Alert archive / Illinois / Mesoscale Discussions / 2019
Mesoscale Discussions in Illinois, December 2019
3 mesoscale discussions in December 2019. 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 December 2019. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- December 15, 20192 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 |
|---|---|---|---|---|
| Dec 15, 10:05 AM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Effingham, Fayette and 12 more | 4 hr |
| Dec 15, 2:11 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 34 more | 4 hr |
| Dec 16, 10:36 AM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 32 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County3
- Calhoun County3
- Clay County3
- Clinton County3
- Effingham County3
- Fayette County3
- Jefferson County3
- Jersey County3
- Macoupin County3
- Madison County3
- Marion County3
- Monroe County3
- Montgomery County3
- Saint Clair County3
- Washington County3
- Wayne County3
- Greene County2
- Hamilton County2
- Christian County2
- Clark County2
- Coles County2
- Crawford County2
- Cumberland County2
- Edwards County2
- Jasper County2
- Lawrence County2
- Richland County2
- Shelby County2
- Wabash County2
- Cass County1
- Champaign County1
- Douglas County1
- Edgar County1
- Macon County1
- Menard County1
- Morgan County1
- Moultrie County1
- Piatt County1
- Pike County1
- Sangamon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.