Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2017
154 mesoscale discussions in 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 154
- Busiest month
- April23 mesoscale discussions
- Busiest day
- March 7, 20177 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 12, 3:05 AM CST | Mesoscale Discussion | SPC | Cass, Cook, DeWitt, Ford, Fulton, Grundy and 19 more | 6 hr |
| Jan 13, 3:39 AM CST | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Jackson, Jefferson, Johnson and 7 more | 6 hr |
| Jan 13, 10:28 AM CST | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 20 more | 6 hr |
| Jan 14, 2:14 AM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 26 more | 6 hr |
| Feb 6, 11:20 PM CST | Mesoscale Discussion | SPC | Brown, Cass, Champaign, Christian, Clark, Clay and 36 more | 115 min |
| Feb 7, 1:52 AM CST | Mesoscale Discussion | SPC | Alexander | 113 min |
| Feb 7, 4:57 PM CST | Mesoscale Discussion | SPC | Massac | 2 hr |
| Feb 23, 9:48 PM CST | Mesoscale Discussion | SPC | Henderson | 2 hr |
| Feb 24, 2:07 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Cumberland, Edgar, Vermilion | 2 hr |
| Feb 28, 1:46 PM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Jefferson, Johnson, Massac and 8 more | 2 hr |
| Feb 28, 2:03 PM CST | Mesoscale Discussion | SPC | Bureau, DeKalb, DuPage, Ford, Fulton, Grundy and 24 more | 2 hr |
| Feb 28, 5:24 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more | 96 min |
| Feb 28, 5:28 PM CST | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Pope, Pulaski and 2 more | 2 hr |
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 21 more | 119 min |
| Feb 28, 8:06 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 37 more | 84 min |
| Feb 28, 10:09 PM CST | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Jackson, Johnson and 5 more | 66 min |
| Feb 28, 11:52 PM CST | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Vermilion | 53 min |
| Mar 1, 2:09 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 2 hr |
| Mar 1, 4:19 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 56 min |
| Mar 6, 7:42 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 12 more | 63 min |
| Mar 6, 8:10 PM CST | Mesoscale Discussion | SPC | Alexander | 3 hr |
| Mar 6, 8:22 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 24 more | 2 hr |
| Mar 6, 10:15 PM CST | Mesoscale Discussion | SPC | Boone, DeKalb, DeWitt, Ford, Grundy, Kane and 11 more | 60 min |
| Mar 6, 11:13 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Cumberland and 31 more | 2 hr |
| Mar 7, 1:53 AM CST | Mesoscale Discussion | SPC | Champaign, Coles, Cumberland, Douglas, Edgar, Iroquois and 3 more | 97 min |
| Mar 7, 2:58 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 92 min |
| Mar 9, 4:45 PM CST | Mesoscale Discussion | SPC | Alexander | 90 min |
| Mar 19, 11:50 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, LaSalle, Lee, Marshall and 6 more | 85 min |
| Mar 20, 11:19 AM CDT | Mesoscale Discussion | SPC | Ford, Iroquois, Vermilion | 2 hr |
| Mar 23, 6:28 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more | 92 min |
| Mar 24, 9:36 PM CDT | Mesoscale Discussion | SPC | Monroe | 54 min |
| Mar 25, 1:05 AM CDT | Mesoscale Discussion | SPC | Alexander | 115 min |
| Mar 30, 11:56 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 37 more | 64 min |
| Mar 30, 3:27 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 19 more | 33 min |
| Apr 3, 5:02 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Effingham and 23 more | 58 min |
| Apr 5, 1:59 PM CDT | Mesoscale Discussion | SPC | Wabash | 3 hr |
| Apr 5, 4:47 PM CDT | Mesoscale Discussion | SPC | Edwards, Lawrence, Wabash, White | 88 min |
| Apr 10, 1:53 AM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 9 more | 2 hr |
| Apr 10, 11:57 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 23 more | 3 hr |
| Apr 10, 3:25 PM CDT | Mesoscale Discussion | SPC | Bond, Boone, Bureau, Cass, Champaign, Christian and 54 more | 2 hr |
| Apr 10, 6:22 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, Cook, DeWitt, Douglas and 19 more | 53 min |
| Apr 10, 8:58 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 9 more | 62 min |
| Apr 15, 5:06 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson, Whiteside | 84 min |
