Alert archive / Illinois / Mesoscale Discussions

Mesoscale Discussions in Illinois, 2003

239 mesoscale discussions in 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 2003. Tap one for its archive.

Mesoscale Discussions: 239
Busiest month: July76 mesoscale discussions
Busiest day: May 10, 200311 mesoscale discussions

Over time

By month

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.

Issued	Product	Office	Counties	Lasted
Jan 2, 2:17 AM CST	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clark, Clay and 33 more	118 min
Jan 2, 2:21 AM CST	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clark, Clay and 33 more	114 min
Jan 28, 5:41 PM CST	Mesoscale Discussion	SPC	Bureau, Ford, Fulton, Grundy, Hancock, Henderson and 17 more	5 hr
Feb 3, 2:59 PM CST	Mesoscale Discussion	SPC	Alexander, Bond, Champaign, Clark, Clay, Clinton and 37 more	3 hr
Feb 14, 3:45 PM CST	Mesoscale Discussion	SPC	Carroll, Champaign, DeKalb, DeWitt, DuPage, Fulton and 19 more	5 hr
Feb 14, 9:18 PM CST	Mesoscale Discussion	SPC	Bureau, Grundy, Henry, Iroquois, Kankakee, Kendall and 13 more	6 hr
Feb 23, 10:41 AM CST	Mesoscale Discussion	SPC	Alexander, Pulaski	5 hr
Feb 23, 3:45 PM CST	Mesoscale Discussion	SPC	Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more	5 hr
Mar 4, 10:21 AM CST	Mesoscale Discussion	SPC	Boone, Carroll, DeKalb, Jo Daviess, Kane, Lake and 7 more	4 hr
Mar 8, 1:23 PM CST	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more	3 hr
Mar 8, 4:58 PM CST	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 16 more	2 hr
Mar 12, 9:28 PM CST	Mesoscale Discussion	SPC	Christian, Clark, Coles, Cumberland, Douglas, Greene and 9 more	2 hr
Mar 12, 9:52 PM CST	Mesoscale Discussion	SPC	Monroe, Saint Clair	113 min
Mar 13, 1:35 AM CST	Mesoscale Discussion	SPC	Alexander, Franklin, Hamilton, Jackson, Jefferson, Johnson and 7 more	115 min
Mar 19, 1:29 PM CST	Mesoscale Discussion	SPC	Alexander, Bond, Clark, Clay, Clinton, Coles and 29 more	3 hr
Mar 20, 12:23 PM CST	Mesoscale Discussion	SPC	Hardin	3 hr
Mar 24, 5:54 PM CST	Mesoscale Discussion	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 12 more	3 hr
Mar 28, 7:35 AM CST	Mesoscale Discussion	SPC	Clark, Edgar, Vermilion	3 hr
Mar 28, 10:22 AM CST	Mesoscale Discussion	SPC	Clark, Crawford, Cumberland, Edgar, Edwards, Gallatin and 13 more	113 min
Mar 28, 3:30 PM CST	Mesoscale Discussion	SPC	Hardin, Wabash	2 hr
Mar 28, 5:27 PM CST	Mesoscale Discussion	SPC	Gallatin, Hardin, Wabash	93 min
Apr 4, 7:23 AM CST	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Champaign and 55 more	97 min
Apr 4, 9:47 AM CST	Mesoscale Discussion	SPC	Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 9 more	58 min
Apr 4, 11:10 AM CST	Mesoscale Discussion	SPC	Bond, Calhoun, Cass, Champaign, Christian, Clinton and 24 more	95 min
Apr 4, 1:12 PM CST	Mesoscale Discussion	SPC	Bond, Brown, Calhoun, Cass, Champaign, Christian and 35 more	93 min
Apr 4, 1:29 PM CST	Mesoscale Discussion	SPC	Bureau, Cook, DeKalb, DuPage, Grundy, Kane and 8 more	91 min
Apr 4, 3:10 PM CST	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Coles, Cumberland and 25 more	2 hr
Apr 4, 5:11 PM CST	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 24 more	2 hr
Apr 4, 6:01 PM CST	Mesoscale Discussion	SPC	Clark	59 min
Apr 4, 7:07 PM CST	Mesoscale Discussion	SPC	Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 18 more	83 min
