Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2013
192 mesoscale discussions in 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 2013. Tap one for its archive.
- Mesoscale Discussions
- 192
- Busiest month
- June48 mesoscale discussions
- Busiest day
- April 18, 201311 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 10, 5:40 PM CST | Mesoscale Discussion | SPC | Alexander, Pulaski | 2 hr |
| Jan 12, 3:45 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, McDonough and 6 more | 6 hr |
| Jan 12, 6:17 PM CST | Mesoscale Discussion | SPC | Bond, Boone, Bureau, Champaign, Christian, Clinton and 42 more | 6 hr |
| Jan 13, 12:09 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edwards, Franklin, Hamilton, Jasper and 9 more | 4 hr |
| Jan 27, 2:36 AM CST | Mesoscale Discussion | SPC | Adams, Calhoun, Pike | 4 hr |
| Jan 27, 6:40 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Fulton, Hancock, Henderson, Henry and 6 more | 5 hr |
| Jan 27, 11:48 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 18 more | 4 hr |
| Jan 27, 3:31 PM CST | Mesoscale Discussion | SPC | Cook, DuPage, Will | 4 hr |
| Jan 28, 9:59 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 2 hr |
| Jan 29, 11:54 AM CST | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Monroe and 5 more | 96 min |
| Jan 29, 3:31 PM CST | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Monroe | 89 min |
| Jan 29, 6:08 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 39 more | 2 hr |
| Jan 29, 9:19 PM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edwards, Franklin and 22 more | 86 min |
| Feb 7, 5:57 AM CST | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kankakee and 4 more | 4 hr |
| Feb 7, 1:40 PM CST | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Kane, Kendall, Lake and 1 more | 4 hr |
| Feb 21, 11:19 AM CST | Mesoscale Discussion | SPC | Calhoun | 4 hr |
| Feb 21, 12:46 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Fayette, Franklin, Greene and 19 more | 4 hr |
| Feb 21, 3:37 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, Clark, Clay and 28 more | 4 hr |
| Feb 21, 7:46 PM CST | Mesoscale Discussion | SPC | Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 17 more | 4 hr |
| Feb 26, 2:22 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 14 more | 5 hr |
| Mar 5, 1:36 PM CST | Mesoscale Discussion | SPC | Cook, DuPage, Kane, Kankakee, Will | 4 hr |
| Mar 24, 7:29 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Madison, Pike | 4 hr |
| Mar 24, 9:12 AM CDT | Mesoscale Discussion | SPC | Cass, Christian, DeWitt, Effingham, Fayette, Logan and 9 more | 3 hr |
| Mar 24, 11:52 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 27 more | 5 hr |
| Apr 10, 12:36 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Coles, Crawford and 11 more | 84 min |
| Apr 10, 1:03 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Monroe, Perry, Randolph, Saint Clair and 2 more | 117 min |
| Apr 10, 2:59 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more | 61 min |
| Apr 10, 3:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Franklin, Jackson, Jefferson and 10 more | 119 min |
| Apr 10, 6:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Brown, Calhoun, Cass, Champaign and 39 more | 96 min |
| Apr 10, 7:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 31 more | 95 min |
| Apr 10, 8:00 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, DeWitt, Douglas, Edgar and 17 more | 2 hr |
| Apr 10, 11:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Cumberland, Edwards, Effingham and 19 more | 97 min |
| Apr 15, 8:59 PM CDT | Mesoscale Discussion | SPC | Monroe | 61 min |
| Apr 16, 12:02 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 21 more | 28 min |
| Apr 16, 2:54 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski | 96 min |
| Apr 16, 8:02 PM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 1 more | 88 min |
| Apr 16, 8:44 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 35 more | 2 hr |
| Apr 17, 8:49 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, DeWitt, Ford and 32 more | 56 min |
| Apr 17, 9:30 AM CDT | Mesoscale Discussion | SPC | Hardin | 2 hr |
| Apr 17, 1:33 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 57 min |
| Apr 17, 3:04 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Cumberland and 26 more | 56 min |
| Apr 17, 3:38 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 97 min |
| Apr 17, 3:53 PM CDT | Mesoscale Discussion | SPC | Hardin, Pope | 67 min |
| Apr 17, 6:02 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike | 88 min |
| Apr 17, 6:46 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 18 more | 89 min |
| Apr 17, 8:21 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 84 min |
| Apr 17, 8:53 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike, Scott | 97 min |
| Apr 17, 10:48 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, DeWitt, Douglas, Edgar and 12 more | 57 min |
| Apr 17, 11:46 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Morgan, Pike, Scott | 89 min |
| Apr 18, 2:01 AM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 89 min |
| Apr 18, 4:02 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Monroe | 58 min |