| Apr 16, 2:02 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 17 more | 2 hr |
| Apr 19, 10:06 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 54 min |
| Apr 20, 2:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 53 min |
| Apr 26, 12:26 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Hamilton and 16 more | 94 min |
| Apr 26, 3:53 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Coles, Crawford, Cumberland and 16 more | 97 min |
| Apr 26, 6:10 PM CDT | Mesoscale Discussion | SPC | Hardin, Massac, Pope | 95 min |
| Apr 28, 1:10 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 35 more | 2 hr |
| Apr 28, 4:59 PM CDT | Mesoscale Discussion | SPC | Massac | 91 min |
| Apr 28, 6:28 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 3 hr |
| Apr 28, 11:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more | 95 min |
| Apr 29, 3:39 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 96 min |
| Apr 29, 12:50 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph, Saint Clair | 85 min |
| Apr 29, 3:28 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 20 more | 2 hr |
| Apr 29, 6:30 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Coles, Crawford, Cumberland and 25 more | 60 min |
| May 10, 12:05 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, DeWitt, Ford and 19 more | 2 hr |
| May 10, 3:48 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, DeWitt and 28 more | 87 min |
| May 10, 6:26 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 11 more | 94 min |
| May 10, 9:42 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Cumberland, Effingham, Jasper | 63 min |
| May 11, 12:58 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 4 more | 3 hr |
| May 15, 5:52 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 9 more | 113 min |
| May 15, 7:19 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more | 56 min |
| May 15, 10:14 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Kane, Kendall, Lake and 2 more | 61 min |
| May 17, 3:24 PM CDT | Mesoscale Discussion | SPC | Carroll, Hancock, Henderson, Henry, Jo Daviess, Knox and 7 more | 66 min |
| May 17, 9:45 PM CDT | Mesoscale Discussion | SPC | DuPage, Grundy, Kane, Kendall, Lake, McHenry and 1 more | 60 min |
| May 19, 4:07 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 113 min |
| May 19, 6:30 AM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Cumberland, Effingham and 9 more | 90 min |
| May 19, 6:04 PM CDT | Mesoscale Discussion | SPC | Calhoun | 86 min |
| May 20, 1:45 AM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Hamilton, Jackson, Jefferson and 10 more | 90 min |
| May 26, 1:25 PM CDT | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 8 more | 3 hr |
| May 26, 4:31 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Fulton, Iroquois, Kankakee and 12 more | 59 min |
| May 26, 6:30 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 3 more | 90 min |
| May 27, 3:54 AM CDT | Mesoscale Discussion | SPC | Alexander | 2 hr |
| May 27, 1:16 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 59 min |
| May 27, 3:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 85 min |
| May 28, 12:16 PM CDT | Mesoscale Discussion | SPC | Champaign, Douglas, Ford, Iroquois, Vermilion | 119 min |
| May 28, 3:09 PM CDT | Mesoscale Discussion | SPC | Edgar | 66 min |
| Jun 13, 2:25 PM CDT | Mesoscale Discussion | SPC | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 3 hr |
| Jun 14, 12:06 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more | 2 hr |
| Jun 14, 12:40 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Effingham and 23 more | 3 hr |
| Jun 14, 12:44 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, DeWitt, Douglas, Edgar and 5 more | 3 hr |
| Jun 14, 3:02 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 118 min |
| Jun 14, 4:59 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Iroquois, Kane, Kankakee and 4 more | 91 min |
| Jun 14, 6:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 22 more | 64 min |
| Jun 16, 12:45 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Perry, Pulaski and 3 more | 3 hr |
| Jun 16, 6:56 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson | 64 min |
