Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2015
174 mesoscale discussions in 2015. 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 2015. Tap one for its archive.
- Mesoscale Discussions
- 174
- Busiest month
- June47 mesoscale discussions
- Busiest day
- December 23, 20157 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 5, 12:25 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Knox, Mercer and 4 more | 6 hr |
| Jan 5, 6:29 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, Champaign, DeWitt, Ford, Fulton and 24 more | 5 hr |
| Jan 11, 10:31 AM CST | Mesoscale Discussion | SPC | Clinton, Jackson, Monroe, Perry, Randolph, Saint Clair and 3 more | 4 hr |
| Jan 11, 1:08 PM CST | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Douglas, Edgar, Macon and 3 more | 5 hr |
| Jan 31, 10:13 PM CST | Mesoscale Discussion | SPC | Bureau, Hancock, Henderson, Henry, Knox, LaSalle and 11 more | 6 hr |
| Feb 1, 7:43 AM CST | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kankakee and 4 more | 6 hr |
| Feb 4, 7:34 AM CST | Mesoscale Discussion | SPC | Fulton, Hancock, Henderson, Knox, McDonough, Peoria and 1 more | 4 hr |
| Feb 16, 2:57 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 6 hr |
| Feb 16, 8:51 AM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 6 hr |
| Feb 20, 6:37 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Edwards, Franklin and 22 more | 6 hr |
| Feb 20, 10:22 PM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Pope, White | 6 hr |
| Feb 20, 10:40 PM CST | Mesoscale Discussion | SPC | Christian, Clark, Coles, Douglas, Edgar, Macon and 4 more | 3 hr |
| Mar 4, 1:34 PM CST | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 4 hr |
| Mar 23, 12:47 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Lee, McHenry and 3 more | 4 hr |
| Mar 23, 4:58 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kankakee and 7 more | 5 hr |
| Mar 25, 6:46 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 59 min |
| Mar 25, 9:23 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 97 min |
| Apr 2, 11:50 AM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 85 min |
| Apr 2, 2:46 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Cumberland, Effingham, Fayette and 15 more | 89 min |
| Apr 2, 7:32 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more | 58 min |
| Apr 3, 3:39 AM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 66 min |
| Apr 3, 11:56 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 94 min |
| Apr 7, 8:17 AM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Franklin, Hamilton, Jackson, Jefferson and 11 more | 88 min |
| Apr 7, 10:51 AM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 11 more | 54 min |
| Apr 7, 1:14 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 7 more | 61 min |
| Apr 7, 2:53 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 97 min |
| Apr 8, 7:41 AM CDT | Mesoscale Discussion | SPC | Clark, Coles, Cumberland | 64 min |
| Apr 8, 12:01 PM CDT | Mesoscale Discussion | SPC | Jackson, Monroe, Perry, Randolph, Saint Clair, Washington | 59 min |
| Apr 8, 12:50 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 32 more | 85 min |
| Apr 8, 2:43 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 45 more | 92 min |
| Apr 8, 3:42 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Jackson, Jefferson, Monroe and 7 more | 63 min |
| Apr 8, 7:04 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hardin, Jackson, Johnson, Pope and 3 more | 116 min |
| Apr 9, 12:29 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more | 91 min |
| Apr 9, 3:12 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Calhoun, Carroll and 51 more | 93 min |
| Apr 9, 3:45 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Cumberland, Effingham and 25 more | 60 min |
| Apr 9, 6:04 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cass, DeKalb, DeWitt and 37 more | 86 min |
| Apr 9, 7:09 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry, Winnebago | 96 min |
| Apr 9, 8:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 36 more | 89 min |
| Apr 9, 10:56 PM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Gallatin, Hamilton, Hardin, Johnson and 7 more | 94 min |
| Apr 19, 8:21 PM CDT | Mesoscale Discussion | SPC | Massac | 54 min |
| Apr 25, 12:22 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 20 more | 2 hr |
| Apr 25, 3:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Fayette and 25 more | 2 hr |
| May 8, 12:59 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 39 more | 3 hr |
| May 10, 3:52 PM CDT | Mesoscale Discussion | SPC | Adams, Alexander, Bond, Brown, Calhoun, Clinton and 24 more | 68 min |
| May 10, 5:17 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Carroll, Cass, Christian, Fulton and 22 more | 88 min |
| May 10, 6:30 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clay, Clinton, Edwards and 31 more | 90 min |
