Alert archive / Illinois / Mesoscale Discussions / 2011
Mesoscale Discussions in Illinois, January 2011
3 mesoscale discussions in January 2011. 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 2011. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- January 31, 20112 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 17, 6:35 AM CST | Mesoscale Discussion | SPC | Bureau, Henderson, Henry, Knox, Mercer, Rock Island and 3 more | 4 hr |
| Jan 31, 11:52 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 29 more | 4 hr |
| Jan 31, 2:45 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Vermilion | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bureau County1
- Henderson County1
- Henry County1
- Knox County1
- Mercer County1
- Rock Island County1
- Stark County1
- Warren County1
- Whiteside County1
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Cass County1
- Champaign County1
- Christian County1
- Coles County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Effingham County1
- Fayette County1
- Ford County1
- Fulton County1
- Greene County1
- Jersey County1
- Logan County1
- McDonough County1
- McLean County1
- Macon County1
- Macoupin County1
- Madison County1
- Mason County1
- Menard County1
- Montgomery County1
- Morgan County1
- Moultrie County1
- Piatt County1
- Pike County1
- Sangamon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.