Alert archive / Illinois / Tornado Watches / 2015
Tornado Watches in Illinois, December 2015
2 tornado watches in December 2015. 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 2015. Tap one for its archive.
- Tornado Watches
- 2
- Busiest day
- December 23, 20152 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 23, 9:13 AM CST | Tornado Watch | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 38 more | 8 hr |
| Dec 23, 1:55 PM CST | Tornado Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Fulton and 24 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County1
- Bond County1
- Champaign County1
- Christian County1
- Clark County1
- Clay County1
- Clinton County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Edwards County1
- Effingham County1
- Fayette County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jasper County1
- Jefferson County1
- Johnson County1
- Lawrence County1
- Macon County1
- Marion County1
- Massac County1
- Montgomery County1
- Moultrie County1
- Perry County1
- Piatt County1
- Pope County1
- Pulaski County1
- Randolph County1
- Richland County1
- Saline County1
- Shelby County1
- Union County1
- Vermilion County1
- Wabash County1
34 more counties
- Washington County1
- Wayne County1
- White County1
- Williamson County1
- Adams County1
- Brown County1
- Bureau County1
- Calhoun County1
- Cass County1
- Fulton County1
- Greene County1
- Hancock County1
- Henderson County1
- Henry County1
- Jersey County1
- Knox County1
- McDonough County1
- Macoupin County1
- Madison County1
- Marshall County1
- Mason County1
- Mercer County1
- Monroe County1
- Morgan County1
- Peoria County1
- Pike County1
- Putnam County1
- Rock Island County1
- Saint Clair County1
- Schuyler County1
- Scott County1
- Stark County1
- Warren County1
- Whiteside County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.