Alert archive / Illinois / Mesoscale Discussions / 2013
Mesoscale Discussions in Illinois, August 2013
18 mesoscale discussions in August 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 August 2013. Tap one for its archive.
- Mesoscale Discussions
- 18
- Busiest day
- August 7, 20136 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 2, 2:24 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Champaign, Cook, DeKalb, DeWitt and 33 more | 66 min |
| Aug 6, 9:37 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 113 min |
| Aug 7, 2:41 AM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Mercer, Rock Island, Warren and 1 more | 2 hr |
| Aug 7, 5:32 AM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Mercer, Rock Island, Warren and 1 more | 103 min |
| Aug 7, 6:36 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 114 min |
| Aug 7, 7:52 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 113 min |
| Aug 7, 1:46 PM CDT | Mesoscale Discussion | SPC | Cook, DeWitt, DuPage, Ford, Fulton, Grundy and 14 more | 119 min |
| Aug 12, 10:57 AM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 93 min |
| Aug 12, 3:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Pulaski, Union, Williamson | 83 min |
| Aug 22, 1:51 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 16 more | 2 hr |
| Aug 27, 8:29 PM CDT | Mesoscale Discussion | SPC | Lake | 61 min |
| Aug 30, 12:24 PM CDT | Mesoscale Discussion | SPC | Boone, Lake, McHenry, Stephenson, Winnebago | 2 hr |
| Aug 30, 5:14 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 14 more | 61 min |
| Aug 30, 7:10 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 65 min |
| Aug 30, 8:32 PM CDT | Mesoscale Discussion | SPC | DeKalb, Grundy, Kankakee, Kendall, LaSalle, Lee and 3 more | 58 min |
| Aug 31, 2:24 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 49 more | 2 hr |
| Aug 31, 6:05 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Jackson, Monroe, Perry, Randolph and 2 more | 85 min |
| Aug 31, 6:09 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Crawford, Cumberland and 17 more | 66 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grundy County6
- Kendall County6
- Will County6
- Kankakee County5
- Lake County5
- LaSalle County5
- Cook County4
- DeWitt County4
- DuPage County4
- Ford County4
- Henderson County4
- Logan County4
- Mercer County4
- Rock Island County4
- Warren County4
- Whiteside County4
- Champaign County3
- DeKalb County3
- Henry County3
- Iroquois County3
- Kane County3
- Lee County3
- Livingston County3
- McLean County3
- Mason County3
- Ogle County3
- Piatt County3
- Putnam County3
- Tazewell County3
- Vermilion County3
- Hancock County3
- Monroe County3
- Randolph County3
- Jackson County3
- Clark County3
- Coles County3
- Crawford County3
- Cumberland County3
- Douglas County3
- Edgar County3
57 more counties
- Effingham County3
- Fayette County3
- Jasper County3
- Lawrence County3
- Richland County3
- Stephenson County3
- Bureau County2
- Carroll County2
- Fulton County2
- McDonough County2
- Marshall County2
- Peoria County2
- Woodford County2
- Alexander County2
- Pulaski County2
- Williamson County2
- Clay County2
- Edwards County2
- Gallatin County2
- Hamilton County2
- Jefferson County2
- Marion County2
- Saline County2
- Wabash County2
- Wayne County2
- White County2
- Boone County2
- McHenry County2
- Winnebago County2
- Bond County2
- Christian County2
- Clinton County2
- Macon County2
- Menard County2
- Montgomery County2
- Moultrie County2
- Perry County2
- Saint Clair County2
- Sangamon County2
- Shelby County2
- Washington County2
- Knox County1
- Stark County1
- Massac County1
- Johnson County1
- Union County1
- Hardin County1
- Jo Daviess County1
- Calhoun County1
- Cass County1
- Franklin County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Morgan County1
- Scott 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.