Alert archive / Illinois / Tornado Watches / 2012
Tornado Watches in Illinois, April 2012
2 tornado watches in April 2012. 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 April 2012. Tap one for its archive.
- Tornado Watches
- 2
- Busiest day
- April 15, 20121 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 |
|---|---|---|---|---|
| Apr 15, 4:42 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Clinton and 15 more | 6 hr |
| Apr 28, 5:15 PM CDT | Tornado Watch | SPC | Clinton, Edwards, Franklin, Gallatin, Hamilton, Jackson and 12 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clinton County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Cass County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Montgomery County1
- Morgan County1
- Pike County1
- Schuyler County1
- Scott County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Jackson County1
- Jefferson County1
- Perry County1
- Saline County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
Nearby
Alerts in force nowTornadoes on recordThe 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.