Alert archive / Illinois / Mesoscale Discussions / 2018
Mesoscale Discussions in Illinois, January 2018
6 mesoscale discussions in January 2018. 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 2018. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- January 7, 20182 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 7, 1:49 PM CST | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Grundy and 16 more | 4 hr |
| Jan 7, 2:00 PM CST | Mesoscale Discussion | SPC | Brown, Bureau, Cass, Cook, DeKalb, DeWitt and 32 more | 4 hr |
| Jan 7, 6:16 PM CST | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cook, Crawford, DeKalb and 12 more | 6 hr |
| Jan 11, 9:36 AM CST | Mesoscale Discussion | SPC | Henderson, Mercer, Rock Island | 4 hr |
| Jan 11, 8:43 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 36 more | 6 hr |
| Jan 12, 2:00 AM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County3
- DeKalb County3
- DuPage County3
- Ford County3
- Grundy County3
- Iroquois County3
- Kane County3
- Kankakee County3
- Kendall County3
- Livingston County3
- Mercer County3
- Rock Island County3
- Will County3
- Bureau County2
- Henry County2
- LaSalle County2
- Lee County2
- Marshall County2
- Putnam County2
- Stark County2
- Whiteside County2
- Woodford County2
- Henderson County2
- Champaign County2
- Clark County2
- Coles County2
- Crawford County2
- Douglas County2
- Edgar County2
- Vermilion County2
- Brown County1
- Cass County1
- DeWitt County1
- Fulton County1
- Hancock County1
- Knox County1
- Logan County1
- McDonough County1
- McLean County1
- Mason County1
44 more counties
- Menard County1
- Peoria County1
- Schuyler County1
- Tazewell County1
- Warren County1
- Alexander County1
- Bond County1
- Christian County1
- Clay County1
- Clinton County1
- Cumberland County1
- Edwards County1
- Effingham County1
- Fayette County1
- Franklin County1
- Hamilton County1
- Jackson County1
- Jasper County1
- Jefferson County1
- Johnson County1
- Lawrence County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Moultrie County1
- Perry County1
- Piatt County1
- Pulaski County1
- Randolph County1
- Richland County1
- Saint Clair County1
- Saline County1
- Shelby County1
- Union County1
- Wabash County1
- Washington County1
- Wayne County1
- White County1
- Williamson County1
- Gallatin County1
- Hardin County1
- Massac County1
- Pope County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.