Alert archive / Illinois / Mesoscale Discussions / 2020
Mesoscale Discussions in Illinois, January 2020
4 mesoscale discussions in January 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 January 2020. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- January 17, 20202 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 10, 5:50 PM CST | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 6 hr |
| Jan 11, 3:10 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Cook and 35 more | 4 hr |
| Jan 17, 9:45 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 22 more | 6 hr |
| Jan 17, 4:07 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 26 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County3
- Brown County3
- Calhoun County3
- Cass County3
- Greene County3
- Jersey County3
- Macoupin County3
- Menard County3
- Morgan County3
- Pike County3
- Sangamon County3
- Schuyler County3
- Scott County3
- DeWitt County2
- Fulton County2
- Hancock County2
- Logan County2
- McDonough County2
- McLean County2
- Mason County2
- Tazewell County2
- Bond County2
- Christian County2
- Macon County2
- Madison County2
- Montgomery County2
- Moultrie County2
- Shelby County2
- Jo Daviess County1
- Stephenson County1
- Bureau County1
- Cook County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Kane County1
- Kankakee County1
- Kendall County1
- Knox County1
22 more counties
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- Marshall County1
- Peoria County1
- Putnam County1
- Stark County1
- Will County1
- Woodford County1
- Clinton County1
- Cumberland County1
- Effingham County1
- Fayette County1
- Marion County1
- Monroe County1
- Saint Clair County1
- Washington County1
- Champaign County1
- Coles County1
- Douglas County1
- Piatt 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.