Alert archive / Illinois / Mesoscale Discussions / 2010

Mesoscale Discussions in Illinois, July 2010

35 mesoscale discussions in July 2010. 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 2010. Tap one for its archive.

Mesoscale Discussions
35
Busiest day
July 15, 20105 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 11, 3:19 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Jackson, Johnson, Massac, Pope and 3 more56 min
Jul 11, 6:04 PM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski, Union56 min
Jul 12, 7:56 PM CDTMesoscale DiscussionSPCMonroe64 min
Jul 14, 5:57 PM CDTMesoscale DiscussionSPCBoone, McHenry93 min
Jul 14, 9:25 PM CDTMesoscale DiscussionSPCMcHenry95 min
Jul 15, 11:32 AM CDTMesoscale DiscussionSPCChampaign, Coles, Cumberland, Douglas, Edgar, Effingham and 6 more58 min
Jul 15, 2:47 PM CDTMesoscale DiscussionSPCChampaign, Christian, Coles, DeWitt, Douglas, Edgar and 11 more118 min
Jul 15, 4:48 PM CDTMesoscale DiscussionSPCAlexander, Bond, Clay, Clinton, Effingham, Fayette and 14 more87 min
Jul 15, 5:56 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Cumberland, Douglas, Edgar and 5 more94 min
Jul 17, 11:59 PM CDTMesoscale DiscussionSPCJo Daviess, Stephenson91 min
Jul 18, 4:58 AM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Pike62 min
Jul 18, 5:58 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 36 more32 min
Jul 18, 7:19 AM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Henderson, McDonough, Pike and 1 more26 min
Jul 18, 9:21 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more84 min
Jul 19, 10:05 AM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Greene, Jackson, Jersey and 11 more85 min
Jul 19, 2:21 PM CDTMesoscale DiscussionSPCCrawford, Edwards, Lawrence, Richland, Wabash, Wayne and 1 more54 min
Jul 19, 5:24 PM CDTMesoscale DiscussionSPCJackson96 min
Jul 19, 7:21 PM CDTMesoscale DiscussionSPCFulton, Hancock, Henderson, Henry, Knox, Logan and 11 more84 min
Jul 19, 11:02 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Coles and 29 more88 min
Jul 20, 7:33 AM CDTMesoscale DiscussionSPCMonroe, Randolph27 min
Jul 20, 10:59 AM CDTMesoscale DiscussionSPCBond, Clinton, Madison, Monroe, Perry, Randolph and 2 more61 min
Jul 21, 12:34 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Clark and 26 more116 min
Jul 22, 8:25 PM CDTMesoscale DiscussionSPCJo Daviess95 min
Jul 22, 11:00 PM CDTMesoscale DiscussionSPCBoone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more90 min
Jul 23, 1:23 AM CDTMesoscale DiscussionSPCBoone, Jo Daviess, McHenry, Stephenson, Winnebago52 min
Jul 23, 2:30 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more90 min
Jul 23, 11:31 PM CDTMesoscale DiscussionSPCBoone, Cook, Jo Daviess, Kane, Lake, McHenry and 2 more2 hr
Jul 24, 1:21 PM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Coles, DeWitt, Douglas and 30 more54 min
Jul 24, 3:37 PM CDTMesoscale DiscussionSPCBrown, Bureau, Cass, Champaign, Cook, DeWitt and 33 more83 min
Jul 24, 8:03 PM CDTMesoscale DiscussionSPCCalhoun, Cass, Greene, Jersey, Macoupin, Madison and 5 more57 min
Jul 28, 1:25 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Ford, Grundy and 18 more95 min
Jul 28, 6:01 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, DeWitt, Ford and 16 more59 min
Jul 30, 5:01 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Monroe, Pulaski, Randolph, Saint Clair and 1 more89 min
Jul 30, 6:28 PM CDTMesoscale DiscussionSPCMonroe, Randolph62 min
Jul 31, 1:33 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Massac, Pope, Pulaski27 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 archive20092011

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.