Alert archive / Illinois / Mesoscale Discussions / 2022
Mesoscale Discussions in Illinois, September 2022
6 mesoscale discussions in September 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 September 2022. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- September 19, 20223 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 |
|---|---|---|---|---|
| Sep 3, 1:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more | 2 hr |
| Sep 18, 3:56 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson | 2 hr |
| Sep 18, 8:41 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 12 more | 3 hr |
| Sep 18, 11:28 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more | 2 hr |
| Sep 19, 1:58 AM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, Christian, Clark, Coles and 25 more | 92 min |
| Sep 20, 3:34 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Kane, Kendall, Lee and 4 more | 116 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hancock County3
- Henderson County3
- Brown County3
- Cass County3
- Fulton County3
- McDonough County3
- Mason County3
- Menard County3
- Schuyler County3
- Tazewell County3
- Adams County2
- Knox County2
- Peoria County2
- Warren County2
- Christian County2
- DeWitt County2
- Fayette County2
- Logan County2
- McLean County2
- Macon County2
- Macoupin County2
- Montgomery County2
- Morgan County2
- Moultrie County2
- Piatt County2
- Sangamon County2
- Scott County2
- Shelby County2
- Alexander County1
- Gallatin County1
- Hardin County1
- Johnson County1
- Massac County1
- Pope County1
- Pulaski County1
- Saline County1
- Henry County1
- Mercer County1
- Rock Island County1
- Stark County1
27 more counties
- Bond County1
- Calhoun County1
- Greene County1
- Jersey County1
- Madison County1
- Marshall County1
- Pike County1
- Woodford County1
- Champaign County1
- Clark County1
- Coles County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Effingham County1
- Ford County1
- Vermilion County1
- Boone County1
- Carroll County1
- DeKalb County1
- Kane County1
- Kendall County1
- Lee County1
- McHenry County1
- Ogle County1
- Stephenson County1
- Winnebago 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.