| May 15, 2:13 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 13 more | 2 hr |
| May 24, 3:34 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 17 more | 56 min |
| May 24, 6:04 PM CDT | Mesoscale Discussion | SPC | Alexander, Calhoun, Greene, Jackson, Jersey, Madison and 6 more | 116 min |
| May 24, 6:41 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Cass, Fulton, Grundy, Hancock and 22 more | 94 min |
| May 24, 8:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Fayette, Franklin, Jackson and 15 more | 64 min |
| May 24, 10:40 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more | 95 min |
| May 25, 8:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski, Union | 83 min |
| May 26, 11:22 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 4 more | 113 min |
| May 27, 3:53 AM CDT | Mesoscale Discussion | SPC | Jackson, Monroe, Perry, Randolph, Saint Clair | 2 hr |
| May 27, 7:57 AM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Cumberland, Edgar and 18 more | 2 hr |
| May 27, 11:09 AM CDT | Mesoscale Discussion | SPC | Iroquois, Vermilion | 96 min |
| May 30, 10:51 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Clinton, Coles, Crawford, Cumberland and 18 more | 114 min |
| May 30, 6:23 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 6 more | 67 min |
| Jun 7, 1:52 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Ford, Fulton and 18 more | 53 min |
| Jun 7, 5:34 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, DeWitt, Douglas, Ford, Fulton and 23 more | 86 min |
| Jun 7, 6:21 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson | 84 min |
| Jun 7, 9:52 PM CDT | Mesoscale Discussion | SPC | Calhoun, Christian, Clark, Coles, Cumberland, Douglas and 13 more | 53 min |
| Jun 8, 2:32 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, DeWitt, Fulton and 14 more | 118 min |
| Jun 8, 3:32 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 88 min |
| Jun 10, 3:51 PM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henderson, Henry, Iroquois, Kankakee and 12 more | 114 min |
| Jun 11, 3:52 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Iroquois, Kankakee, Kendall and 2 more | 113 min |
| Jun 11, 7:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Fulton, Grundy, Henry, Kendall and 16 more | 67 min |
| Jun 11, 8:13 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 14 more | 92 min |
| Jun 11, 10:30 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Hancock, Henderson, McDonough and 2 more | 90 min |
| Jun 13, 2:42 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Cook, DeKalb and 38 more | 2 hr |
| Jun 14, 12:20 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Douglas, Edgar, Vermilion | 115 min |
| Jun 17, 12:38 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin | 2 hr |
| Jun 17, 2:20 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 115 min |
| Jun 19, 12:48 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 11 more | 117 min |
| Jun 20, 12:48 PM CDT | Mesoscale Discussion | SPC | Henderson, Henry, Knox, Mercer, Rock Island, Stark and 2 more | 117 min |
| Jun 20, 3:10 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 6 more | 2 hr |
| Jun 20, 6:33 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 57 min |
| Jun 20, 10:12 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 63 min |
| Jun 20, 11:32 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 6 more | 58 min |
| Jun 21, 2:58 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey | 2 hr |
| Jun 21, 9:42 AM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 2 hr |
| Jun 21, 3:56 PM CDT | Mesoscale Discussion | SPC | Clinton, Franklin, Hamilton, Hardin, Jackson, Jefferson and 10 more | 2 hr |
| Jun 21, 7:08 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 6 more | 67 min |
| Jun 22, 7:42 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Whiteside | 93 min |
| Jun 22, 9:14 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 11 more | 61 min |
| Jun 22, 11:00 AM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Henry and 11 more | 2 hr |
| Jun 22, 1:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Fulton and 21 more | 113 min |
| Jun 22, 6:08 PM CDT | Mesoscale Discussion | SPC | Bureau, DeWitt, Fulton, Grundy, Hancock, Henderson and 21 more | 67 min |
| Jun 22, 7:31 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 59 min |
| Jun 22, 7:34 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Pike, Schuyler | 56 min |
| Jun 22, 8:16 PM CDT | Mesoscale Discussion | SPC | Bureau, DeWitt, Fulton, Grundy, Hancock, Henderson and 21 more | 59 min |
| Jun 22, 9:41 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Pike, Scott | 64 min |
| Jun 22, 10:00 PM CDT | Mesoscale Discussion | SPC | Champaign, Cook, Douglas, Ford, Iroquois, Kankakee and 2 more | 60 min |
