Alert archive / Illinois / Winter Storm Warnings
Winter Storm Warnings in Illinois, 2011
12 winter storm warnings in 2011. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Winter Storm Warnings
- 12
- Busiest month
- February7 winter storm warnings
- Busiest day
- February 24, 20114 winter storm warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 19, 12:50 PM CST | Winter Storm Warning | LSX | Bond, Calhoun, Clinton, Jersey, Madison, Marion and 2 more | 26 hr |
| Jan 20, 3:41 AM CST | Winter Storm Warning | PAH | Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more | 14 hr |
| Jan 20, 4:30 AM CST | Winter Storm Warning | ILX | Clay, Crawford, Effingham, Jasper, Lawrence, Richland | 12 hr |
| Jan 30, 3:56 PM CST | Winter Storm Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 60 hr |
| Jan 31, 1:24 PM CST | Winter Storm Warning | ILX | Champaign, Christian, Clark, Clay, Coles, Crawford and 13 more | 47 hr |
| Jan 31, 10:29 PM CST | Winter Storm Warning | PAH | Jefferson, Perry, Wayne | 13 hr |
| Feb 7, 7:35 AM CST | Winter Storm Warning | PAH | Hardin, Massac, Pope | 10 hr |
| Feb 19, 3:51 PM CST | Winter Storm Warning | LOT | Boone, Lake, McHenry, Winnebago | 18 hr |
| Feb 24, 3:20 AM CST | Winter Storm Warning | DVN | Hancock, Henderson, McDonough, Warren | 17 hr |
| Feb 24, 3:41 AM CST | Winter Storm Warning | ILX | Cass, DeWitt, Fulton, Knox, Logan, McLean and 11 more | 24 hr |
| Feb 24, 3:57 AM CST | Winter Storm Warning | LSX | Adams, Brown, Pike | 24 hr |
| Feb 24, 4:12 AM CST | Winter Storm Warning | LOT | Ford, Iroquois, Livingston | 27 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County2
- Calhoun County2
- Clinton County2
- Jersey County2
- Madison County2
- Marion County2
- Saint Clair County2
- Washington County2
- Jefferson County2
- Perry County2
- Wayne County2
- Clay County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Adams County2
- Brown County2
- Pike County2
- DeWitt County2
- Edwards County1
- Franklin County1
- Hamilton County1
- Wabash County1
- White County1
- Fayette County1
- Greene County1
- Macoupin County1
- Monroe County1
- Montgomery County1
- Randolph County1
- Champaign County1
- Christian County1
- Clark County1
- Coles County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Macon County1
34 more counties
- Moultrie County1
- Piatt County1
- Shelby County1
- Vermilion County1
- Hardin County1
- Massac County1
- Pope County1
- Boone County1
- Lake County1
- McHenry County1
- Winnebago County1
- Hancock County1
- Henderson County1
- McDonough County1
- Warren County1
- Cass County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
- Ford County1
- Iroquois County1
- Livingston County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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. Rebuilt daily.