Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2021
154 mesoscale discussions in 2021. 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 2021. Tap one for its archive.
- Mesoscale Discussions
- 154
- Busiest month
- August32 mesoscale discussions
- Busiest day
- July 10, 20217 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 1, 1:08 AM CST | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 43 more | 5 hr |
| Jan 1, 2:33 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 4 more | 5 hr |
| Jan 1, 6:35 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, DeWitt and 34 more | 4 hr |
| Jan 30, 6:23 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, DuPage, Grundy, Kane and 7 more | 4 hr |
| Feb 10, 11:18 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 4 hr |
| Feb 15, 5:57 AM CST | Mesoscale Discussion | SPC | Alexander, Massac, Pope, Pulaski | 6 hr |
| Feb 15, 10:44 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 37 more | 6 hr |
| Feb 15, 2:52 PM CST | Mesoscale Discussion | SPC | Brown, Bureau, Calhoun, Cass, Champaign, Christian and 36 more | 6 hr |
| Mar 11, 1:26 PM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 3 hr |
| Mar 15, 2:49 PM CDT | Mesoscale Discussion | SPC | Monroe | 116 min |
| Mar 17, 8:51 AM CDT | Mesoscale Discussion | SPC | Calhoun | 84 min |
| Mar 23, 12:44 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Hancock, Pike | 2 hr |
| Mar 23, 7:31 PM CDT | Mesoscale Discussion | SPC | Brown, Calhoun, Greene, Jersey, Pike, Schuyler and 1 more | 89 min |
| Mar 25, 2:33 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more | 117 min |
| Mar 27, 2:34 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 5 more | 116 min |
| Mar 27, 6:16 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 21 more | 89 min |
| Mar 27, 7:58 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Edwards, Effingham, Franklin and 16 more | 92 min |
| Apr 7, 5:04 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 13 more | 116 min |
| Apr 9, 4:56 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 19 more | 64 min |
| Apr 28, 12:33 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pulaski, Union, Williamson | 57 min |
| Apr 28, 3:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 91 min |
| Apr 28, 5:25 PM CDT | Mesoscale Discussion | SPC | Hardin, Massac, Pope | 2 hr |
| Apr 29, 3:14 AM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 3 hr |
| May 3, 2:08 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 55 more | 67 min |
| May 3, 4:51 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph, Saint Clair | 84 min |
| May 3, 5:15 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 38 more | 90 min |
| May 4, 1:06 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 114 min |
| May 4, 4:17 AM CDT | Mesoscale Discussion | SPC | Massac | 88 min |
| May 6, 9:52 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 7 more | 83 min |
| May 6, 10:05 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 85 min |
| May 6, 12:02 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Jackson, Johnson, Massac, Pope and 4 more | 118 min |
| May 6, 1:10 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, Cumberland, DeWitt, Douglas and 10 more | 2 hr |
| May 16, 5:49 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike | 86 min |
| May 27, 11:04 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clinton, Coles, Effingham and 18 more | 86 min |
| May 27, 12:57 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clinton, Effingham, Fayette, Jersey and 12 more | 93 min |
| May 27, 2:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Effingham, Fayette and 16 more | 85 min |
| May 27, 3:38 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Hamilton, Jackson and 14 more | 67 min |
| May 27, 5:21 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 6 more | 114 min |
| Jun 12, 1:26 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, Cook, DeKalb, DeWitt and 27 more | 3 hr |
| Jun 18, 12:52 PM CDT | Mesoscale Discussion | SPC | Champaign, Ford, Vermilion | 83 min |
| Jun 18, 8:53 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Cass, Christian, Clark, Clay and 26 more | 97 min |
| Jun 18, 9:27 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 2 more | 2 hr |