| Jun 24, 12:39 AM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 66 min |
| Jun 24, 11:23 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 10 more | 2 hr |
| Jun 25, 2:02 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 16 more | 118 min |
| Jun 25, 3:55 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Christian, Clark and 28 more | 2 hr |
| Jun 25, 7:27 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Fayette, Franklin and 15 more | 93 min |
| Jun 25, 10:05 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 12 more | 85 min |
| Jun 26, 11:50 AM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more | 115 min |
| Jun 26, 3:16 PM CDT | Mesoscale Discussion | SPC | Hardin, Massac, Pope | 89 min |
| Jun 28, 1:36 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Hancock, Jersey and 7 more | 114 min |
| Jun 28, 3:35 PM CDT | Mesoscale Discussion | SPC | Adams, Calhoun, Pike | 115 min |
| Jun 28, 5:56 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Calhoun, Clinton, Fayette, Greene and 9 more | 94 min |
| Jun 28, 9:39 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Franklin, Gallatin, Hamilton and 16 more | 66 min |
| Jul 1, 8:16 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Edwards, Franklin, Gallatin and 18 more | 119 min |
| Jul 2, 11:59 AM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more | 2 hr |
| Jul 8, 1:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Johnson, Monroe, Perry and 4 more | 2 hr |
| Jul 8, 3:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Franklin and 23 more | 113 min |
| Jul 8, 9:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 19 more | 89 min |
| Jul 9, 6:10 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 2 hr |
| Jul 11, 12:33 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Cass, Champaign, Christian and 35 more | 87 min |
| Jul 11, 3:56 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 22 more | 2 hr |
| Jul 11, 6:36 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 22 more | 84 min |
| Jul 11, 9:57 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 18 more | 93 min |
| Jul 13, 3:49 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 7 more | 116 min |
| Jul 13, 7:19 AM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 86 min |
| Jul 13, 11:01 AM CDT | Mesoscale Discussion | SPC | Edwards, Wabash, White | 89 min |
| Jul 13, 3:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Champaign, DeKalb, DeWitt and 29 more | 84 min |
| Jul 13, 4:33 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Christian, Clinton and 14 more | 57 min |
| Jul 13, 6:59 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Carroll, Cass, Champaign and 65 more | 91 min |
| Jul 13, 8:31 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 59 min |
| Jul 13, 10:22 PM CDT | Mesoscale Discussion | SPC | Boone, Champaign, Cook, DeKalb, DuPage, Edgar and 11 more | 53 min |
| Jul 14, 12:56 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edwards and 8 more | 64 min |
| Jul 14, 4:35 AM CDT | Mesoscale Discussion | SPC | Lawrence | 85 min |
| Jul 16, 3:41 PM CDT | Mesoscale Discussion | SPC | Fulton, Hancock, Henderson, Henry, Knox, McDonough and 8 more | 2 hr |
| Jul 16, 7:58 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, DeWitt and 35 more | 92 min |
| Jul 16, 9:55 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, Christian, Coles, Cumberland and 25 more | 110 min |
| Jul 16, 11:04 PM CDT | Mesoscale Discussion | SPC | DeWitt, Ford, Iroquois, Livingston, Logan, McLean and 2 more | 26 min |
| Jul 18, 12:31 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 22 more | 119 min |
| Jul 18, 5:43 PM CDT | Mesoscale Discussion | SPC | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 1 more | 92 min |
| Jul 18, 10:29 PM CDT | Mesoscale Discussion | SPC | Adams, Pike | 91 min |
| Jul 19, 1:46 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Madison | 89 min |
| Jul 19, 4:45 AM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 90 min |
| Jul 19, 7:47 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Monroe, Perry, Pulaski and 2 more | 118 min |
| Jul 20, 6:23 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 97 min |
| Jul 20, 8:28 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 6 more | 92 min |
| Jul 20, 10:11 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope, Saline, White | 64 min |
| Jul 25, 4:52 PM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henry, Iroquois, Kankakee, Knox and 9 more | 2 hr |
| Jul 29, 1:31 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Pike, Schuyler, Scott | 2 hr |
| Jul 29, 3:27 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 93 min |
| Aug 2, 8:02 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 118 min |
| Aug 2, 11:19 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Will | 86 min |
