daviess, Knox and 11 more59 min
May 19, 10:16 PM CDTMesoscale DiscussionSPCAdams, Brown, Pike59 min
May 19, 10:58 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Fulton, Hancock and 22 more62 min
May 20, 3:27 PM CDTMesoscale DiscussionSPCBrown, Calhoun, Cass, Champaign, Christian, DeWitt and 21 more63 min
May 20, 5:07 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Greene, Jersey and 9 more23 min
May 20, 7:17 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DeWitt, DuPage and 25 more58 min
May 20, 8:07 PM CDTMesoscale DiscussionSPCCalhoun, Pike23 min
May 20, 8:53 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 27 more67 min
May 20, 10:25 PM CDTMesoscale DiscussionSPCAlexander, Champaign, Clark, Clay, Coles, Crawford and 33 more65 min
May 21, 2:59 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more91 min
May 27, 12:39 PM CDTMesoscale DiscussionSPCBond, Brown, Calhoun, Christian, Clark, Clay and 22 more96 min
May 27, 5:54 PM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edgar, Edwards and 18 more96 min
May 28, 3:30 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 11 more90 min
May 28, 5:52 PM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson, McDonough83 min
May 30, 11:20 AM CDTMesoscale DiscussionSPCJo Daviess, Stephenson115 min
May 30, 11:29 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 47 more61 min
May 30, 2:16 PM CDTMesoscale DiscussionSPCAdams, Bond, Boone, Brown, Bureau, Calhoun and 53 more59 min
May 30, 3:52 PM CDTMesoscale DiscussionSPCAdams, Bond, Boone, Brown, Bureau, Calhoun and 56 more113 min
May 30, 7:04 PM CDTMesoscale DiscussionSPCBond, Boone, Calhoun, Champaign, Christian, Clark and 56 more56 min
May 30, 10:03 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Cook, Crawford and 11 more87 min
May 31, 8:45 AM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Greene, Jersey, Macoupin and 5 more90 min
May 31, 5:21 PM CDTMesoscale DiscussionSPCCalhoun, Christian, Greene, Jersey, Logan, Macoupin and 4 more54 min

By county

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

61 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20122014

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.