Alert archive / Illinois / Mesoscale Discussions / 2020
Mesoscale Discussions in Illinois, November 2020
7 mesoscale discussions in November 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 November 2020. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- November 10, 20206 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 |
|---|---|---|---|---|
| Nov 10, 8:52 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, McDonough and 2 more | 113 min |
| Nov 10, 1:28 PM CST | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 92 min |
| Nov 10, 1:48 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 34 more | 87 min |
| Nov 10, 3:30 PM CST | Mesoscale Discussion | SPC | Boone, Lee, McHenry, Ogle, Winnebago | 2 hr |
| Nov 10, 5:01 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more | 119 min |
| Nov 10, 5:03 PM CST | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Iroquois, Kankakee, Lake and 2 more | 57 min |
| Nov 14, 10:32 PM CST | Mesoscale Discussion | SPC | Alexander, Pulaski | 118 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lee County3
- Ogle County3
- Adams County2
- Brown County2
- Cass County2
- Fulton County2
- Hancock County2
- McDonough County2
- Pike County2
- Schuyler County2
- Boone County2
- Cook County2
- DuPage County2
- Grundy County2
- Kankakee County2
- Lake County2
- LaSalle County2
- Livingston County2
- McHenry County2
- Stephenson County2
- Will County2
- Winnebago County2
- DeWitt County2
- Logan County2
- McLean County2
- DeKalb County1
- Ford County1
- Kane County1
- Kendall County1
- Bureau County1
- Calhoun County1
- Carroll County1
- Greene County1
- Henderson County1
- Henry County1
- Jersey County1
- Jo Daviess County1
- Knox County1
- Macoupin County1
- Marshall County1
46 more counties
- Mason County1
- Menard County1
- Mercer County1
- Morgan County1
- Peoria County1
- Putnam County1
- Rock Island County1
- Sangamon County1
- Scott County1
- Stark County1
- Tazewell County1
- Warren County1
- Whiteside County1
- Woodford County1
- Bond County1
- Champaign County1
- Christian County1
- Clark County1
- Clay County1
- Clinton County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Effingham County1
- Fayette County1
- Jasper County1
- Jefferson County1
- Lawrence County1
- Macon County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Moultrie County1
- Piatt County1
- Richland County1
- Saint Clair County1
- Shelby County1
- Vermilion County1
- Washington County1
- Wayne County1
- Iroquois County1
- Alexander County1
- Pulaski 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.