Alert archive / Illinois / Mesoscale Discussions / 2020
Mesoscale Discussions in Illinois, June 2020
17 mesoscale discussions in June 2020. 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 June 2020. Tap one for its archive.
- Mesoscale Discussions
- 17
- Busiest day
- June 26, 20204 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 3, 9:52 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 113 min |
| Jun 3, 1:45 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 33 more | 2 hr |
| Jun 3, 6:37 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 15 more | 113 min |
| Jun 4, 2:42 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 2 hr |
| Jun 4, 5:14 PM CDT | Mesoscale Discussion | SPC | Rock Island | 91 min |
| Jun 4, 10:50 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 115 min |
| Jun 5, 7:59 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Henderson, McDonough, Pike and 1 more | 91 min |
| Jun 5, 12:26 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 13 more | 94 min |
| Jun 9, 3:54 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 10 more | 66 min |
| Jun 9, 6:20 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 9 more | 115 min |
| Jun 22, 12:48 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 40 more | 2 hr |
| Jun 22, 3:38 PM CDT | Mesoscale Discussion | SPC | Brown, Calhoun, Cass, Champaign, Christian, DeWitt and 28 more | 97 min |
| Jun 26, 12:38 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 10 more | 2 hr |
| Jun 26, 3:39 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 14 more | 2 hr |
| Jun 26, 5:40 PM CDT | Mesoscale Discussion | SPC | Henderson, Mercer | 65 min |
| Jun 26, 6:06 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Kane, Lake | 84 min |
| Jun 26, 9:40 PM CDT | Mesoscale Discussion | SPC | Ford, Iroquois, Kankakee | 95 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County6
- DeKalb County6
- DuPage County6
- Kane County6
- Adams County5
- Cass County5
- Grundy County5
- Kendall County5
- Lake County5
- McHenry County5
- Will County5
- Fulton County4
- Hancock County4
- Henderson County4
- McDonough County4
- Mason County4
- Menard County4
- Peoria County4
- Schuyler County4
- Tazewell County4
- Warren County4
- Morgan County4
- Pike County4
- Sangamon County4
- Henry County4
- Rock Island County4
- Jo Daviess County4
- Boone County4
- Bureau County4
- Cook County4
- LaSalle County4
- Lee County4
- Ford County4
- Iroquois County4
- Kankakee County4
- Knox County3
- Stark County3
- Woodford County3
- Christian County3
- Edwards County3
59 more counties
- Greene County3
- Hamilton County3
- Lawrence County3
- Richland County3
- Scott County3
- Wabash County3
- Wayne County3
- White County3
- Logan County3
- Carroll County3
- Ogle County3
- Stephenson County3
- Whiteside County3
- Winnebago County3
- Livingston County3
- Marshall County2
- Calhoun County2
- Clay County2
- Crawford County2
- Jefferson County2
- Jersey County2
- Macoupin County2
- Montgomery County2
- Moultrie County2
- Mercer County2
- Franklin County2
- Gallatin County2
- Hardin County2
- Pope County2
- Saline County2
- Williamson County2
- Champaign County2
- DeWitt County2
- McLean County2
- Macon County2
- Piatt County2
- Bond County1
- Clark County1
- Clinton County1
- Coles County1
- Cumberland County1
- Edgar County1
- Effingham County1
- Fayette County1
- Jasper County1
- Madison County1
- Marion County1
- Monroe County1
- Saint Clair County1
- Shelby County1
- Washington County1
- Alexander County1
- Johnson County1
- Massac County1
- Pulaski County1
- Union County1
- Putnam County1
- Douglas County1
- Vermilion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.