Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2012
188 mesoscale discussions in 2012. 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 2012. Tap one for its archive.
- Mesoscale Discussions
- 188
- Busiest month
- September31 mesoscale discussions
- Busiest day
- March 2, 20127 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 17, 1:50 AM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 31 more | 85 min |
| Jan 17, 6:25 AM CST | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edgar, Edwards and 15 more | 65 min |
| Jan 20, 5:32 PM CST | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 19 more | 5 hr |
| Jan 22, 5:37 PM CST | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 21 more | 113 min |
| Jan 22, 8:25 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 21 more | 2 hr |
| Jan 22, 8:37 PM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Hamilton, Jackson, Jefferson, Johnson and 9 more | 83 min |
| Jan 22, 10:49 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edwards, Gallatin, Hardin, Lawrence and 2 more | 86 min |
| Feb 23, 2:21 PM CST | Mesoscale Discussion | SPC | Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 3 more | 84 min |
| Feb 23, 8:45 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 11 more | 5 hr |
| Feb 29, 12:49 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Franklin and 24 more | 56 min |
| Feb 29, 3:53 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 25 more | 97 min |
| Mar 2, 1:46 AM CST | Mesoscale Discussion | SPC | Jackson, Monroe, Perry, Randolph, Saint Clair | 89 min |
| Mar 2, 4:25 AM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 30 more | 95 min |
| Mar 2, 7:50 AM CST | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 12 more | 85 min |
| Mar 2, 9:22 AM CST | Mesoscale Discussion | SPC | Alexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 13 more | 113 min |
| Mar 2, 10:02 AM CST | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 3 more | 88 min |
| Mar 2, 11:06 AM CST | Mesoscale Discussion | SPC | Boone, Carroll, Hancock, Henderson, Henry, Jo Daviess and 9 more | 4 hr |
| Mar 2, 12:05 PM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Saline and 2 more | 85 min |
| Mar 12, 11:03 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Henry and 7 more | 57 min |
| Mar 14, 1:56 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 2 hr |
| Mar 15, 1:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 15 more | 2 hr |
| Mar 15, 5:02 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, DeWitt, Ford, Fulton, Greene and 19 more | 2 hr |
| Mar 18, 1:41 AM CDT | Mesoscale Discussion | SPC | Bond, Bureau, Cass, Champaign, Christian, Clark and 41 more | 94 min |
| Mar 23, 9:46 AM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more | 119 min |
| Mar 23, 1:28 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edwards and 10 more | 62 min |
| Mar 23, 1:58 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 12 more | 2 hr |
| Mar 23, 3:17 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 9 more | 58 min |
| Mar 23, 6:43 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 18 more | 32 min |
| Mar 23, 7:01 PM CDT | Mesoscale Discussion | SPC | Ford, Iroquois, Kankakee | 59 min |
| Mar 27, 3:58 PM CDT | Mesoscale Discussion | SPC | Carroll, Henderson, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 2 hr |
| Mar 27, 8:43 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cook, DuPage, Fulton and 22 more | 2 hr |
| Mar 30, 1:12 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 25 more | 93 min |
| Mar 30, 7:26 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Hamilton, Jasper and 8 more | 64 min |
| Mar 30, 9:25 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Jackson, Saline and 3 more | 35 min |
| Mar 31, 8:52 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, Henderson, Henry, Jo Daviess and 14 more | 53 min |
| Apr 1, 1:33 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Fulton, Grundy and 21 more | 117 min |
| Apr 1, 7:56 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Fulton, Grundy and 21 more | 2 hr |
| Apr 3, 2:17 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, DeWitt, Douglas and 29 more | 88 min |
| Apr 14, 9:54 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 12 more | 96 min |
| Apr 15, 4:22 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clinton and 31 more | 83 min |
| Apr 15, 6:12 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 25 more | 63 min |
| Apr 15, 7:28 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 5 more | 62 min |
| Apr 25, 4:36 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 47 more | 84 min |
| Apr 25, 10:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 40 more | 2 hr |
| Apr 26, 2:23 AM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more | 97 min |
| Apr 28, 1:17 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Crawford, Cumberland and 24 more | 88 min |
| Apr 28, 2:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 13 more | 64 min |
| Apr 28, 5:59 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clark, Clay, Clinton, Crawford and 20 more | 2 hr |
