Alert archive / Illinois / Mesoscale Discussions / 2013
Mesoscale Discussions in Illinois, September 2013
6 mesoscale discussions in September 2013. 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 September 2013. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- September 1, 20133 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 |
|---|---|---|---|---|
| Aug 31, 9:12 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 14 more | 63 min |
| Sep 1, 1:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Coles, Crawford, Cumberland and 17 more | 3 hr |
| Sep 1, 6:11 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Cass, DeKalb, DeWitt and 27 more | 2 hr |
| Sep 7, 4:01 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 119 min |
| Sep 19, 4:29 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 14 more | 91 min |
| Sep 19, 7:36 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Henry, Jo Daviess, Lee and 7 more | 114 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County4
- DeKalb County4
- Lee County4
- McHenry County4
- Bureau County3
- Kane County3
- Putnam County3
- Stark County3
- Carroll County3
- Henry County3
- Jo Daviess County3
- Mercer County3
- Ogle County3
- Rock Island County3
- Stephenson County3
- Whiteside County3
- Winnebago County3
- Bond County2
- Clay County2
- Clinton County2
- Crawford County2
- Cumberland County2
- Edwards County2
- Effingham County2
- Fayette County2
- Jasper County2
- Jefferson County2
- Lawrence County2
- Madison County2
- Marion County2
- Richland County2
- Saint Clair County2
- Wabash County2
- Washington County2
- Wayne County2
- DuPage County2
- Grundy County2
- Kendall County2
- LaSalle County2
- Livingston County2
30 more counties
- Marshall County2
- Peoria County2
- Woodford County2
- Knox County2
- Warren County2
- Clark County1
- Monroe County1
- Coles County1
- Franklin County1
- Hamilton County1
- Perry County1
- White County1
- Brown County1
- Cass County1
- DeWitt County1
- Ford County1
- Fulton County1
- Lake County1
- Logan County1
- McLean County1
- Macon County1
- Mason County1
- Menard County1
- Morgan County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Tazewell County1
- Will County1
- Henderson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.