| Jun 17, 1:35 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 15 more | 115 min |
| Jun 17, 2:44 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Bureau, Carroll, Cook, DeKalb and 32 more | 2 hr |
| Jun 17, 8:17 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Cass, Champaign and 52 more | 58 min |
| Jun 17, 9:50 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 32 more | 55 min |
| Jun 18, 1:40 AM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Cumberland, Edwards and 18 more | 3 hr |
| Jun 18, 4:48 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski | 117 min |
| Jun 19, 12:44 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Champaign, Cook, DeKalb and 34 more | 3 hr |
| Jun 20, 2:05 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Champaign and 47 more | 2 hr |
| Jun 28, 2:14 PM CDT | Mesoscale Discussion | SPC | Henderson | 2 hr |
| Jun 28, 6:32 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Kane, Lake, McHenry and 2 more | 58 min |
| Jun 28, 7:53 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more | 97 min |
| Jun 29, 1:45 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Greene, Jersey, Macoupin and 8 more | 2 hr |
| Jun 30, 12:56 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Edwards, Lawrence, Wabash | 2 hr |
| Jul 7, 12:19 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 14 more | 56 min |
| Jul 10, 1:49 AM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 5 more | 116 min |
| Jul 10, 6:46 AM CDT | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 17 more | 119 min |
| Jul 10, 2:48 PM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Grundy, Iroquois, Kankakee, LaSalle and 8 more | 117 min |
| Jul 10, 6:18 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, DeWitt, Ford, Fulton, Grundy and 21 more | 87 min |
| Jul 10, 8:56 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, Champaign, Christian, Clark, Coles and 41 more | 2 hr |
| Jul 11, 10:16 AM CDT | Mesoscale Discussion | SPC | Douglas, Edgar, Vermilion | 29 min |
| Jul 11, 9:49 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, Jo Daviess, Kane, McHenry, Ogle and 2 more | 116 min |
| Jul 12, 8:33 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage | 117 min |
| Jul 16, 2:06 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 36 more | 54 min |
| Jul 19, 5:11 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Jo Daviess, Lee and 5 more | 34 min |
| Jul 19, 8:19 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 10 more | 86 min |
| Jul 21, 1:11 AM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Grundy, Iroquois, Kankakee, LaSalle and 7 more | 94 min |
| Jul 21, 1:32 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Lee, Mercer, Ogle and 2 more | 2 hr |
| Jul 21, 6:28 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 92 min |
| Jul 21, 8:35 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 115 min |
| Jul 21, 11:23 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 67 min |
| Jul 22, 7:11 PM CDT | Mesoscale Discussion | SPC | Christian, Clark, Coles, Crawford, Cumberland, Douglas and 10 more | 94 min |
| Jul 22, 11:48 PM CDT | Mesoscale Discussion | SPC | Calhoun, Pike | 87 min |
| Jul 23, 3:12 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Edwards and 23 more | 2 hr |
| Jul 23, 5:23 AM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Effingham, Hamilton, Jasper and 5 more | 2 hr |
| Jul 23, 1:03 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Cook, DeKalb, Douglas and 23 more | 2 hr |
| Jul 26, 4:55 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Carroll, Cass, Champaign, Christian and 42 more | 65 min |
| Aug 3, 12:13 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Lake and 4 more | 2 hr |
| Aug 3, 5:18 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Fulton and 27 more | 2 hr |
| Aug 10, 2:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 11 more | 113 min |
| Aug 10, 5:31 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 89 min |
| Aug 16, 2:35 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 31 more | 2 hr |
| Aug 20, 1:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Pulaski, Randolph, Union | 84 min |
| Aug 21, 12:41 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Edgar, Effingham and 3 more | 94 min |
