Alert archive / Illinois / Mesoscale Discussions / 2007
Mesoscale Discussions in Illinois, September 2007
3 mesoscale discussions in September 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 September 2007. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- September 7, 20071 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 7, 7:14 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DeWitt, DuPage, Ford, Grundy and 14 more | 2 hr |
| Sep 21, 6:17 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Mercer, Ogle, Rock Island and 3 more | 88 min |
| Sep 25, 1:36 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 8 more | 84 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County2
- DuPage County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kane County2
- Kankakee County2
- Kendall County2
- Lake County2
- LaSalle County2
- Livingston County2
- Will County2
- Woodford County2
- DeKalb County1
- DeWitt County1
- Logan County1
- McHenry County1
- McLean County1
- Menard County1
- Tazewell County1
- Carroll County1
- Henry County1
- Jo Daviess County1
- Mercer County1
- Ogle County1
- Rock Island County1
- Stephenson County1
- Whiteside County1
- Winnebago County1
- Putnam 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.