Alert archive / Illinois / Mesoscale Discussions / 2012
Mesoscale Discussions in Illinois, July 2012
30 mesoscale discussions in July 2012. 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 July 2012. Tap one for its archive.
- Mesoscale Discussions
- 30
- Busiest day
- July 26, 20127 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 |
|---|---|---|---|---|
| Jul 1, 11:33 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Iroquois, Kane and 4 more | 57 min |
| Jul 1, 1:59 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Johnson and 7 more | 61 min |
| Jul 2, 5:16 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Cass, Christian, Clark and 49 more | 2 hr |
| Jul 2, 7:23 PM CDT | Mesoscale Discussion | SPC | Boone, DuPage, Kane, McHenry, Winnebago | 2 hr |
| Jul 6, 12:42 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 93 min |
| Jul 8, 12:14 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Lawrence, Saline and 4 more | 91 min |
| Jul 8, 6:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 8 more | 3 hr |
| Jul 18, 11:38 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 11 more | 67 min |
| Jul 18, 3:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 20 more | 53 min |
| Jul 18, 6:56 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Jo Daviess and 8 more | 94 min |
| Jul 19, 2:27 PM CDT | Mesoscale Discussion | SPC | Edgar, Vermilion | 93 min |
| Jul 23, 11:13 PM CDT | Mesoscale Discussion | SPC | Stephenson | 92 min |
| Jul 24, 3:32 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 10 more | 58 min |
| Jul 24, 6:35 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 4 more | 55 min |
| Jul 24, 3:25 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Crawford, Edwards, Effingham, Fayette and 20 more | 95 min |
| Jul 25, 3:48 PM CDT | Mesoscale Discussion | SPC | Cook, Will | 117 min |
| Jul 25, 8:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 65 min |
| Jul 25, 11:34 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 7 more | 86 min |
| Jul 26, 1:40 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 15 more | 65 min |
| Jul 26, 12:09 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 2 hr |
| Jul 26, 1:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Cumberland, Edwards and 27 more | 65 min |
| Jul 26, 3:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more | 35 min |
| Jul 26, 6:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 5 more | 61 min |
| Jul 26, 7:55 PM CDT | Mesoscale Discussion | SPC | Massac | 65 min |
| Jul 27, 12:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edgar, Edwards and 21 more | 2 hr |
| Jul 29, 3:25 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more | 2 hr |
| Jul 31, 12:39 AM CDT | Mesoscale Discussion | SPC | Lake, McHenry | 96 min |
| Jul 31, 12:11 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 16 more | 64 min |
| Jul 31, 3:35 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 16 more | 55 min |
| Jul 31, 6:42 PM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Jasper, Lawrence, Richland, Wabash and 1 more | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallatin County11
- Saline County10
- White County10
- Williamson County10
- Franklin County9
- Hamilton County9
- Hardin County9
- Johnson County9
- Pope County9
- Massac County9
- McHenry County9
- DeKalb County8
- DuPage County8
- Kane County8
- Jackson County8
- Perry County8
- Union County8
- Edwards County8
- Jasper County8
- Lawrence County8
- Richland County8
- Boone County8
- Grundy County7
- Kendall County7
- Will County7
- Randolph County7
- Alexander County7
- Clay County7
- Crawford County7
- Pulaski County7
- Wabash County7
- Wayne County7
- Winnebago County7
- Stephenson County7
- Jefferson County6
- Jo Daviess County6
- Ogle County6
- Whiteside County6
- Cook County5
- LaSalle County5
61 more counties
- Edgar County5
- Effingham County5
- Bureau County5
- Carroll County5
- Lee County5
- Clark County4
- Clinton County4
- Cumberland County4
- Marion County4
- Shelby County4
- Washington County4
- Henry County4
- Lake County4
- Iroquois County3
- Kankakee County3
- Coles County3
- Douglas County3
- Fayette County3
- Macon County3
- Monroe County3
- Moultrie County3
- Piatt County3
- Saint Clair County3
- Mercer County3
- Rock Island County3
- Bond County2
- Cass County2
- Madison County2
- Morgan County2
- Pike County2
- Scott County2
- Marshall County2
- Putnam County2
- Stark County2
- Vermilion County2
- Knox County2
- Champaign County2
- DeWitt County2
- Calhoun County1
- Christian County1
- Greene County1
- Jersey County1
- Macoupin County1
- Menard County1
- Montgomery County1
- Sangamon County1
- Livingston County1
- Woodford County1
- Adams County1
- Brown County1
- Fulton County1
- Hancock County1
- Henderson County1
- McDonough County1
- Mason County1
- Schuyler County1
- Tazewell County1
- Warren County1
- Ford County1
- Logan County1
- McLean County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.