Alert archive / Illinois / Mesoscale Discussions / 2008
Mesoscale Discussions in Illinois, December 2008
24 mesoscale discussions in December 2008. 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 2008. Tap one for its archive.
- Mesoscale Discussions
- 24
- Busiest day
- December 27, 20089 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, 12:37 AM CST | Mesoscale Discussion | SPC | Cook, DuPage, Lake | 4 hr |
| Dec 8, 7:12 PM CST | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 2 hr |
| Dec 8, 11:43 PM CST | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Stephenson | 2 hr |
| Dec 9, 6:58 PM CST | Mesoscale Discussion | SPC | Monroe | 3 hr |
| Dec 14, 5:47 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 30 more | 4 hr |
| Dec 14, 11:47 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 51 more | 4 hr |
| Dec 15, 11:43 PM CST | Mesoscale Discussion | SPC | Massac | 4 hr |
| Dec 16, 5:28 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more | 4 hr |
| Dec 18, 6:46 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Champaign and 46 more | 6 hr |
| Dec 19, 12:45 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 45 more | 4 hr |
| Dec 19, 6:22 AM CST | Mesoscale Discussion | SPC | Cook, DuPage, Kane, Lake, McHenry, Will | 5 hr |
| Dec 23, 6:02 AM CST | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 4 hr |
| Dec 23, 10:30 AM CST | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 10 more | 4 hr |
| Dec 23, 12:08 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Cass, Champaign, Christian and 60 more | 4 hr |
| Dec 23, 6:22 PM CST | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Ford, Grundy, Iroquois and 10 more | 4 hr |
| Dec 26, 11:15 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Fulton, Hancock, Henderson, Knox and 6 more | 90 min |
| Dec 27, 8:03 AM CST | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Clinton, Greene, Jersey and 8 more | 117 min |
| Dec 27, 8:48 AM CST | Mesoscale Discussion | SPC | Cass, Christian, DeWitt, Fulton, Knox, Logan and 9 more | 27 min |
| Dec 27, 9:34 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Jackson, Jersey and 8 more | 56 min |
| Dec 27, 10:26 AM CST | Mesoscale Discussion | SPC | Adams, Alexander, Bond, Brown, Calhoun, Cass and 45 more | 94 min |
| Dec 27, 11:46 AM CST | Mesoscale Discussion | SPC | Bureau, Calhoun, Cass, Christian, DeKalb, DeWitt and 32 more | 89 min |
| Dec 27, 1:54 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 29 more | 2 hr |
| Dec 27, 3:46 PM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Clinton, Coles, Crawford and 27 more | 89 min |
| Dec 27, 5:06 PM CST | Mesoscale Discussion | SPC | Crawford, Edwards, Gallatin, Hamilton, Hardin, Johnson and 10 more | 84 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fulton County9
- Logan County9
- Tazewell County9
- Woodford County9
- Macon County9
- Piatt County9
- Cass County8
- Mason County8
- Menard County8
- Morgan County8
- Sangamon County8
- Christian County8
- DeWitt County8
- Ford County8
- McLean County8
- Monroe County7
- Brown County7
- Calhoun County7
- Greene County7
- Jersey County7
- Macoupin County7
- Peoria County7
- Scott County7
- Champaign County7
- Clinton County7
- Douglas County7
- Livingston County7
- Madison County7
- Will County7
- DuPage County6
- Adams County6
- Knox County6
- McDonough County6
- Pike County6
- Schuyler County6
- Stark County6
- Bond County6
- Grundy County6
- Iroquois County6
- Kankakee County6
62 more counties
- Moultrie County6
- Saint Clair County6
- Massac County6
- Alexander County6
- Rock Island County5
- Bureau County5
- LaSalle County5
- Lee County5
- Marshall County5
- Putnam County5
- Warren County5
- Fayette County5
- Kane County5
- Kendall County5
- Montgomery County5
- Johnson County5
- Pope County5
- Pulaski County5
- Coles County5
- Edgar County5
- Vermilion County5
- Union County5
- Clay County5
- Crawford County5
- Cumberland County5
- Effingham County5
- Lawrence County5
- Marion County5
- Richland County5
- Randolph County5
- Cook County4
- Hancock County4
- Henderson County4
- Henry County4
- Mercer County4
- Whiteside County4
- DeKalb County4
- Shelby County4
- Gallatin County4
- Saline County4
- Clark County4
- Edwards County4
- Franklin County4
- Hamilton County4
- Jasper County4
- Jefferson County4
- Wabash County4
- Wayne County4
- White County4
- Jackson County4
- Perry County4
- Washington County4
- Williamson County4
- Lake County3
- Carroll County3
- Ogle County3
- Hardin County3
- Jo Daviess County2
- McHenry County2
- Stephenson County2
- Boone County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.