Alert archive / Illinois / Mesoscale Discussions / 2010
Mesoscale Discussions in Illinois, September 2010
13 mesoscale discussions in September 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 September 2010. Tap one for its archive.
- Mesoscale Discussions
- 13
- Busiest day
- September 21, 20103 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 |
|---|---|---|---|---|
| Sep 2, 3:46 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Christian and 28 more | 89 min |
| Sep 2, 4:25 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 42 more | 65 min |
| Sep 2, 7:12 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 50 more | 2 hr |
| Sep 2, 8:47 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 30 more | 58 min |
| Sep 12, 6:08 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Lee, Ogle, Stephenson | 67 min |
| Sep 18, 5:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 19 more | 2 hr |
| Sep 19, 3:24 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 3 more | 66 min |
| Sep 19, 6:14 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, Greene, Macoupin and 6 more | 61 min |
| Sep 21, 1:02 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, Henderson, Henry, Jo Daviess and 10 more | 88 min |
| Sep 21, 3:40 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 95 min |
| Sep 21, 5:59 PM CDT | Mesoscale Discussion | SPC | Adams | 91 min |
| Sep 21, 7:31 PM CDT | Mesoscale Discussion | SPC | Adams, Cook, DuPage, Ford, Fulton, Grundy and 15 more | 59 min |
| Sep 21, 7:52 PM CDT | Mesoscale Discussion | SPC | Adams | 53 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County9
- Macoupin County7
- Brown County6
- Christian County6
- Greene County6
- Jersey County6
- Morgan County6
- Pike County6
- Schuyler County6
- Scott County6
- Calhoun County5
- Cass County5
- DeWitt County5
- Fulton County5
- Knox County5
- Livingston County5
- McLean County5
- Macon County5
- Madison County5
- Mason County5
- Menard County5
- Montgomery County5
- Sangamon County5
- Tazewell County5
- Logan County4
- McDonough County4
- Marshall County4
- Peoria County4
- Stark County4
- Woodford County4
- Bond County4
- Fayette County4
- Ford County4
- Moultrie County4
- Piatt County4
- Shelby County4
- Bureau County3
- Warren County3
- Champaign County3
- Clark County3
44 more counties
- Clay County3
- Clinton County3
- Coles County3
- Crawford County3
- Cumberland County3
- Douglas County3
- Edgar County3
- Effingham County3
- Jasper County3
- Jefferson County3
- Marion County3
- Monroe County3
- Perry County3
- Randolph County3
- Saint Clair County3
- Vermilion County3
- Washington County3
- Iroquois County3
- Kankakee County3
- Carroll County3
- Lee County3
- Ogle County3
- Stephenson County3
- LaSalle County2
- Putnam County2
- Jo Daviess County2
- DeKalb County2
- Henderson County2
- Henry County2
- Mercer County2
- Rock Island County2
- Whiteside County2
- Winnebago County2
- Cook County2
- DuPage County2
- Grundy County2
- Hancock County2
- Will County2
- Richland County1
- Boone County1
- Kane County1
- Kendall County1
- Lake County1
- McHenry 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.