| Apr 28, 6:12 PM CDT | Mesoscale Discussion | SPC | Franklin, Hamilton, Jefferson, Monroe, Perry, Randolph and 3 more | 2 hr |
| Apr 30, 12:03 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Cumberland, Edgar and 20 more | 117 min |
| May 1, 3:39 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 5 more | 2 hr |
| May 2, 2:46 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Edgar, Effingham and 2 more | 119 min |
| May 3, 2:53 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Lake and 3 more | 67 min |
| May 3, 3:53 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, DeWitt, Fulton, Greene and 22 more | 37 min |
| May 3, 6:22 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Kane, Kendall, Lake and 1 more | 23 min |
| May 3, 6:42 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Fulton, Greene and 17 more | 63 min |
| May 3, 10:29 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 7 more | 61 min |
| May 3, 11:18 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, DeWitt, Fulton and 22 more | 27 min |
| May 4, 2:16 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, DeWitt, Ford and 25 more | 119 min |
| May 4, 11:36 AM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 17 more | 84 min |
| May 4, 7:57 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Crawford and 25 more | 63 min |
| May 4, 10:18 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Franklin, Greene, Hamilton and 11 more | 87 min |
| May 5, 12:55 AM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 1 more | 95 min |
| May 5, 5:06 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, White | 114 min |
| May 6, 8:40 AM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 12 more | 65 min |
| May 6, 1:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Grundy, Hancock and 20 more | 53 min |
| May 6, 3:56 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, DeWitt, Ford and 32 more | 64 min |
| May 6, 5:07 PM CDT | Mesoscale Discussion | SPC | Clark, Edgar, Iroquois, Vermilion | 53 min |
| May 15, 2:51 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 7 more | 54 min |
| May 15, 4:58 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more | 62 min |
| May 20, 1:17 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Carroll, Cass, DeKalb and 32 more | 118 min |
| May 20, 1:33 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Gallatin, Hamilton and 18 more | 87 min |
| May 20, 3:50 PM CDT | Mesoscale Discussion | SPC | DeKalb, DuPage, Kane, McHenry | 85 min |
| May 24, 6:33 AM CDT | Mesoscale Discussion | SPC | Jo Daviess | 57 min |
| May 25, 3:09 PM CDT | Mesoscale Discussion | SPC | Henderson, Mercer | 2 hr |
| May 26, 6:31 AM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 89 min |
| May 28, 12:00 PM CDT | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 60 min |
| May 28, 4:59 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 15 more | 91 min |
| May 31, 1:56 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac | 64 min |
| Jun 2, 1:05 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Carroll and 65 more | 115 min |
| Jun 4, 2:38 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Franklin, Gallatin and 24 more | 2 hr |
| Jun 4, 6:27 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more | 93 min |
| Jun 4, 9:11 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 94 min |
| Jun 11, 11:23 AM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Effingham, Franklin, Gallatin, Hamilton and 15 more | 97 min |
| Jun 11, 1:12 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 93 min |
| Jun 11, 3:29 PM CDT | Mesoscale Discussion | SPC | Hardin, Johnson, Massac, Pope, Pulaski, Union | 2 hr |
| Jun 16, 12:42 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Fulton, Hancock and 13 more | 63 min |
| Jun 16, 3:38 PM CDT | Mesoscale Discussion | SPC | Carroll, Fulton, Hancock, Henderson, Henry, Knox and 6 more | 97 min |
| Jun 16, 6:10 PM CDT | Mesoscale Discussion | SPC | Bureau, DeKalb, DuPage, Grundy, Henry, Kane and 10 more | 95 min |
| Jun 16, 7:58 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clinton, Coles and 34 more | 92 min |
| Jun 16, 10:30 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more | 90 min |
| Jun 17, 5:34 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 86 min |
| Jun 28, 5:30 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Kane, Kendall, Lake and 1 more | 90 min |
| Jun 29, 9:22 AM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, DeWitt, Douglas, Edgar, Ford and 21 more | 2 hr |
| Jun 29, 7:33 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Champaign, DeKalb, DeWitt, Ford and 29 more | 87 min |
| Jun 29, 11:46 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, DeWitt, Ford, Fulton, Grundy and 26 more | 119 min |
| Jun 30, 5:55 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 23 more | 3 hr |
| Jul 1, 11:33 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Iroquois, Kane and 4 more | 57 min |
| Jul 1, 1:59 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Johnson and 7 more | 61 min |
| Jul 2, 5:16 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Cass, Christian, Clark and 49 more | 2 hr |