Apr 16, 6:20 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Clinton, Franklin, Jackson, Jefferson and 10 more	115 min
Apr 19, 12:15 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 11 more	3 hr
Apr 20, 1:25 AM CDT	Mesoscale Discussion	SPC	Clinton, Jackson, Monroe, Perry, Randolph, Saint Clair and 1 more	2 hr
Apr 20, 4:00 AM CDT	Mesoscale Discussion	SPC	Jackson, Monroe, Perry, Randolph, Washington	2 hr
Apr 20, 11:52 AM CDT	Mesoscale Discussion	SPC	Alexander, Clark, Clay, Coles, Crawford, Cumberland and 23 more	2 hr
Apr 20, 1:00 PM CDT	Mesoscale Discussion	SPC	Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	3 hr
Apr 25, 6:29 PM CDT	Mesoscale Discussion	SPC	Gallatin, Hardin, Pope, Saline, White	91 min
Apr 28, 1:13 PM CDT	Mesoscale Discussion	SPC	Clay, Crawford, Edwards, Effingham, Fayette, Franklin and 18 more	2 hr
Apr 28, 3:56 PM CDT	Mesoscale Discussion	SPC	Alexander, Jackson, Monroe, Perry, Randolph, Saint Clair and 2 more	2 hr
Apr 29, 12:32 PM CDT	Mesoscale Discussion	SPC	Alexander, Hardin, Jackson, Johnson, Massac, Pope and 4 more	118 min
Apr 29, 5:11 PM CDT	Mesoscale Discussion	SPC	Alexander, Jackson, Monroe, Perry, Pulaski, Randolph and 2 more	2 hr
Apr 30, 11:04 AM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 10 more	116 min
Apr 30, 12:22 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, Christian, Coles and 37 more	113 min
Apr 30, 3:24 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Champaign, DeWitt and 32 more	2 hr
Apr 30, 7:31 PM CDT	Mesoscale Discussion	SPC	Adams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more	119 min
Apr 30, 10:31 PM CDT	Mesoscale Discussion	SPC	Adams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more	89 min
May 1, 1:19 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, DeWitt, Ford, Fulton and 18 more	86 min
May 1, 7:51 AM CDT	Mesoscale Discussion	SPC	Alexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 14 more	114 min
May 4, 7:34 PM CDT	Mesoscale Discussion	SPC	Alexander	116 min
May 4, 8:05 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 73 more	85 min
May 4, 9:26 PM CDT	Mesoscale Discussion	SPC	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more	2 hr
May 5, 1:30 AM CDT	Mesoscale Discussion	SPC	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 16 more	90 min
May 5, 1:46 AM CDT	Mesoscale Discussion	SPC	Bond, Christian, Clark, Clay, Clinton, Coles and 25 more	89 min
May 5, 3:41 AM CDT	Mesoscale Discussion	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	34 min
May 5, 6:32 AM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more	88 min
May 5, 9:19 AM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more	56 min
May 5, 10:58 PM CDT	Mesoscale Discussion	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 9 more	2 hr
May 6, 9:37 AM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Crawford, Cumberland and 15 more	113 min
May 6, 1:23 PM CDT	Mesoscale Discussion	SPC	Bond, Clay, Clinton, Crawford, Edwards, Effingham and 17 more	2 hr
May 6, 5:08 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more	2 hr
May 6, 5:33 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more	117 min
May 6, 7:03 PM CDT	Mesoscale Discussion	SPC	Clinton, Franklin, Hamilton, Jackson, Jefferson, Madison and 7 more	117 min
May 6, 9:35 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more	115 min
May 7, 12:42 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 22 more	2 hr