| Jun 19, 2:10 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 27 more | 2 hr |
| Jun 19, 11:15 AM CDT | Mesoscale Discussion | SPC | Effingham, Fayette, Greene, Macoupin, Montgomery, Morgan and 1 more | 2 hr |
| Jun 19, 2:12 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 7 more | 93 min |
| Jun 19, 5:11 PM CDT | Mesoscale Discussion | SPC | Calhoun, Clinton, Greene, Jersey, Macoupin, Madison and 6 more | 64 min |
| Jun 20, 10:57 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Cook and 39 more | 2 hr |
| Jun 20, 3:25 PM CDT | Mesoscale Discussion | SPC | Champaign, Douglas, Ford, Grundy, Iroquois, Kankakee and 4 more | 2 hr |
| Jun 20, 6:56 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson | 2 hr |
| Jun 20, 9:54 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 25 more | 66 min |
| Jun 24, 11:23 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Hancock and 9 more | 2 hr |
| Jun 25, 12:57 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 15 more | 2 hr |
| Jun 25, 4:46 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 23 more | 59 min |
| Jun 25, 7:05 PM CDT | Mesoscale Discussion | SPC | Iroquois, Kankakee, Vermilion | 55 min |
| Jun 25, 8:34 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 30 more | 86 min |
| Jun 25, 10:31 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 30 more | 59 min |
| Jun 26, 11:45 AM CDT | Mesoscale Discussion | SPC | Calhoun, Cass, Champaign, Christian, DeWitt, Ford and 21 more | 2 hr |
| Jun 26, 2:47 PM CDT | Mesoscale Discussion | SPC | Calhoun, DeWitt, Ford, Greene, Iroquois, Jersey and 8 more | 118 min |
| Jun 26, 6:08 PM CDT | Mesoscale Discussion | SPC | Champaign, Coles, Cumberland, Douglas, Edgar, Ford and 5 more | 67 min |
| Jun 26, 8:23 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 3 more | 67 min |
| Jun 27, 11:36 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, DeWitt, Douglas and 16 more | 2 hr |
| Jun 28, 12:08 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Christian, DeWitt, Ford, Fulton and 21 more | 2 hr |
| Jun 29, 11:54 AM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 4 more | 2 hr |
| Jun 30, 12:22 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 113 min |
| Jul 7, 2:02 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 30 more | 88 min |
| Jul 9, 7:54 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 9 more | 36 min |
| Jul 9, 10:26 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 7 more | 64 min |
| Jul 10, 1:01 AM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Monroe, Perry, Randolph, Saint Clair and 3 more | 59 min |
| Jul 10, 3:09 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Johnson, Pulaski, Saline and 2 more | 2 hr |
| Jul 10, 1:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 22 more | 2 hr |
| Jul 10, 3:09 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, DeWitt, Douglas, Ford, Logan and 8 more | 96 min |
| Jul 10, 5:33 PM CDT | Mesoscale Discussion | SPC | Clay, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 87 min |
| Jul 12, 1:13 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 33 more | 92 min |
| Jul 14, 7:02 AM CDT | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 2 hr |
| Jul 14, 11:45 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more | 2 hr |
| Jul 14, 2:01 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 9 more | 119 min |
| Jul 14, 5:42 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Winnebago | 63 min |
| Jul 14, 9:15 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Ogle, Stephenson, Winnebago | 90 min |
| Jul 14, 11:17 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Henry, Lee, McHenry and 6 more | 58 min |
| Jul 15, 2:14 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, DeKalb, DuPage, Grundy, Kane and 12 more | 61 min |
| Jul 15, 1:39 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, Christian, Coles, DeWitt and 24 more | 2 hr |
| Jul 16, 12:10 PM CDT | Mesoscale Discussion | SPC | Edwards, Wabash | 4 hr |
| Jul 24, 3:00 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more | 2 hr |
| Jul 24, 5:21 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DuPage, Ford, Grundy, Iroquois and 12 more | 114 min |
| Jul 24, 7:31 PM CDT | Mesoscale Discussion | SPC | DeWitt, Ford, Iroquois, McLean, Vermilion | 119 min |