| Aug 9, 3:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Johnson, Monroe, Perry and 6 more | 2 hr |
| Aug 15, 1:43 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 11 more | 2 hr |
| Aug 18, 12:49 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 33 more | 116 min |
| Aug 18, 3:16 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 27 more | 119 min |
| Aug 18, 3:53 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 16 more | 2 hr |
| Aug 18, 6:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 41 more | 115 min |
| Aug 18, 8:00 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 9 more | 90 min |
| Sep 8, 9:52 AM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Cass, DeKalb and 25 more | 113 min |
| Sep 8, 1:29 PM CDT | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 7 more | 91 min |
| Sep 10, 12:47 PM CDT | Mesoscale Discussion | SPC | Bureau, DeKalb, DuPage, Ford, Fulton, Grundy and 22 more | 58 min |
| Sep 10, 8:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 5 more | 113 min |
| Sep 17, 1:49 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, DeKalb, DuPage, Grundy, Henry and 14 more | 116 min |
| Sep 18, 5:20 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 9 more | 2 hr |
| Oct 12, 3:49 PM CDT | Mesoscale Discussion | SPC | Hardin | 2 hr |
| Nov 11, 2:24 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Greene, Hancock and 12 more | 2 hr |
| Nov 11, 5:46 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DeWitt, Ford and 14 more | 59 min |
| Nov 11, 8:22 PM CST | Mesoscale Discussion | SPC | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 3 more | 53 min |
| Nov 20, 7:33 PM CST | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Winnebago | 4 hr |
| Nov 21, 6:28 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more | 4 hr |
| Nov 21, 6:32 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more | 4 hr |
| Dec 23, 6:13 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Gallatin, Hamilton and 17 more | 2 hr |
| Dec 23, 9:05 AM CST | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 20 more | 85 min |
| Dec 23, 9:41 AM CST | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 5 more | 2 hr |
| Dec 23, 10:29 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more | 91 min |
| Dec 23, 12:06 PM CST | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Gallatin, Hamilton, Hardin and 7 more | 84 min |
| Dec 23, 12:42 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Fulton and 25 more | 2 hr |
| Dec 23, 3:24 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Fulton and 26 more | 96 min |
| Dec 28, 5:26 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more | 4 hr |
| Dec 28, 12:13 PM CST | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 8 more | 5 hr |
| Dec 28, 6:00 PM CST | Mesoscale Discussion | SPC | Boone, McHenry, Stephenson, Winnebago | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Johnson County45
- Union County44
- Saline County43
- Gallatin County42
- Perry County41
- Hardin County41
- Jackson County40
- Franklin County40
- Pope County40
- White County40
- Knox County39
- Williamson County39
- Henderson County38
- Warren County38
- Grundy County38
- Randolph County38
- Hamilton County38
- Washington County37
- Jefferson County37
- Massac County37
- Pulaski County37
- Schuyler County37
- Adams County37
- Fulton County36
- Brown County36
- Bureau County35
- Henry County35
- Kendall County35
- LaSalle County35
- McDonough County35
- Alexander County35
- Peoria County34
- Will County34
- Monroe County34
- Saint Clair County34
- Hancock County34
- Pike County34
- Mercer County33
- Stark County33
- Marshall County33
62 more counties
- Putnam County33
- Clinton County32
- Wayne County32
- Morgan County32
- Mason County32
- Edwards County31
- Cass County31
- Scott County31
- Tazewell County30
- Woodford County30
- Madison County30
- Wabash County30
- Logan County30
- Rock Island County29
- Kankakee County29
- Livingston County29
- Marion County29
- Whiteside County28
- Ford County28
- Iroquois County28
- Lee County28
- DuPage County28
- Greene County28
- Bond County27
- Calhoun County27
- Sangamon County27
- DeKalb County27
- Richland County27
- Menard County27
- Jersey County26
- Clay County26
- Winnebago County25
- Kane County25
- DeWitt County24
- Boone County24
- McHenry County24
- Fayette County24
- Carroll County23
- Ogle County23
- Macoupin County23
- Douglas County22
- Cook County22
- Montgomery County22
- Lawrence County22
- Piatt County21
- Vermilion County21
- Stephenson County21
- Champaign County20
- Clark County20
- Coles County20
- Edgar County20
- Macon County20
- Christian County20
- Shelby County20
- Lake County20
- Cumberland County20
- McLean County19
- Jasper County19
- Moultrie County18
- Effingham County17
- Crawford County16
- Jo Daviess County11
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.