| Apr 18, 5:36 AM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Fayette, Madison, Monroe, Montgomery and 3 more | 54 min |
| Apr 18, 7:25 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 17 more | 95 min |
| Apr 18, 11:14 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Jasper, Lawrence, Marion and 4 more | 2 hr |
| Apr 18, 12:48 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 87 min |
| Apr 18, 2:47 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Lawrence | 88 min |
| Apr 18, 8:57 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin | 63 min |
| Apr 29, 9:00 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, Lake, McHenry, Ogle and 2 more | 2 hr |
| May 9, 4:57 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 19 more | 2 hr |
| May 19, 11:30 AM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson, Mercer, Pike | 90 min |
| May 19, 6:08 PM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Knox, Lee, Marshall, Peoria and 4 more | 67 min |
| May 19, 7:13 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Mercer, Rock Island, Warren | 62 min |
| May 19, 7:46 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Henry, Jo Daviess, Knox and 11 more | 59 min |
| May 19, 10:16 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Pike | 59 min |
| May 19, 10:58 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Fulton, Hancock and 22 more | 62 min |
| May 20, 3:27 PM CDT | Mesoscale Discussion | SPC | Brown, Calhoun, Cass, Champaign, Christian, DeWitt and 21 more | 63 min |
| May 20, 5:07 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 9 more | 23 min |
| May 20, 7:17 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DeWitt, DuPage and 25 more | 58 min |
| May 20, 8:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Pike | 23 min |
| May 20, 8:53 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 27 more | 67 min |
| May 20, 10:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Champaign, Clark, Clay, Coles, Crawford and 33 more | 65 min |
| May 21, 2:59 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more | 91 min |
| May 27, 12:39 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Christian, Clark, Clay and 22 more | 96 min |
| May 27, 5:54 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edgar, Edwards and 18 more | 96 min |
| May 28, 3:30 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 11 more | 90 min |
| May 28, 5:52 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson, McDonough | 83 min |
| May 30, 11:20 AM CDT | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 115 min |
| May 30, 11:29 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 47 more | 61 min |
| May 30, 2:16 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Boone, Brown, Bureau, Calhoun and 53 more | 59 min |
| May 30, 3:52 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Boone, Brown, Bureau, Calhoun and 56 more | 113 min |
| May 30, 7:04 PM CDT | Mesoscale Discussion | SPC | Bond, Boone, Calhoun, Champaign, Christian, Clark and 56 more | 56 min |
| May 30, 10:03 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Cook, Crawford and 11 more | 87 min |
| May 31, 8:45 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 5 more | 90 min |
| May 31, 5:21 PM CDT | Mesoscale Discussion | SPC | Calhoun, Christian, Greene, Jersey, Logan, Macoupin and 4 more | 54 min |
| May 31, 7:05 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Greene, Jersey, Macon and 5 more | 85 min |
| May 31, 8:46 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Coles, Cumberland, Effingham and 16 more | 59 min |
| May 31, 9:47 PM CDT | Mesoscale Discussion | SPC | Iroquois | 58 min |
| Jun 1, 1:13 AM CDT | Mesoscale Discussion | SPC | Crawford, Lawrence, Wabash | 2 hr |
| Jun 1, 1:51 AM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 114 min |
| Jun 1, 3:46 AM CDT | Mesoscale Discussion | SPC | Massac | 29 min |
| Jun 9, 1:28 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 37 more | 62 min |
| Jun 9, 5:03 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 18 more | 87 min |
| Jun 11, 1:41 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 17 more | 64 min |
| Jun 11, 3:49 PM CDT | Mesoscale Discussion | SPC | DeKalb, DuPage, Kane, Kankakee, Kendall, Ogle and 1 more | 56 min |
| Jun 12, 10:26 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more | 64 min |
| Jun 12, 12:49 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Whiteside | 56 min |
| Jun 12, 3:38 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 4 more | 97 min |
| Jun 12, 4:06 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 12 more | 54 min |
| Jun 12, 5:56 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 94 min |
| Jun 12, 6:40 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 17 more | 95 min |
| Jun 12, 8:47 PM CDT | Mesoscale Discussion | SPC | Iroquois, Kankakee, Vermilion | 88 min |
| Jun 12, 8:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Jo Daviess, Lee, Ogle, Stephenson and 1 more | 37 min |
| Jun 12, 11:50 PM CDT | Mesoscale Discussion | SPC | Champaign, Cook, DuPage, Ford, Grundy, Iroquois and 7 more | 85 min |
| Jun 15, 3:56 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Hancock, Henderson and 6 more | 2 hr |