| Jul 28, 12:50 AM CDT | Mesoscale Discussion | SPC | Jo Daviess | 55 min |
| Jul 29, 12:32 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Grundy and 11 more | 88 min |
| Jul 29, 1:34 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 3 more | 86 min |
| Jul 29, 3:18 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Iroquois, Kankakee and 4 more | 87 min |
| Jul 29, 2:19 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 34 more | 116 min |
| Jul 31, 11:00 AM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski | 2 hr |
| Aug 6, 3:23 PM CDT | Mesoscale Discussion | SPC | Boone, Champaign, Cook, DeKalb, DeWitt, DuPage and 20 more | 97 min |
| Aug 8, 11:40 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 18 more | 3 hr |
| Aug 8, 3:00 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 36 more | 2 hr |
| Aug 8, 5:47 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clay, Clinton and 27 more | 88 min |
| Aug 9, 12:18 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Grundy and 10 more | 2 hr |
| Aug 9, 5:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Kane and 6 more | 67 min |
| Aug 9, 8:33 PM CDT | Mesoscale Discussion | SPC | Bureau, Knox, LaSalle, Livingston, Marshall, Peoria and 4 more | 87 min |
| Aug 10, 10:45 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Clinton, Greene and 9 more | 3 hr |
| Aug 10, 2:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Franklin and 21 more | 2 hr |
| Aug 10, 3:10 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lake and 6 more | 2 hr |
| Aug 10, 5:51 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 7 more | 84 min |
| Aug 11, 1:20 AM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Fulton, Grundy, Henry, Iroquois and 15 more | 115 min |
| Aug 11, 4:49 AM CDT | Mesoscale Discussion | SPC | Adams | 86 min |
| Aug 11, 6:26 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 12 more | 2 hr |
| Aug 11, 8:34 AM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Grundy and 13 more | 86 min |
| Aug 11, 9:52 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Lake and 1 more | 83 min |
| Aug 11, 3:56 PM CDT | Mesoscale Discussion | SPC | Carroll, Hancock, Henderson, Henry, Jo Daviess, Mercer and 2 more | 3 hr |
| Aug 11, 5:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson | 95 min |
| Aug 11, 7:35 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 85 min |
| Aug 11, 11:06 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 15 more | 84 min |
| Aug 12, 3:16 AM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Fulton, Grundy, Iroquois, Kankakee and 16 more | 119 min |
| Aug 12, 2:22 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 26 more | 83 min |
| Aug 12, 6:06 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey, Madison, Monroe, Saint Clair | 84 min |
| Aug 12, 7:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 85 min |
| Aug 12, 9:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more | 95 min |
| Aug 23, 2:18 PM CDT | Mesoscale Discussion | SPC | Bond, Fayette, Greene, Jersey, Macoupin, Madison and 2 more | 117 min |
| Aug 24, 6:00 AM CDT | Mesoscale Discussion | SPC | Jo Daviess | 90 min |
| Aug 24, 3:09 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry, Ogle, Stephenson, Winnebago | 66 min |
| Aug 24, 5:10 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 7 more | 2 hr |
| Aug 24, 8:14 PM CDT | Mesoscale Discussion | SPC | Grundy, Kankakee, Knox, Livingston, Marshall, Peoria and 2 more | 2 hr |
| Aug 25, 4:02 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, Clark, Coles, DeWitt, Douglas and 28 more | 88 min |
| Aug 29, 1:18 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, Cook, DeKalb, DuPage, Ford and 20 more | 87 min |
| Sep 7, 12:25 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 9 more | 65 min |
| Sep 7, 3:14 PM CDT | Mesoscale Discussion | SPC | DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 11 more | 91 min |
| Sep 7, 5:25 PM CDT | Mesoscale Discussion | SPC | Champaign, Vermilion | 95 min |
| Sep 14, 3:18 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clinton, Coles and 28 more | 117 min |
| Oct 11, 9:06 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more | 2 hr |
| Oct 11, 12:37 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 18 more | 113 min |
