Alert archive / Illinois / Mesoscale Discussions / 2007
Mesoscale Discussions in Illinois, August 2007
38 mesoscale discussions in August 2007. 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 2007. Tap one for its archive.
- Mesoscale Discussions
- 38
- Busiest day
- August 8, 20074 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 4, 1:01 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Clark, Coles and 19 more | 2 hr |
| Aug 5, 3:54 PM CDT | Mesoscale Discussion | SPC | Rock Island | 96 min |
| Aug 5, 7:56 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 7 more | 64 min |
| Aug 6, 2:22 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 10 more | 83 min |
| Aug 7, 1:58 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 11 more | 2 hr |
| Aug 7, 8:13 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, DeWitt, Ford, Fulton, Grundy and 27 more | 92 min |
| Aug 8, 12:14 PM CDT | Mesoscale Discussion | SPC | Edgar, Iroquois, Vermilion | 91 min |
| Aug 8, 3:28 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 23 more | 62 min |
| Aug 8, 6:59 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 29 more | 61 min |
| Aug 8, 9:16 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, DeWitt, Fulton and 16 more | 59 min |
| Aug 12, 1:20 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 8 more | 25 min |
| Aug 12, 3:05 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 55 min |
| Aug 12, 8:30 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 90 min |
| Aug 13, 12:26 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 23 more | 64 min |
| Aug 14, 1:23 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 9 more | 67 min |
| Aug 14, 5:43 AM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, DeWitt, DuPage, Ford and 28 more | 62 min |
| Aug 15, 7:15 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Lee, Ogle, Stephenson, Whiteside and 1 more | 60 min |
| Aug 15, 7:50 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Jo Daviess, Kane and 9 more | 55 min |
| Aug 15, 12:04 PM CDT | Mesoscale Discussion | SPC | Bureau, Henderson, Henry, Knox, Marshall, Mercer and 8 more | 86 min |
| Aug 15, 9:11 PM CDT | Mesoscale Discussion | SPC | Kendall, Will | 64 min |
| Aug 16, 7:36 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, Fulton, Hancock and 11 more | 54 min |
| Aug 16, 12:49 PM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Lawrence, Richland, Wabash | 56 min |
| Aug 19, 6:12 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Ogle and 2 more | 93 min |
| Aug 19, 1:20 PM CDT | Mesoscale Discussion | SPC | DeKalb, Henderson, Henry, Jo Daviess, Kendall, Knox and 9 more | 3 hr |
| Aug 19, 6:25 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 31 more | 2 hr |
| Aug 21, 2:27 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Edwards, Hamilton, Jasper and 5 more | 3 hr |
| Aug 21, 10:49 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Whiteside | 86 min |
| Aug 22, 2:13 AM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, Lake, McHenry, Stephenson, Winnebago | 62 min |
| Aug 22, 4:53 AM CDT | Mesoscale Discussion | SPC | Kankakee, Will | 67 min |
| Aug 22, 3:17 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Ford and 28 more | 2 hr |
| Aug 22, 7:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 25 more | 2 hr |
| Aug 23, 10:36 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 114 min |
| Aug 23, 3:10 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 7 more | 95 min |
| Aug 23, 5:38 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 25 more | 97 min |
| Aug 23, 11:07 PM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henderson, Henry, Kankakee, Kendall and 11 more | 53 min |
| Aug 24, 11:12 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Coles and 24 more | 93 min |
| Aug 24, 2:44 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 34 more | 91 min |
| Aug 24, 5:50 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 39 more | 85 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kendall County14
- Tazewell County12
- Bureau County12
- Henry County12
- Whiteside County12
- Putnam County12
- Rock Island County11
- Ford County11
- Iroquois County11
- Kankakee County11
- Carroll County11
- Jo Daviess County11
- Kane County11
- Ogle County11
- Stephenson County11
- Winnebago County11
- Stark County11
- Will County11
- DeWitt County10
- Fulton County10
- Henderson County10
- Logan County10
- McDonough County10
- McLean County10
- Macon County10
- Livingston County10
- Woodford County10
- Boone County10
- DeKalb County10
- Grundy County10
- Lee County10
- Knox County10
- Marshall County10
- Mercer County10
- Peoria County10
- Hancock County9
- Mason County9
- Menard County9
- Moultrie County9
- Piatt County9
55 more counties
- Warren County9
- LaSalle County9
- Christian County9
- Cass County8
- Clark County8
- Coles County8
- Douglas County8
- Edgar County8
- Sangamon County8
- Schuyler County8
- DuPage County8
- Lake County8
- McHenry County8
- Brown County7
- Champaign County7
- Crawford County7
- Cumberland County7
- Shelby County7
- Adams County6
- Vermilion County6
- Morgan County6
- Scott County6
- Fayette County6
- Greene County6
- Jasper County6
- Jersey County6
- Macoupin County6
- Montgomery County6
- Richland County6
- Pike County5
- Effingham County5
- Cook County5
- Bond County5
- Clay County5
- Madison County5
- Saint Clair County5
- Wayne County5
- Lawrence County5
- Calhoun County4
- Clinton County4
- Jefferson County4
- Marion County4
- Washington County4
- Edwards County3
- Wabash County3
- Monroe County3
- Randolph County3
- Hamilton County2
- White County2
- Franklin County2
- Jackson County2
- Perry County2
- Saline County1
- Union County1
- Williamson County1
Nearby
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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.