| Jun 18, 1:04 PM CDT | Mesoscale Discussion | SPC | Cass, Christian, Clark, Coles, Crawford, Cumberland and 11 more | 86 min |
| Jun 18, 5:38 PM CDT | Mesoscale Discussion | SPC | Christian, Clark, Clay, Coles, Crawford, Cumberland and 12 more | 67 min |
| Jun 21, 8:07 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 15 more | 53 min |
| Jun 21, 10:12 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, DeKalb, DuPage, Grundy, Henry and 12 more | 2 hr |
| Jun 21, 5:15 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Coles, Crawford and 16 more | 60 min |
| Jun 23, 2:26 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Cass, DeKalb and 28 more | 94 min |
| Jun 23, 2:56 PM CDT | Mesoscale Discussion | SPC | Calhoun | 94 min |
| Jun 24, 10:35 AM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 55 min |
| Jun 24, 2:11 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 50 more | 2 hr |
| Jun 24, 6:00 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 11 more | 75 min |
| Jun 24, 8:11 PM CDT | Mesoscale Discussion | SPC | Champaign, Douglas, Vermilion | 64 min |
| Jun 25, 2:38 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Kane, Lake, McHenry and 1 more | 97 min |
| Jun 25, 7:52 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 8 more | 53 min |
| Jun 25, 12:43 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 53 more | 3 hr |
| Jun 25, 3:15 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lake and 4 more | 3 hr |
| Jun 25, 5:49 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, DeWitt, Douglas, Ford, Fulton and 21 more | 56 min |
| Jun 25, 9:20 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Crawford and 27 more | 85 min |
| Jun 25, 9:44 PM CDT | Mesoscale Discussion | SPC | Hancock | 91 min |
| Jun 26, 1:43 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 10 more | 92 min |
| Jun 26, 3:32 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Fulton and 24 more | 88 min |
| Jun 26, 5:46 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Edwards and 30 more | 89 min |
| Jun 26, 11:11 AM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Lawrence, Richland, Wabash | 2 hr |
| Jun 26, 2:50 PM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Jefferson, Marion and 4 more | 115 min |
| Jun 26, 3:40 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Calhoun, Clinton, Greene, Jersey and 7 more | 95 min |
| Jun 26, 6:54 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 96 min |
| Jun 27, 12:42 PM CDT | Mesoscale Discussion | SPC | Lake, McHenry | 3 hr |
| Jun 27, 6:12 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 2 hr |
| Jun 28, 12:36 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 5 more | 54 min |
| Jul 10, 7:57 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Douglas, Edgar, Ford and 3 more | 3 hr |
| Jul 10, 12:50 PM CDT | Mesoscale Discussion | SPC | Hardin | 85 min |
| Jul 22, 9:08 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Jo Daviess, Kane and 6 more | 67 min |
| Jul 23, 7:13 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 92 min |
| Jul 25, 7:04 PM CDT | Mesoscale Discussion | SPC | Mercer, Rock Island | 116 min |
| Jul 26, 4:23 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Cass, DeKalb, Fulton and 20 more | 2 hr |
| Aug 2, 2:24 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Champaign, Cook, DeKalb, DeWitt and 33 more | 66 min |
| Aug 6, 9:37 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 113 min |
| Aug 7, 2:41 AM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Mercer, Rock Island, Warren and 1 more | 2 hr |
| Aug 7, 5:32 AM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Mercer, Rock Island, Warren and 1 more | 103 min |
| Aug 7, 6:36 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 114 min |
| Aug 7, 7:52 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 113 min |
| Aug 7, 1:46 PM CDT | Mesoscale Discussion | SPC | Cook, DeWitt, DuPage, Ford, Fulton, Grundy and 14 more | 119 min |
| Aug 12, 10:57 AM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 93 min |
| Aug 12, 3:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Pulaski, Union, Williamson | 83 min |
| Aug 22, 1:51 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 16 more | 2 hr |
| Aug 27, 8:29 PM CDT | Mesoscale Discussion | SPC | Lake | 61 min |
| Aug 30, 12:24 PM CDT | Mesoscale Discussion | SPC | Boone, Lake, McHenry, Stephenson, Winnebago | 2 hr |
| Aug 30, 5:14 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 14 more | 61 min |
| Aug 30, 7:10 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 65 min |
| Aug 30, 8:32 PM CDT | Mesoscale Discussion | SPC | DeKalb, Grundy, Kankakee, Kendall, LaSalle, Lee and 3 more | 58 min |
| Aug 31, 2:24 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 49 more | 2 hr |
| Aug 31, 6:05 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Jackson, Monroe, Perry, Randolph and 2 more | 85 min |
| Aug 31, 6:09 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Crawford, Cumberland and 17 more | 66 min |
| Aug 31, 9:12 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 14 more | 63 min |
| Sep 1, 1:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Coles, Crawford, Cumberland and 17 more | 3 hr |
| Sep 1, 6:11 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Cass, DeKalb, DeWitt and 27 more | 2 hr |
