Alert archive / Illinois / Mesoscale Discussions / 2007
Mesoscale Discussions in Illinois, December 2007
19 mesoscale discussions in December 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 December 2007. Tap one for its archive.
- Mesoscale Discussions
- 19
- Busiest day
- December 1, 20073 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 |
|---|---|---|---|---|
| Dec 1, 6:48 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 3 more | 3 hr |
| Dec 1, 7:04 AM CST | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Knox, Mercer, Peoria and 3 more | 4 hr |
| Dec 1, 12:01 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 6 hr |
| Dec 1, 6:21 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more | 5 hr |
| Dec 6, 12:26 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Hancock and 13 more | 5 hr |
| Dec 6, 6:01 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 36 more | 5 hr |
| Dec 8, 12:07 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 18 more | 4 hr |
| Dec 8, 11:27 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 34 more | 6 hr |
| Dec 9, 5:41 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 27 more | 5 hr |
| Dec 9, 12:11 PM CST | Mesoscale Discussion | SPC | Ford, Iroquois, Kankakee | 4 hr |
| Dec 10, 6:36 AM CST | Mesoscale Discussion | SPC | Jersey, Monroe | 5 hr |
| Dec 10, 11:15 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 6 hr |
| Dec 11, 5:56 AM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more | 6 hr |
| Dec 11, 11:47 AM CST | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, Ogle, Rock Island, Stephenson and 2 more | 3 hr |
| Dec 14, 11:33 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Jersey, Macoupin, Madison and 7 more | 4 hr |
| Dec 15, 6:29 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Champaign and 44 more | 6 hr |
| Dec 15, 11:52 PM CST | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 9 more | 5 hr |
| Dec 22, 6:46 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Carroll, Fulton, Hancock, Henderson and 12 more | 4 hr |
| Dec 23, 12:37 AM CST | Mesoscale Discussion | SPC | Jo Daviess | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McDonough County9
- Fulton County8
- Jo Daviess County8
- Adams County7
- Brown County7
- Morgan County7
- Schuyler County7
- Carroll County7
- Rock Island County7
- Whiteside County7
- Kankakee County7
- Calhoun County7
- Jersey County7
- Cass County6
- Henderson County6
- Henry County6
- Knox County6
- Mercer County6
- Peoria County6
- Stark County6
- Ford County6
- Livingston County6
- Stephenson County6
- Tazewell County6
- Warren County6
- Will County6
- Greene County6
- Pike County6
- Scott County6
- Macoupin County6
- Moultrie County6
- Piatt County6
- Hancock County5
- Boone County5
- Bureau County5
- Cook County5
- DeKalb County5
- DuPage County5
- Grundy County5
- Kane County5
52 more counties
- Kendall County5
- Lake County5
- LaSalle County5
- Lee County5
- McLean County5
- Marshall County5
- Mason County5
- Ogle County5
- Putnam County5
- Winnebago County5
- Woodford County5
- Madison County5
- Christian County5
- Macon County5
- Montgomery County5
- Sangamon County5
- Champaign County5
- Iroquois County5
- McHenry County4
- Monroe County4
- DeWitt County4
- Logan County4
- Menard County4
- Vermilion County4
- Randolph County3
- Saint Clair County3
- Bond County3
- Coles County3
- Douglas County3
- Edgar County3
- Clark County2
- Clinton County2
- Crawford County2
- Cumberland County2
- Marion County2
- Perry County2
- Shelby County2
- Washington County2
- Clay County1
- Edwards County1
- Effingham County1
- Fayette County1
- Franklin County1
- Hamilton County1
- Jackson County1
- Jasper County1
- Jefferson County1
- Lawrence County1
- Richland County1
- Wabash County1
- Wayne County1
- White County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.