Alert archive / Illinois / Winter Storm Warnings / 2011
Winter Storm Warnings in Illinois, February 2011
7 winter storm warnings in February 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 February 2011. Tap one for its archive.
- Winter Storm Warnings
- 7
- Busiest day
- February 24, 20114 winter storm warnings
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 |
|---|---|---|---|---|
| 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.
- Jefferson County1
- Perry County1
- Wayne 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
- DeWitt 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
- Adams County1
- Brown County1
- Pike County1
- Ford County1
- Iroquois County1
- Livingston County1
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.