Alert archive / Illinois / Mesoscale Discussions / 2010
Mesoscale Discussions in Illinois, August 2010
19 mesoscale discussions in August 2010. 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 2010. Tap one for its archive.
- Mesoscale Discussions
- 19
- Busiest day
- August 4, 20104 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 3, 12:04 AM CDT | Mesoscale Discussion | SPC | Rock Island | 3 hr |
| Aug 3, 4:55 AM CDT | Mesoscale Discussion | SPC | DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 5 more | 95 min |
| Aug 4, 1:05 AM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Grundy, Hancock, Henderson, Henry and 17 more | 85 min |
| Aug 4, 3:42 AM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henderson, Henry, Kankakee, Kendall and 14 more | 63 min |
| Aug 4, 6:45 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Iroquois, Kankakee, Will | 60 min |
| Aug 4, 2:27 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 30 more | 33 min |
| Aug 4, 7:55 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Jasper | 65 min |
| Aug 5, 6:20 AM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 85 min |
| Aug 8, 9:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess | 95 min |
| Aug 8, 11:19 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Whiteside | 86 min |
| Aug 9, 2:20 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 15 more | 100 min |
| Aug 9, 4:46 AM CDT | Mesoscale Discussion | SPC | Henderson, Henry, Mercer, Rock Island, Warren | 3 hr |
| Aug 9, 11:15 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Fulton, Knox, Logan and 5 more | 3 hr |
| Aug 12, 12:51 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 54 min |
| Aug 13, 1:54 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Hancock, Henderson and 14 more | 66 min |
| Aug 13, 5:27 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 31 more | 63 min |
| Aug 13, 9:34 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 56 min |
| Aug 20, 5:20 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 43 more | 85 min |
| Aug 20, 7:46 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Knox, LaSalle and 7 more | 59 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rock Island County9
- Knox County8
- LaSalle County7
- Henderson County7
- Henry County7
- Mercer County7
- Stark County7
- Warren County7
- Whiteside County7
- Marshall County6
- Putnam County6
- Bureau County6
- Fulton County6
- Lee County6
- Mason County6
- Peoria County6
- Tazewell County6
- Woodford County6
- Carroll County6
- Kendall County5
- Hancock County5
- Jo Daviess County5
- DuPage County4
- Ford County4
- Grundy County4
- Iroquois County4
- Kankakee County4
- Livingston County4
- Will County4
- McDonough County4
- Adams County4
- Brown County4
- Cass County4
- Logan County4
- Schuyler County4
- Boone County4
- DeKalb County4
- Kane County4
- McHenry County4
- Ogle County4
49 more counties
- Stephenson County4
- Winnebago County4
- McLean County3
- Menard County3
- Cook County2
- Calhoun County2
- Champaign County2
- Clark County2
- DeWitt County2
- Edgar County2
- Jersey County2
- Morgan County2
- Pike County2
- Scott County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Johnson County2
- Perry County2
- Pope County2
- Randolph County2
- Saline County2
- Union County2
- White County2
- Williamson County2
- Lake County2
- Christian County1
- Coles County1
- Cumberland County1
- Douglas County1
- Greene County1
- Macon County1
- Macoupin County1
- Montgomery County1
- Moultrie County1
- Piatt County1
- Sangamon County1
- Shelby County1
- Vermilion County1
- Crawford County1
- Jasper County1
- Edwards County1
- Jefferson County1
- Wabash County1
- Alexander County1
- Massac County1
- Pulaski County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.