May 8, 12:24 PM CDT	Mesoscale Discussion	SPC	Massac	2 hr
May 8, 2:11 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Christian, Clay and 35 more	2 hr
May 8, 2:20 PM CDT	Mesoscale Discussion	SPC	Massac	85 min
May 8, 7:06 PM CDT	Mesoscale Discussion	SPC	Hamilton, White	54 min
May 8, 9:27 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Carroll, Cass, Champaign and 40 more	93 min
May 8, 11:50 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Hancock, Henderson, Pike, Scott	55 min
May 9, 2:02 PM CDT	Mesoscale Discussion	SPC	Edwards, Lawrence, Wabash, Wayne, White	2 hr
May 9, 2:48 PM CDT	Mesoscale Discussion	SPC	Clinton, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more	117 min
May 9, 4:17 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 21 more	28 min
May 9, 5:44 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 15 more	31 min
May 9, 7:47 PM CDT	Mesoscale Discussion	SPC	Calhoun, Greene, Morgan, Pike, Scott	88 min
May 9, 8:40 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clinton, Coles and 18 more	2 hr
May 9, 10:04 PM CDT	Mesoscale Discussion	SPC	Adams	26 min
May 10, 5:43 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, Fulton and 15 more	92 min
May 10, 9:25 AM CDT	Mesoscale Discussion	SPC	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more	2 hr
May 10, 10:39 AM CDT	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more	2 hr
May 10, 10:54 AM CDT	Mesoscale Discussion	SPC	Adams, Alexander, Bond, Brown, Calhoun, Cass and 69 more	66 min
May 10, 12:38 PM CDT	Mesoscale Discussion	SPC	Clay, Crawford, Jasper, Lawrence, Richland	97 min
May 10, 3:17 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson, Mercer, Rock Island	58 min
May 10, 4:48 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more	87 min
May 10, 6:41 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 14 more	64 min
May 10, 7:06 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 7 more	54 min
May 10, 8:18 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more	117 min
May 10, 8:41 PM CDT	Mesoscale Discussion	SPC	Crawford, Lawrence, Richland, Wabash	2 hr
May 10, 10:56 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Cook, DeKalb, DuPage, Ford and 19 more	94 min
May 11, 1:46 AM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Champaign and 42 more	89 min
May 14, 12:36 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Champaign, Christian and 38 more	84 min
May 14, 2:45 PM CDT	Mesoscale Discussion	SPC	Bureau, Cass, Champaign, Christian, Coles, DeWitt and 32 more	60 min
May 14, 3:23 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson	97 min
May 14, 5:07 PM CDT	Mesoscale Discussion	SPC	Brown, Bureau, Cass, Champaign, DeWitt, Douglas and 28 more	113 min
May 14, 8:15 PM CDT	Mesoscale Discussion	SPC	Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 12 more	60 min
May 14, 9:24 PM CDT	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more	96 min
May 14, 10:10 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 5 more	2 hr
May 28, 12:56 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Champaign, DeKalb, DeWitt, Douglas and 21 more	2 hr
May 28, 3:36 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Coles and 21 more	114 min
May 28, 6:41 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Champaign, Christian, Coles, Cook and 30 more	94 min