| Sep 7, 4:01 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 119 min |
| Sep 19, 4:29 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 14 more | 91 min |
| Sep 19, 7:36 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Henry, Jo Daviess, Lee and 7 more | 114 min |
| Oct 3, 5:08 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Bureau, Calhoun, Cass, Champaign and 51 more | 97 min |
| Oct 3, 9:15 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 90 min |
| Oct 4, 4:35 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess | 85 min |
| Oct 4, 9:03 AM CDT | Mesoscale Discussion | SPC | Bureau, Henderson, Henry, Knox, Mercer, Putnam and 4 more | 87 min |
| Oct 4, 10:29 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 91 min |
| Oct 5, 12:29 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Clark, Clay, Clinton, Coles and 45 more | 2 hr |
| Oct 30, 9:29 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Pike | 91 min |
| Oct 30, 1:26 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 29 more | 94 min |
| Oct 31, 12:31 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Fayette, Franklin and 20 more | 89 min |
| Oct 31, 5:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more | 89 min |
| Oct 31, 7:44 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 2 hr |
| Nov 16, 11:29 PM CST | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Pulaski, Union, Williamson | 61 min |
| Nov 17, 2:06 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 84 min |
| Nov 17, 7:47 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Carroll and 55 more | 88 min |
| Nov 17, 10:17 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 118 min |
| Nov 17, 10:49 AM CST | Mesoscale Discussion | SPC | Bond, Boone, Bureau, Calhoun, Cass, Champaign and 56 more | 86 min |
| Nov 17, 11:57 AM CST | Mesoscale Discussion | SPC | Champaign, Coles, Cook, DeWitt, Douglas, DuPage and 11 more | 93 min |
| Nov 17, 11:57 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 93 min |
| Nov 17, 1:05 PM CST | Mesoscale Discussion | SPC | Alexander, Hamilton, Johnson, Massac, Pope, Pulaski and 4 more | 55 min |
| Nov 17, 1:13 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Edwards, Jasper, Lawrence and 3 more | 77 min |
| Nov 17, 2:43 PM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 8 more | 62 min |
| Dec 5, 12:00 PM CST | Mesoscale Discussion | SPC | Clay, Edwards, Franklin, Hamilton, Jackson, Jefferson and 12 more | 5 hr |
| Dec 5, 6:25 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 35 more | 5 hr |
| Dec 6, 2:39 AM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Saline | 5 hr |
| Dec 6, 6:46 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 1 more | 5 hr |
| Dec 6, 11:31 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more | 4 hr |
| Dec 6, 3:02 PM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope | 3 hr |
| Dec 13, 11:31 PM CST | Mesoscale Discussion | SPC | Bond, Clinton, Jersey, Madison, Monroe, Randolph and 2 more | 5 hr |
| Dec 21, 2:37 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Pike, Scott | 4 hr |
| Dec 21, 12:53 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 8 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County44
- Fayette County41
- Jersey County41
- Greene County41
- Macon County40
- Scott County38
- Bond County38
- DeKalb County38
- Kendall County38
- Hamilton County38
- Mason County37
- Menard County37
- Morgan County37
- Pike County37
- Kane County37
- LaSalle County37
- Montgomery County37
- Sangamon County37
- Shelby County37
- Christian County36
- DeWitt County36
- Douglas County36
- Grundy County36
- McHenry County36
- Madison County36
- Moultrie County36
- Will County36
- Marion County36
- Boone County35
- Logan County35
- Piatt County35
- Putnam County35
- Crawford County35
- Lawrence County35
- Saline County35
- Wayne County35
- Bureau County34
- Champaign County34
- DuPage County34
- Ford County34
62 more counties
- Livingston County34
- Macoupin County34
- Franklin County34
- Jasper County34
- Richland County34
- Union County34
- White County34
- Williamson County34
- Clay County34
- Coles County34
- Effingham County34
- Jackson County34
- Perry County34
- Cass County33
- Clinton County33
- Iroquois County33
- Kankakee County33
- Lee County33
- Ogle County33
- Randolph County33
- Tazewell County33
- Johnson County33
- Whiteside County33
- Gallatin County33
- Washington County33
- Marshall County32
- Clark County32
- Edwards County32
- Wabash County32
- Cumberland County32
- Hardin County32
- Jefferson County32
- Fulton County31
- Henry County31
- McLean County31
- Monroe County31
- Saint Clair County31
- Stark County31
- Edgar County31
- Vermilion County31
- Alexander County30
- Pulaski County30
- Brown County30
- Woodford County30
- Rock Island County30
- Knox County29
- Peoria County29
- Mercer County29
- Massac County29
- Pope County29
- Adams County28
- Hancock County27
- Stephenson County27
- Winnebago County27
- McDonough County26
- Carroll County26
- Lake County25
- Henderson County25
- Jo Daviess County25
- Schuyler County24
- Cook County24
- Warren County24
The busiest days
Days with the most alerts issued, by UTC date.
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.