| Aug 21, 3:29 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clark, Clay, Clinton, Crawford and 22 more | 91 min |
| Sep 4, 2:17 PM CDT | Mesoscale Discussion | SPC | Champaign, Douglas, Edgar, Ford, Iroquois, Vermilion | 118 min |
| Sep 4, 3:43 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, DeWitt, Douglas, Ford, Greene and 16 more | 2 hr |
| Sep 4, 6:05 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 28 more | 115 min |
| Sep 4, 9:26 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 19 more | 64 min |
| Oct 7, 4:40 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Cumberland, Edgar and 21 more | 3 hr |
| Oct 10, 3:10 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Jackson, Jefferson and 12 more | 2 hr |
| Oct 14, 3:35 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more | 2 hr |
| Oct 14, 6:01 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Cook, DeWitt, DuPage, Ford and 21 more | 89 min |
| Oct 14, 9:04 PM CDT | Mesoscale Discussion | SPC | Calhoun, Cass, Champaign, Christian, Cook, DeWitt and 28 more | 86 min |
| Nov 2, 7:31 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Jackson, Jefferson, Johnson and 8 more | 119 min |
| Nov 5, 6:04 AM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Coles, Cumberland and 19 more | 2 hr |
| Nov 5, 11:09 AM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 30 more | 66 min |
| Nov 5, 2:51 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 38 more | 114 min |
| Nov 5, 6:07 PM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more | 113 min |
| Nov 5, 8:59 PM CST | Mesoscale Discussion | SPC | Massac | 91 min |
| Nov 6, 10:43 AM CST | Mesoscale Discussion | SPC | Alexander | 3 hr |
| Nov 18, 5:29 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, DeWitt, Ford and 11 more | 3 hr |
| Nov 18, 10:24 AM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Clinton, Crawford, Cumberland and 26 more | 2 hr |
| Nov 18, 1:48 PM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edgar, Edwards and 20 more | 57 min |
| Dec 4, 1:26 PM CST | Mesoscale Discussion | SPC | Adams, Hancock | 94 min |
| Dec 4, 3:57 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Pike | 93 min |
| Dec 4, 6:05 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Pike | 115 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Iroquois County37
- Ford County35
- Vermilion County35
- Alexander County35
- Hamilton County34
- Jackson County34
- Johnson County34
- Jasper County34
- Union County33
- Williamson County33
- Effingham County33
- Champaign County33
- Marshall County32
- Saline County32
- Clay County32
- Douglas County32
- Edgar County32
- Massac County32
- Livingston County31
- Stark County31
- Franklin County31
- Jefferson County31
- Cumberland County31
- Piatt County31
- Ogle County31
- McLean County30
- Randolph County30
- White County30
- Crawford County30
- Edwards County30
- Moultrie County30
- Kane County30
- Grundy County29
- Kendall County29
- Perry County29
- Washington County29
- Clark County29
- Pulaski County29
- Bureau County29
- DeKalb County29
62 more counties
- Kankakee County28
- Knox County28
- LaSalle County28
- Peoria County28
- Putnam County28
- Will County28
- Gallatin County28
- Wayne County28
- Richland County28
- Coles County28
- Shelby County28
- Lee County28
- DeWitt County27
- Fulton County27
- Christian County27
- Montgomery County27
- DuPage County27
- Whiteside County27
- Carroll County27
- McHenry County27
- Pope County27
- Winnebago County27
- Logan County26
- Tazewell County26
- Woodford County26
- Clinton County26
- Henry County26
- Boone County26
- Bond County25
- Fayette County25
- Marion County25
- Macon County25
- Macoupin County25
- Warren County25
- Mercer County25
- Jo Daviess County25
- Lawrence County24
- Saint Clair County24
- Wabash County24
- Henderson County24
- Hardin County24
- Stephenson County24
- Cook County23
- Madison County23
- Monroe County23
- Rock Island County23
- Lake County23
- Menard County22
- Pike County22
- Mason County21
- Morgan County21
- Jersey County20
- Sangamon County20
- Schuyler County19
- Greene County19
- Scott County19
- Cass County18
- McDonough County17
- Calhoun County17
- Hancock County17
- Brown County16
- Adams County15
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.