May 30, 4:32 AM CDT	Mesoscale Discussion	SPC	Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more	58 min
May 30, 2:06 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Ogle, Stephenson, Whiteside, Winnebago	2 hr
May 30, 2:08 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Ogle, Stephenson, Whiteside, Winnebago	3 hr
May 30, 6:55 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, Fulton, Henry and 21 more	95 min
May 30, 9:04 PM CDT	Mesoscale Discussion	SPC	Clark, Crawford, Edgar	86 min
May 30, 11:21 PM CDT	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more	84 min
Jun 10, 10:24 AM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more	2 hr
Jun 10, 5:07 PM CDT	Mesoscale Discussion	SPC	Jackson, Monroe, Perry, Randolph, Saint Clair, Washington	113 min
Jun 10, 7:28 PM CDT	Mesoscale Discussion	SPC	Randolph	3 hr
Jun 11, 1:19 PM CDT	Mesoscale Discussion	SPC	DeWitt, Ford, Fulton, Iroquois, Livingston, McLean and 5 more	116 min
Jun 18, 1:10 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 16 more	95 min
Jun 19, 12:51 PM CDT	Mesoscale Discussion	SPC	Gallatin, Hardin, Massac, Pope	2 hr
Jun 25, 11:50 AM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Henderson, Henry, Jo Daviess, Lee and 7 more	115 min
Jun 25, 2:43 PM CDT	Mesoscale Discussion	SPC	Adams, Boone, Bureau, Carroll, Hancock, Henderson and 13 more	2 hr
Jun 25, 4:52 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 70 more	113 min
Jun 25, 8:26 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 43 more	94 min
Jun 28, 1:36 PM CDT	Mesoscale Discussion	SPC	Bureau, Ford, Grundy, Henry, Iroquois, Kankakee and 13 more	2 hr
Jun 28, 2:58 PM CDT	Mesoscale Discussion	SPC	Carroll, Jo Daviess, Stephenson, Winnebago	2 hr
Jun 29, 1:56 PM CDT	Mesoscale Discussion	SPC	Douglas, Edgar	94 min
Jul 4, 3:27 AM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Grundy and 12 more	93 min
Jul 4, 7:25 AM CDT	Mesoscale Discussion	SPC	Cook, Lake, McHenry	95 min
Jul 4, 12:48 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more	117 min
Jul 4, 3:29 PM CDT	Mesoscale Discussion	SPC	Champaign, DeWitt, Douglas, Ford, Iroquois, Kankakee and 4 more	2 hr
Jul 4, 5:07 PM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 27 more	53 min
Jul 4, 6:29 PM CDT	Mesoscale Discussion	SPC	Bureau, Champaign, Clark, Coles, DeWitt, Douglas and 29 more	61 min
Jul 4, 8:58 PM CDT	Mesoscale Discussion	SPC	DuPage, Grundy, Iroquois, Kane, Kankakee, Kendall and 1 more	62 min
Jul 4, 10:09 PM CDT	Mesoscale Discussion	SPC	Brown, Cass, Champaign, DeWitt, Douglas, Ford and 20 more	2 hr
Jul 4, 10:45 PM CDT	Mesoscale Discussion	SPC	Jo Daviess, Rock Island	90 min
Jul 5, 2:31 AM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more	89 min
Jul 5, 5:43 AM CDT	Mesoscale Discussion	SPC	Cook, Kankakee, Lake, Will	92 min
Jul 5, 12:55 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Crawford, Cumberland and 14 more	3 hr
Jul 5, 4:34 PM CDT	Mesoscale Discussion	SPC	Champaign, Ford, Iroquois, Vermilion	56 min
Jul 5, 5:18 PM CDT	Mesoscale Discussion	SPC	Cass, DeWitt, Fulton, Hancock, Henderson, Henry and 16 more	57 min
Jul 5, 7:20 PM CDT	Mesoscale Discussion	SPC	Edgar, Iroquois, Vermilion	55 min
Jul 5, 7:51 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, Christian, Clark and 40 more	54 min
Jul 5, 10:46 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, Christian, Clark and 33 more	59 min
