Alert archive / Illinois / Mesoscale Discussions / 2023
Mesoscale Discussions in Illinois, February 2023
10 mesoscale discussions in February 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 February 2023. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- February 22, 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 |
|---|---|---|---|---|
| Feb 9, 9:48 AM CST | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 4 hr |
| Feb 16, 8:02 AM CST | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 2 more | 6 hr |
| Feb 22, 8:46 AM CST | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 5 hr |
| Feb 22, 10:59 AM CST | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Crawford, Cumberland and 11 more | 91 min |
| Feb 22, 12:04 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clinton, Fayette, Greene and 19 more | 56 min |
| Feb 22, 2:27 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 40 more | 2 hr |
| Feb 22, 3:27 PM CST | Mesoscale Discussion | SPC | Boone, Lake, McHenry, Winnebago | 4 hr |
| Feb 27, 1:43 AM CST | Mesoscale Discussion | SPC | Adams, Alexander, Brown, Calhoun, Greene, Hancock and 8 more | 62 min |
| Feb 27, 8:46 AM CST | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Piatt, Vermilion | 89 min |
| Feb 27, 9:44 AM CST | Mesoscale Discussion | SPC | Clark, Douglas, Edgar, Vermilion | 61 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Vermilion County4
- Jo Daviess County3
- Stephenson County3
- Boone County3
- McHenry County3
- Winnebago County3
- Champaign County3
- Christian County3
- Clark County3
- Douglas County3
- Edgar County3
- Macon County3
- Montgomery County3
- Piatt County3
- Shelby County3
- Macoupin County3
- Madison County3
- Monroe County3
- Randolph County3
- Saint Clair County3
- Coles County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Moultrie County2
- Bond County2
- Calhoun County2
- Clinton County2
- Fayette County2
- Greene County2
- Jackson County2
- Jefferson County2
- Jersey County2
- Marion County2
- Perry County2
- Pike County2
- Sangamon County2
- Scott County2
- Washington County2
28 more counties
- Alexander County2
- Carroll County1
- Ogle County1
- Whiteside County1
- DeWitt County1
- Menard County1
- Morgan County1
- Clay County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Johnson County1
- Lawrence County1
- Pulaski County1
- Richland County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
- Lake County1
- Adams County1
- Brown County1
- Hancock County1
- Ford County1
- Iroquois 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.