Alert archive / Illinois / Tornado Watches / 2011
Tornado Watches in Illinois, February 2011
2 tornado watches 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in February 2011. Tap one for its archive.
- Tornado Watches
- 2
- Busiest day
- February 28, 20112 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 |
|---|---|---|---|---|
| Feb 27, 9:40 PM CST | Tornado Watch | SPC | Alexander, Bond, Calhoun, Clinton, Edwards, Fayette and 27 more | 6 hr |
| Feb 27, 11:46 PM CST | Tornado Watch | SPC | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County1
- Bond County1
- Calhoun County1
- Clinton County1
- Edwards County1
- Fayette County1
- Franklin County1
- Gallatin County1
- Greene County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jefferson County1
- Jersey County1
- Johnson County1
- Macoupin County1
- Madison County1
- Marion County1
- Massac County1
- Monroe County1
- Montgomery County1
- Perry County1
- Pope County1
- Pulaski County1
- Randolph County1
- Saint Clair County1
- Saline County1
- Union County1
- Wabash County1
- Washington County1
- Wayne County1
- White County1
- Williamson County1
- Clark County1
- Clay County1
- Crawford County1
- Cumberland County1
- Effingham County1
- Jasper County1
- Lawrence County1
1 more counties
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.