Alert archive / Illinois / Mesoscale Discussions / 2021
Mesoscale Discussions in Illinois, February 2021
4 mesoscale discussions in February 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 February 2021. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- February 15, 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 |
|---|---|---|---|---|
| Feb 10, 11:18 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 4 hr |
| Feb 15, 5:57 AM CST | Mesoscale Discussion | SPC | Alexander, Massac, Pope, Pulaski | 6 hr |
| Feb 15, 10:44 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 37 more | 6 hr |
| Feb 15, 2:52 PM CST | Mesoscale Discussion | SPC | Brown, Bureau, Calhoun, Cass, Champaign, Christian and 36 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County3
- Massac County3
- Pope County3
- Pulaski County3
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Lawrence County2
- Perry County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Vermilion County2
- Bond County1
- Clark County1
- Clay County1
- Clinton County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Effingham County1
- Fayette County1
- Jasper County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Moultrie County1
- Randolph County1
- Richland County1
44 more counties
- Saint Clair County1
- Shelby County1
- Washington County1
- Brown County1
- Bureau County1
- Calhoun County1
- Cass County1
- Champaign County1
- Christian County1
- Cook County1
- DeWitt County1
- DuPage County1
- Ford County1
- Fulton County1
- Greene County1
- Grundy County1
- Iroquois County1
- Jersey County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Livingston County1
- Logan County1
- McDonough County1
- McLean County1
- Macon County1
- Macoupin County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Piatt County1
- Pike County1
- Putnam County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Will County1
- Woodford 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. Rebuilt daily.