Alert archive / Illinois / Mesoscale Discussions / 2023
Mesoscale Discussions in Illinois, July 2023
41 mesoscale discussions in July 2023. 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 July 2023. Tap one for its archive.
- Mesoscale Discussions
- 41
- Busiest day
- July 1, 20235 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jun 30, 7:58 PM CDT | Mesoscale Discussion | SPC | Calhoun, Clinton, Franklin, Gallatin, Hamilton, Hardin and 15 more | 92 min |
| Jul 1, 11:28 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 92 min |
| Jul 1, 2:15 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Monroe, Perry, Randolph and 4 more | 90 min |
| Jul 1, 3:35 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 23 more | 115 min |
| Jul 1, 6:05 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 14 more | 85 min |
| Jul 2, 11:56 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 2 hr |
| Jul 5, 12:49 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Carroll, Cass, Cook and 42 more | 116 min |
| Jul 5, 1:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Jackson, Jefferson and 7 more | 2 hr |
| Jul 11, 2:41 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Henry and 10 more | 94 min |
| Jul 12, 8:44 AM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Lee, Ogle, Rock Island, Whiteside | 91 min |
| Jul 12, 3:05 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 12 more | 85 min |
| Jul 12, 4:59 PM CDT | Mesoscale Discussion | SPC | Calhoun, Monroe, Saint Clair | 91 min |
| Jul 12, 7:02 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Lake, Will | 58 min |
| Jul 12, 9:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski, Randolph, Union | 84 min |
| Jul 13, 7:04 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more | 56 min |
| Jul 14, 2:38 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 39 more | 2 hr |
| Jul 14, 6:11 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 13 more | 94 min |
| Jul 14, 8:23 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 15 more | 97 min |
| Jul 16, 1:24 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Madison, Monroe, Pike | 3 hr |
| Jul 16, 4:00 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clay, Clinton, Coles, Crawford and 26 more | 90 min |
| Jul 17, 2:41 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 27 more | 2 hr |
| Jul 18, 8:42 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 93 min |
| Jul 18, 10:42 AM CDT | Mesoscale Discussion | SPC | Alexander, Jackson | 93 min |
| Jul 18, 12:23 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more | 97 min |
| Jul 18, 11:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 16 more | 2 hr |
| Jul 19, 6:11 AM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Pulaski, Union and 1 more | 2 hr |
| Jul 20, 7:47 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 118 min |
| Jul 20, 8:58 AM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clinton, Jersey, Macoupin, Madison and 4 more | 92 min |
| Jul 20, 1:15 PM CDT | Mesoscale Discussion | SPC | Vermilion | 90 min |
| Jul 23, 4:58 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey, Monroe | 3 hr |
| Jul 24, 2:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pulaski, Union | 113 min |
| Jul 25, 9:48 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 5 more | 87 min |
| Jul 26, 7:30 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 10 more | 90 min |
| Jul 26, 8:45 AM CDT | Mesoscale Discussion | SPC | Lake | 2 hr |
| Jul 26, 11:59 AM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clinton and 19 more | 2 hr |
| Jul 26, 3:57 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Lake | 63 min |
| Jul 28, 2:52 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 10 more | 113 min |
| Jul 28, 7:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 2 hr |
| Jul 28, 8:09 PM CDT | Mesoscale Discussion | SPC | Rock Island | 66 min |
| Jul 29, 2:18 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Crawford and 34 more | 117 min |
| Jul 29, 5:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 14 more | 113 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Franklin County13
- Union County13
- Alexander County13
- Johnson County12
- Massac County12
- Monroe County12
- Williamson County12
- Pulaski County12
- Jackson County11
- Randolph County11
- Saline County11
- Gallatin County10
- Hamilton County10
- Hardin County10
- Jefferson County10
- Perry County10
- Saint Clair County10
- Washington County10
- Lee County10
- Clinton County9
- Madison County9
- Pope County9
- White County9
- Cook County9
- DeKalb County9
- DuPage County9
- Kane County9
- Ogle County9
- Whiteside County9
- Boone County8
- Bureau County8
- Carroll County8
- Kendall County8
- Lake County8
- LaSalle County8
- McHenry County8
- Will County8
- Bond County7
- Grundy County7
- Henry County7
62 more counties
- Putnam County7
- Rock Island County7
- Stephenson County7
- Winnebago County7
- Calhoun County6
- Jersey County6
- Clay County6
- Edwards County6
- Richland County6
- Wayne County6
- Stark County6
- Crawford County5
- Jasper County5
- Marion County5
- Wabash County5
- Kankakee County5
- Peoria County5
- Jo Daviess County5
- Montgomery County5
- Coles County4
- Cumberland County4
- Effingham County4
- Fayette County4
- Lawrence County4
- Moultrie County4
- Shelby County4
- Fulton County4
- Henderson County4
- Knox County4
- Livingston County4
- Marshall County4
- Mercer County4
- Tazewell County4
- Warren County4
- Woodford County4
- Greene County4
- Pike County4
- Christian County4
- Macoupin County4
- Clark County3
- Edgar County3
- Brown County3
- Cass County3
- Ford County3
- Iroquois County3
- Logan County3
- McDonough County3
- Macon County3
- Mason County3
- Menard County3
- Morgan County3
- Piatt County3
- Sangamon County3
- Schuyler County3
- McLean County2
- Hancock County2
- Scott County2
- Douglas County2
- Vermilion County2
- DeWitt County1
- Adams County1
- Champaign County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.