| Jul 2, 7:23 PM CDT | Mesoscale Discussion | SPC | Boone, DuPage, Kane, McHenry, Winnebago | 2 hr |
| Jul 6, 12:42 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 93 min |
| Jul 8, 12:14 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Lawrence, Saline and 4 more | 91 min |
| Jul 8, 6:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 8 more | 3 hr |
| Jul 18, 11:38 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 11 more | 67 min |
| Jul 18, 3:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 20 more | 53 min |
| Jul 18, 6:56 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Jo Daviess and 8 more | 94 min |
| Jul 19, 2:27 PM CDT | Mesoscale Discussion | SPC | Edgar, Vermilion | 93 min |
| Jul 23, 11:13 PM CDT | Mesoscale Discussion | SPC | Stephenson | 92 min |
| Jul 24, 3:32 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 10 more | 58 min |
| Jul 24, 6:35 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 4 more | 55 min |
| Jul 24, 3:25 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Crawford, Edwards, Effingham, Fayette and 20 more | 95 min |
| Jul 25, 3:48 PM CDT | Mesoscale Discussion | SPC | Cook, Will | 117 min |
| Jul 25, 8:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 65 min |
| Jul 25, 11:34 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 7 more | 86 min |
| Jul 26, 1:40 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 15 more | 65 min |
| Jul 26, 12:09 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 2 hr |
| Jul 26, 1:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Cumberland, Edwards and 27 more | 65 min |
| Jul 26, 3:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more | 35 min |
| Jul 26, 6:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 5 more | 61 min |
| Jul 26, 7:55 PM CDT | Mesoscale Discussion | SPC | Massac | 65 min |
| Jul 27, 12:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edgar, Edwards and 21 more | 2 hr |
| Jul 29, 3:25 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more | 2 hr |
| Jul 31, 12:39 AM CDT | Mesoscale Discussion | SPC | Lake, McHenry | 96 min |
| Jul 31, 12:11 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 16 more | 64 min |
| Jul 31, 3:35 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 16 more | 55 min |
| Jul 31, 6:42 PM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Jasper, Lawrence, Richland, Wabash and 1 more | 33 min |
| Aug 2, 11:47 AM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Hamilton, Hardin, Jackson and 13 more | 88 min |
| Aug 2, 7:30 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 90 min |
| Aug 4, 3:08 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 1 more | 2 hr |
| Aug 4, 10:26 AM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 46 more | 49 min |
| Aug 4, 1:09 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Fulton and 28 more | 66 min |
| Aug 4, 3:57 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 63 min |
| Aug 9, 3:16 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 6 more | 89 min |
| Aug 9, 5:11 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Knox, McDonough, Mercer and 4 more | 94 min |
| Aug 9, 7:10 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Crawford, Cumberland and 15 more | 2 hr |
| Aug 13, 3:15 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 30 min |
| Aug 16, 3:57 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more | 3 hr |
| Aug 16, 10:01 AM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 4 more | 89 min |
| Aug 16, 12:47 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 40 more | 88 min |
| Aug 16, 3:07 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edwards and 8 more | 83 min |
| Aug 16, 5:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Crawford and 27 more | 2 hr |
| Aug 31, 1:26 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Franklin, Greene and 14 more | 64 min |
| Aug 31, 6:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Brown, Calhoun, Cass, Champaign and 40 more | 89 min |
| Aug 31, 9:05 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Brown, Calhoun, Cass, Champaign and 39 more | 55 min |
| Sep 1, 12:41 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Champaign, Christian, Clay, Clinton and 36 more | 64 min |
| Sep 1, 3:30 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 51 more | 60 min |
| Sep 1, 5:43 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 7 more | 92 min |
| Sep 1, 7:13 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Edgar, Vermilion | 62 min |
| Sep 1, 7:56 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope, White | 94 min |
| Sep 4, 6:39 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 66 min |
| Sep 4, 8:30 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 60 min |
| Sep 5, 1:14 AM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Rock Island, Stephenson, Whiteside and 1 more | 91 min |
| Sep 5, 3:43 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henderson and 21 more | 92 min |
| Sep 5, 9:04 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Crawford and 28 more | 86 min |