| Oct 11, 3:37 PM CDT | Mesoscale Discussion | SPC | LaSalle, Marshall, Mason, Menard, Peoria, Putnam and 3 more | 83 min |
| Oct 11, 6:09 PM CDT | Mesoscale Discussion | SPC | Boone, Champaign, Coles, Cook, DeKalb, Douglas and 13 more | 96 min |
| Oct 14, 3:46 PM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski | 119 min |
| Oct 15, 11:14 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 3 hr |
| Oct 23, 9:14 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 3 hr |
| Oct 24, 2:13 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene | 2 hr |
| Oct 24, 12:40 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 3 hr |
| Oct 24, 5:11 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 39 more | 3 hr |
| Oct 24, 8:17 PM CDT | Mesoscale Discussion | SPC | Clinton, Franklin, Jackson, Jefferson, Marion, Monroe and 5 more | 118 min |
| Oct 24, 10:33 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clay, Clinton and 31 more | 2 hr |
| Dec 5, 8:06 PM CST | Mesoscale Discussion | SPC | Alexander, Hardin, Jackson, Johnson, Massac, Pope and 4 more | 114 min |
| Dec 5, 11:28 PM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 2 hr |
| Dec 10, 1:35 PM CST | Mesoscale Discussion | SPC | Alexander, Pulaski, Union | 2 hr |
| Dec 10, 4:45 PM CST | Mesoscale Discussion | SPC | Alexander, Hardin, Jackson, Johnson, Massac, Pope and 3 more | 90 min |
| Dec 10, 5:27 PM CST | Mesoscale Discussion | SPC | Calhoun, Jersey | 3 hr |
| Dec 10, 7:02 PM CST | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Monroe and 4 more | 58 min |
| Dec 10, 7:18 PM CST | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Clay, Coles, Crawford and 18 more | 87 min |
| Dec 10, 8:53 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 21 more | 97 min |
| Dec 10, 9:36 PM CST | Mesoscale Discussion | SPC | Clark, Coles, Cumberland, Edgar, Effingham, Shelby | 54 min |
| Dec 10, 10:09 PM CST | Mesoscale Discussion | SPC | Massac | 96 min |
| Dec 10, 11:28 PM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Coles, Crawford, Cumberland and 24 more | 92 min |
| Dec 15, 4:51 PM CST | Mesoscale Discussion | SPC | Henderson, Jo Daviess, Mercer, Rock Island | 114 min |
| Dec 15, 5:30 PM CST | Mesoscale Discussion | SPC | Adams | 90 min |
| Dec 15, 9:48 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 16 more | 87 min |
| Dec 28, 8:59 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jersey County38
- Greene County37
- Calhoun County36
- Ford County36
- Champaign County35
- Scott County35
- Macoupin County34
- Kankakee County34
- Logan County33
- McLean County33
- Macon County33
- Menard County33
- Morgan County33
- Sangamon County33
- Pulaski County33
- DeWitt County32
- Pike County32
- Iroquois County32
- Alexander County32
- Union County32
- Piatt County31
- Tazewell County31
- Cass County30
- Douglas County30
- Mason County30
- Montgomery County30
- Moultrie County30
- Livingston County30
- Woodford County30
- Jackson County30
- Williamson County30
- Brown County29
- Christian County29
- Coles County29
- Grundy County29
- Vermilion County29
- Will County29
- Madison County28
- Saint Clair County28
- Shelby County28
62 more counties
- Johnson County28
- Perry County27
- Schuyler County27
- Kendall County27
- LaSalle County27
- DuPage County27
- Massac County27
- Bond County26
- Monroe County26
- Washington County26
- Marshall County26
- Peoria County26
- Saline County26
- Edgar County25
- Effingham County25
- Franklin County25
- Adams County25
- DeKalb County25
- Kane County25
- Pope County25
- Clinton County24
- Hamilton County24
- Jefferson County24
- Randolph County24
- Putnam County24
- Lee County24
- Hardin County24
- Stark County23
- Cumberland County22
- Marion County22
- Bureau County22
- Cook County22
- Clay County21
- Fayette County21
- Wayne County21
- Fulton County21
- Boone County21
- Ogle County21
- Knox County20
- White County20
- Lake County20
- Winnebago County20
- McHenry County20
- Warren County19
- Carroll County19
- Gallatin County19
- McDonough County18
- Richland County17
- Stephenson County17
- Clark County16
- Edwards County16
- Jasper County16
- Hancock County16
- Henderson County16
- Henry County16
- Whiteside County16
- Jo Daviess County14
- Mercer County13
- Wabash County13
- Crawford County12
- Lawrence County11
- Rock Island County11
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.