Jul 6, 5:17 AM CDT	Mesoscale Discussion	SPC	Carroll, Jo Daviess, Stephenson, Whiteside	118 min
Jul 6, 7:45 AM CDT	Mesoscale Discussion	SPC	Boone, DeKalb, DuPage, Kane, Lake, McHenry	2 hr
Jul 6, 9:48 AM CDT	Mesoscale Discussion	SPC	Adams, Boone, Brown, Bureau, Carroll, Cass and 34 more	117 min
Jul 6, 12:36 PM CDT	Mesoscale Discussion	SPC	Cook, Kankakee	114 min
Jul 6, 2:00 PM CDT	Mesoscale Discussion	SPC	Boone, Brown, Cass, Champaign, Christian, Coles and 35 more	2 hr
Jul 6, 5:28 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Champaign, Christian, Coles and 45 more	62 min
Jul 6, 8:46 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 10 more	59 min
Jul 7, 1:25 AM CDT	Mesoscale Discussion	SPC	Jo Daviess, Stephenson, Winnebago	95 min
Jul 7, 4:22 AM CDT	Mesoscale Discussion	SPC	Jo Daviess, Stephenson	83 min
Jul 7, 6:23 AM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, DeKalb, Grundy, Henry, Kendall and 9 more	97 min
Jul 7, 8:30 AM CDT	Mesoscale Discussion	SPC	Champaign, DeWitt, Douglas, Ford, Grundy, Iroquois and 13 more	60 min
Jul 7, 10:14 AM CDT	Mesoscale Discussion	SPC	Champaign, DeWitt, Ford, Iroquois, McLean, Piatt and 1 more	61 min
Jul 7, 12:14 PM CDT	Mesoscale Discussion	SPC	Bond, Brown, Cass, Champaign, Christian, Clark and 42 more	61 min
Jul 7, 2:35 PM CDT	Mesoscale Discussion	SPC	Boone, Jo Daviess, McHenry, Stephenson, Winnebago	115 min
Jul 7, 4:34 PM CDT	Mesoscale Discussion	SPC	Iroquois, Kankakee, Vermilion, Will	56 min
Jul 7, 7:16 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 9 more	3 hr
Jul 7, 10:18 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more	57 min
Jul 7, 11:50 PM CDT	Mesoscale Discussion	SPC	Iroquois, Vermilion	85 min
Jul 8, 8:50 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Hancock, Henderson, McDonough, Mercer and 2 more	115 min
Jul 8, 12:25 PM CDT	Mesoscale Discussion	SPC	Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 4 more	95 min
Jul 8, 12:59 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more	91 min
Jul 8, 1:21 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Champaign, Christian and 25 more	24 min
Jul 8, 3:40 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Champaign, Christian and 41 more	95 min
Jul 8, 6:46 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, DeWitt, Douglas and 14 more	3 hr
Jul 8, 8:59 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, Christian, Clark and 36 more	2 hr
Jul 9, 2:21 AM CDT	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clark, Clay and 27 more	114 min
Jul 9, 9:54 AM CDT	Mesoscale Discussion	SPC	Bureau, Champaign, Christian, Clark, Coles, Crawford and 28 more	96 min
Jul 9, 12:34 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Clinton, Effingham and 17 more	56 min
Jul 9, 1:35 PM CDT	Mesoscale Discussion	SPC	Champaign, Coles, Douglas, Edgar, Ford, Grundy and 4 more	55 min
Jul 9, 3:12 PM CDT	Mesoscale Discussion	SPC	Clark, Edgar, Kankakee	33 min
Jul 9, 5:04 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Crawford, Cumberland and 18 more	86 min
Jul 9, 5:38 PM CDT	Mesoscale Discussion	SPC	Bureau, Fulton, Hancock, Henderson, Henry, Knox and 12 more	97 min
Jul 9, 8:04 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Champaign and 50 more	56 min
Jul 9, 10:49 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more	56 min
Jul 9, 11:39 PM CDT	Mesoscale Discussion	SPC	Calhoun, Jersey	66 min
