Alert archive / Illinois / Tornado Watches / 2010
Tornado Watches in Illinois, December 2010
4 tornado watches in December 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in December 2010. Tap one for its archive.
- Tornado Watches
- 4
- Busiest day
- December 31, 20104 tornado watches
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 31, 7:29 AM CST | Tornado Watch | SPC | Bond, Brown, Calhoun, Clinton, Fayette, Greene and 10 more | 8 hr |
| Dec 31, 10:34 AM CST | Tornado Watch | SPC | Cass, Christian, DeWitt, Fulton, Logan, McLean and 13 more | 3 hr |
| Dec 31, 11:42 AM CST | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Dec 31, 1:16 PM CST | Tornado Watch | SPC | Champaign, Christian, Clark, Clay, Coles, Crawford and 22 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Christian County2
- DeWitt County2
- Logan County2
- McLean County2
- Macon County2
- Moultrie County2
- Piatt County2
- Sangamon County2
- Shelby County2
- Tazewell County2
- Woodford County2
- Bond County1
- Brown County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Pike County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Cass County1
- Fulton County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Schuyler County1
- Scott County1
- Alexander County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
31 more counties
- Hardin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
- Champaign County1
- Clark County1
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Effingham County1
- Ford County1
- Iroquois County1
- Jasper County1
- Kankakee County1
- Lawrence County1
- Livingston County1
- Richland County1
- Vermilion 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.