Alert archive / Illinois / Williamson County / Tornado Watches
Tornado Watches in Williamson County, Illinois, 2012
7 tornado watches in 2012. An alert counts here when it covered this county. The archive of tornado watches reaches back to 1997.
Williamson County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Tornado Watches
- 7
- Busiest month
- January1 tornado watches
- Busiest day
- January 23, 20121 tornado watches
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 | Lasted |
|---|---|---|---|
| Jan 22, 7:28 PM CST | Tornado Watch | SPC | 5 hr |
| Feb 29, 1:14 AM CST | Tornado Watch | SPC | 11 hr |
| Mar 2, 9:54 AM CST | Tornado Watch | SPC | 6 hr |
| Apr 28, 5:15 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 31, 1:56 PM CDT | Tornado Watch | SPC | 8 hr |
| Sep 1, 1:19 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 17, 5:21 PM CDT | Tornado Watch | SPC | 7 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.