Jul 15, 2:40 AM CDT	Mesoscale Discussion	SPC	Adams, Boone, Brown, Bureau, Carroll, Cass and 42 more	3 hr
Jul 17, 1:29 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more	91 min
Jul 17, 6:42 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, Grundy, Henderson and 19 more	2 hr
Jul 17, 11:41 PM CDT	Mesoscale Discussion	SPC	Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 12 more	94 min
Jul 18, 2:01 AM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 13 more	59 min
Jul 18, 2:26 AM CDT	Mesoscale Discussion	SPC	Henderson, Knox, Mercer, Rock Island, Warren	3 hr
Jul 18, 6:15 AM CDT	Mesoscale Discussion	SPC	Adams, Alexander, Bond, Brown, Calhoun, Clinton and 18 more	60 min
Jul 18, 9:06 AM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Calhoun, Clinton, Franklin, Greene and 16 more	84 min
Jul 18, 3:23 PM CDT	Mesoscale Discussion	SPC	Adams, Calhoun, Jersey, Monroe, Pike, Randolph	97 min
Jul 18, 7:34 PM CDT	Mesoscale Discussion	SPC	Calhoun, Greene, Jersey, Monroe, Randolph	56 min
Jul 20, 6:23 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more	97 min
Jul 20, 8:08 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 15 more	2 hr
Jul 20, 9:48 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 12 more	117 min
Jul 20, 11:14 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, DeWitt, Ford and 29 more	2 hr
Jul 21, 1:56 AM CDT	Mesoscale Discussion	SPC	Champaign, Douglas, Edgar, Ford, Iroquois, Macon and 2 more	2 hr
Jul 21, 4:12 AM CDT	Mesoscale Discussion	SPC	Clay, Crawford, Edwards, Effingham, Franklin, Hamilton and 7 more	2 hr
Jul 21, 3:26 PM CDT	Mesoscale Discussion	SPC	Cook	94 min
Jul 27, 10:44 AM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 19 more	91 min
Jul 27, 2:29 PM CDT	Mesoscale Discussion	SPC	Cook, DuPage, Ford, Grundy, Iroquois, Kankakee and 7 more	91 min
Jul 28, 5:02 PM CDT	Mesoscale Discussion	SPC	Alexander, Hardin, Jackson, Johnson, Massac, Monroe and 7 more	118 min
Jul 30, 2:06 PM CDT	Mesoscale Discussion	SPC	Jo Daviess	114 min
Jul 30, 6:22 PM CDT	Mesoscale Discussion	SPC	Carroll, Henderson, Henry, Jo Daviess, Mercer, Ogle and 4 more	113 min
Jul 31, 2:38 PM CDT	Mesoscale Discussion	SPC	Jo Daviess	2 hr
Jul 31, 5:07 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 5 more	53 min
Jul 31, 8:19 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, Jo Daviess, Ogle, Stephenson, Winnebago	116 min
Aug 1, 10:59 AM CDT	Mesoscale Discussion	SPC	Bureau, DeKalb, Ford, Fulton, Grundy, Henderson and 20 more	2 hr
Aug 1, 2:58 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more	2 hr
Aug 1, 5:49 PM CDT	Mesoscale Discussion	SPC	Boone, Brown, Bureau, Cass, DeKalb, Fulton and 29 more	86 min
Aug 1, 7:20 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Hamilton, Jackson, Jefferson, Johnson and 8 more	85 min
Aug 2, 6:48 AM CDT	Mesoscale Discussion	SPC	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	57 min
Aug 2, 9:11 PM CDT	Mesoscale Discussion	SPC	Bond, Clay, Clinton, Coles, Cumberland, Effingham and 9 more	94 min
Aug 3, 3:25 PM CDT	Mesoscale Discussion	SPC	Alexander, Hardin, Jackson, Johnson, Massac, Pope and 3 more	2 hr
Aug 3, 6:15 PM CDT	Mesoscale Discussion	SPC	Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 10 more	105 min
Aug 4, 1:43 PM CDT	Mesoscale Discussion	SPC	Alexander, Massac, Pulaski	2 hr
Aug 11, 12:52 PM CDT	Mesoscale Discussion	SPC	Gallatin, Hardin, Pope, Saline, Wabash, White	83 min
