Alert archive / Illinois / Mesoscale Discussions / 2021
Mesoscale Discussions in Illinois, January 2021
4 mesoscale discussions in January 2021. 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 January 2021. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- January 1, 20213 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 |
|---|---|---|---|---|
| Jan 1, 1:08 AM CST | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 43 more | 5 hr |
| Jan 1, 2:33 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 4 more | 5 hr |
| Jan 1, 6:35 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, DeWitt and 34 more | 4 hr |
| Jan 30, 6:23 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, DuPage, Grundy, Kane and 7 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County3
- Cass County3
- Morgan County3
- Pike County3
- Schuyler County3
- Scott County3
- Calhoun County2
- Champaign County2
- DeWitt County2
- Greene County2
- Jersey County2
- Logan County2
- McLean County2
- Macon County2
- Mason County2
- Menard County2
- Piatt County2
- Sangamon County2
- Tazewell County2
- Adams County2
- Bureau County2
- Grundy County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Putnam County2
- Will County2
- Bond County1
- Christian County1
- Clark County1
- Clay County1
- Clinton County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Edwards County1
- Effingham County1
- Fayette County1
39 more counties
- Franklin County1
- Hamilton County1
- Jasper County1
- Jefferson County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Moultrie County1
- Perry County1
- Randolph County1
- Richland County1
- Saint Clair County1
- Shelby County1
- Washington County1
- Wayne County1
- Ford County1
- Fulton County1
- Hancock County1
- Henderson County1
- Henry County1
- Iroquois County1
- Knox County1
- Livingston County1
- McDonough County1
- Marshall County1
- Mercer County1
- Peoria County1
- Stark County1
- Vermilion County1
- Warren County1
- Woodford County1
- Carroll County1
- DeKalb County1
- DuPage County1
- Kane County1
- Lee County1
- Whiteside County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.