| Sep 5, 1:10 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope | 65 min |
| Sep 5, 2:13 PM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 2 hr |
| Sep 5, 4:02 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 7 more | 88 min |
| Sep 6, 2:03 PM CDT | Mesoscale Discussion | SPC | Jackson, Monroe, Randolph, Saint Clair | 57 min |
| Sep 6, 3:37 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 10 more | 83 min |
| Sep 6, 6:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Jefferson and 9 more | 91 min |
| Sep 7, 10:09 AM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 5 more | 2 hr |
| Sep 7, 3:22 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Crawford and 23 more | 53 min |
| Sep 7, 3:44 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 2 hr |
| Sep 7, 6:06 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more | 84 min |
| Sep 7, 7:39 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 17 more | 66 min |
| Sep 7, 8:24 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 6 more | 96 min |
| Sep 17, 1:30 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Kane, Lake, Lee and 5 more | 60 min |
| Sep 21, 1:36 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, Champaign, Christian, Clark, Clay and 40 more | 84 min |
| Sep 21, 4:59 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Cumberland, Edwards and 23 more | 91 min |
| Sep 21, 6:30 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 10 more | 3 hr |
| Sep 25, 12:51 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Crawford, Edwards and 33 more | 114 min |
| Sep 25, 12:59 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Edwards, Effingham and 21 more | 61 min |
| Sep 25, 6:57 PM CDT | Mesoscale Discussion | SPC | Clinton, Edwards, Franklin, Gallatin, Hamilton, Jefferson and 11 more | 93 min |
| Sep 26, 1:26 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 94 min |
| Oct 14, 2:11 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, Cook, DeWitt, Douglas and 16 more | 2 hr |
| Oct 17, 11:45 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 37 more | 90 min |
| Oct 17, 6:19 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clay, Clinton, Effingham, Fayette and 12 more | 56 min |
| Oct 17, 7:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Pulaski, Union | 85 min |
| Oct 22, 10:04 AM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clinton, Coles, DeWitt and 21 more | 56 min |
| Dec 3, 3:29 PM CST | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 35 more | 91 min |
| Dec 9, 12:38 PM CST | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 2 hr |
| Dec 9, 5:54 PM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 1 more | 96 min |
| Dec 20, 7:49 AM CST | Mesoscale Discussion | SPC | Hancock, Henderson, Mercer, Rock Island | 4 hr |
| Dec 20, 10:52 AM CST | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Calhoun, Carroll and 43 more | 6 hr |
| Dec 25, 8:00 PM CST | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 6 hr |
| Dec 26, 2:25 AM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edwards, Franklin and 18 more | 6 hr |
| Dec 28, 3:44 PM CST | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Franklin County57
- Hamilton County57
- White County57
- Jasper County56
- Jefferson County54
- Perry County53
- Clay County52
- Wayne County52
- Gallatin County52
- Johnson County52
- Crawford County51
- Richland County51
- Hardin County51
- Edwards County50
- Marion County50
- Williamson County50
- Saline County50
- Lawrence County49
- Washington County49
- Massac County49
- Pope County49
- Wabash County48
- Clinton County47
- Jackson County47
- Union County47
- Effingham County46
- Randolph County46
- Pulaski County46
- Cumberland County44
- Alexander County44
- Bond County42
- Clark County41
- Saint Clair County40
- Shelby County40
- Fayette County39
- Coles County37
- Edgar County37
- Knox County37
- Moultrie County36
- Douglas County35
62 more counties
- Henry County35
- Monroe County34
- DeWitt County34
- McLean County34
- LaSalle County34
- Madison County33
- Montgomery County33
- Piatt County33
- Bureau County33
- DeKalb County33
- Fulton County33
- Logan County33
- Peoria County33
- Stark County33
- Whiteside County32
- Marshall County32
- Tazewell County32
- Woodford County32
- Champaign County31
- Macon County31
- Kane County31
- Warren County31
- Kendall County31
- Grundy County31
- Putnam County31
- Carroll County30
- Lee County30
- Rock Island County30
- Boone County29
- McHenry County29
- Mason County29
- Morgan County29
- Christian County28
- Stephenson County28
- Livingston County28
- Menard County28
- DuPage County27
- Mercer County27
- Ogle County27
- Winnebago County27
- Greene County27
- Jersey County27
- Macoupin County27
- Will County27
- Cass County27
- Vermilion County26
- Jo Daviess County26
- Henderson County26
- Sangamon County26
- Iroquois County25
- Calhoun County25
- Ford County24
- Brown County24
- Schuyler County24
- Scott County24
- McDonough County24
- Kankakee County23
- Hancock County23
- Pike County21
- Lake County19
- Adams County18
- Cook County17
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.