Aug 16, 2:45 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Kane, Kendall and 7 more	2 hr
Aug 16, 6:14 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more	91 min
Aug 17, 1:48 PM CDT	Mesoscale Discussion	SPC	Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 18 more	117 min
Aug 20, 2:15 PM CDT	Mesoscale Discussion	SPC	Adams, Hancock, Henderson, Mercer	90 min
Aug 20, 5:27 PM CDT	Mesoscale Discussion	SPC	Calhoun, Greene, Jersey, Monroe, Pike	2 hr
Aug 20, 6:09 PM CDT	Mesoscale Discussion	SPC	Carroll, Fulton, Hancock, Henderson, Henry, Jo Daviess and 8 more	2 hr
Aug 25, 6:43 PM CDT	Mesoscale Discussion	SPC	Boone, Lake, McHenry, Stephenson, Winnebago	2 hr
Aug 25, 7:03 PM CDT	Mesoscale Discussion	SPC	Mercer, Rock Island	87 min
Aug 26, 12:21 AM CDT	Mesoscale Discussion	SPC	Boone, Jo Daviess, Lake, McHenry, Stephenson, Winnebago	84 min
Aug 26, 11:15 AM CDT	Mesoscale Discussion	SPC	Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 11 more	3 hr
Aug 26, 2:19 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson, McDonough	116 min
Aug 26, 4:45 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, DeWitt, Fulton, Hancock and 14 more	90 min
Aug 28, 3:03 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Carroll, Cass, Fulton and 17 more	117 min
Aug 28, 5:40 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Hancock, Henderson, McDonough and 3 more	65 min
Aug 31, 5:11 PM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 13 more	2 hr
Aug 31, 7:11 PM CDT	Mesoscale Discussion	SPC	Christian, Clark, Clay, Coles, Crawford, Cumberland and 13 more	94 min
Aug 31, 9:44 PM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Crawford, Cumberland and 8 more	2 hr
Sep 1, 1:43 PM CDT	Mesoscale Discussion	SPC	Crawford, Edwards, Franklin, Gallatin, Hamilton, Hardin and 7 more	2 hr
Sep 1, 3:38 PM CDT	Mesoscale Discussion	SPC	Crawford, Edwards, Jasper, Lawrence, Richland, Saline and 3 more	97 min
Sep 23, 11:41 PM CDT	Mesoscale Discussion	SPC	Bureau, DeKalb, DuPage, Ford, Grundy, Iroquois and 11 more	2 hr
Sep 24, 12:41 PM CDT	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clinton, Coles and 40 more	2 hr
Sep 24, 3:26 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 33 more	94 min
Sep 26, 12:21 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, DeWitt and 23 more	114 min
Sep 26, 4:32 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Clay, Coles, Crawford and 19 more	88 min
Sep 26, 5:06 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 26 more	84 min
Sep 26, 6:59 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Coles and 17 more	91 min
Sep 26, 7:56 PM CDT	Mesoscale Discussion	SPC	Lawrence, Wabash	94 min
Sep 26, 9:21 PM CDT	Mesoscale Discussion	SPC	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more	54 min
Sep 26, 11:06 PM CDT	Mesoscale Discussion	SPC	Clark, Crawford, Lawrence	84 min
Nov 12, 11:13 AM CST	Mesoscale Discussion	SPC	Alexander, Hardin, Johnson, Massac, Pope, Pulaski	2 hr
Nov 18, 1:29 AM CST	Mesoscale Discussion	SPC	Alexander, Pulaski	3 hr
Nov 18, 7:35 AM CST	Mesoscale Discussion	SPC	Alexander, Clark, Clay, Coles, Crawford, Cumberland and 24 more	115 min
Nov 23, 12:59 PM CST	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more	3 hr

By county

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

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2002 2004

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.