Alert archive / Illinois / Mesoscale Discussions / 2022
Mesoscale Discussions in Illinois, August 2022
20 mesoscale discussions in August 2022. 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 August 2022. Tap one for its archive.
- Mesoscale Discussions
- 20
- Busiest day
- August 29, 20225 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 |
|---|---|---|---|---|
| Aug 1, 3:44 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 19 more | 3 hr |
| Aug 1, 3:07 PM CDT | Mesoscale Discussion | SPC | Clay, Edwards, Gallatin, Hamilton, Jasper, Lawrence and 4 more | 113 min |
| Aug 1, 5:51 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edwards and 9 more | 114 min |
| Aug 1, 7:52 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 10 more | 113 min |
| Aug 2, 7:42 AM CDT | Mesoscale Discussion | SPC | Cass, Christian, Logan, Mason, Menard, Sangamon | 2 hr |
| Aug 3, 1:13 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Lake | 62 min |
| Aug 3, 1:32 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 21 more | 88 min |
| Aug 3, 3:43 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clinton, Coles and 26 more | 92 min |
| Aug 3, 5:45 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Clinton, Crawford, Cumberland, Edwards and 18 more | 90 min |
| Aug 20, 12:51 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, Champaign, Christian, Coles and 37 more | 2 hr |
| Aug 20, 5:40 PM CDT | Mesoscale Discussion | SPC | DeWitt, Ford, Iroquois, Logan, McLean, Mason and 1 more | 95 min |
| Aug 20, 8:19 PM CDT | Mesoscale Discussion | SPC | Christian, Coles, Douglas, Edgar, Macon, Moultrie and 1 more | 56 min |
| Aug 28, 12:34 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 11 more | 86 min |
| Aug 28, 3:48 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 3 more | 87 min |
| Aug 29, 9:42 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more | 2 hr |
| Aug 29, 12:53 PM CDT | Mesoscale Discussion | SPC | Cook, Ford, Grundy, Iroquois, Kankakee, Kendall and 4 more | 2 hr |
| Aug 29, 1:41 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 2 hr |
| Aug 29, 4:23 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 34 more | 2 hr |
| Aug 29, 6:41 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 29 more | 2 hr |
| Aug 29, 8:31 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 27 more | 119 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Coles County8
- Cumberland County8
- DeWitt County8
- Ford County8
- Logan County8
- McLean County8
- Macon County8
- Mason County8
- Menard County8
- Moultrie County8
- Sangamon County8
- Christian County8
- Douglas County7
- Piatt County7
- Vermilion County7
- Champaign County6
- Clark County6
- Edgar County6
- Peoria County6
- Tazewell County6
- Woodford County6
- Shelby County6
- Cass County6
- Greene County6
- Macoupin County6
- Montgomery County6
- Morgan County6
- Scott County6
- Fulton County5
- Livingston County5
- Effingham County5
- Brown County5
- Calhoun County5
- Pike County5
- Iroquois County5
- Clay County4
- Edwards County4
- Jasper County4
- Lawrence County4
- Richland County4
57 more counties
- Wabash County4
- Wayne County4
- White County4
- Cook County4
- Lake County4
- Adams County4
- Jersey County4
- Schuyler County4
- Marshall County4
- Henderson County3
- Knox County3
- Warren County3
- Hamilton County3
- Crawford County3
- Marion County3
- DuPage County3
- Randolph County3
- Bureau County3
- Hancock County3
- Henry County3
- McDonough County3
- Putnam County3
- Stark County3
- Whiteside County3
- Boone County3
- DeKalb County3
- LaSalle County3
- McHenry County3
- Winnebago County3
- Kendall County3
- Gallatin County2
- Saline County2
- Madison County2
- Clinton County2
- Fayette County2
- Monroe County2
- Perry County2
- Washington County2
- Mercer County2
- Rock Island County2
- Carroll County2
- Lee County2
- Ogle County2
- Stephenson County2
- Kane County2
- Grundy County2
- Kankakee County2
- Will County2
- Hardin County1
- Bond County1
- Saint Clair County1
- Franklin County1
- Jackson County1
- Jefferson County1
- Union County1
- Williamson County1
- Jo Daviess County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.