Alert archive / Illinois / Severe Thunderstorm Watches / 2012
Severe Thunderstorm Watches in Illinois, July 2012
7 severe thunderstorm watches in July 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in July 2012. Tap one for its archive.
- Severe Thunderstorm Watches
- 7
- Busiest day
- July 26, 20122 severe thunderstorm 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 |
|---|---|---|---|---|
| Jul 1, 12:16 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Iroquois, Kankakee, Will | 6 hr |
| Jul 18, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more | 7 hr |
| Jul 18, 7:43 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more | 5 hr |
| Jul 24, 4:47 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kankakee and 7 more | 4 hr |
| Jul 25, 8:57 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Lee, Ogle, Rock Island, Stephenson and 2 more | 6 hr |
| Jul 26, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clark, Clay, Clinton, Crawford, Cumberland and 28 more | 10 hr |
| Jul 31, 1:13 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 19 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County4
- DuPage County4
- Kankakee County4
- Will County4
- Lee County4
- Ogle County4
- Winnebago County4
- Iroquois County3
- Boone County3
- DeKalb County3
- Kane County3
- Kendall County3
- Lake County3
- McHenry County3
- Carroll County2
- Ford County2
- Grundy County2
- Jo Daviess County2
- LaSalle County2
- Livingston County2
- Rock Island County2
- Stephenson County2
- Whiteside County2
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Bureau County1
- Henry County1
- Marshall County1
- Putnam County1
- Stark County1
- Alexander County1
- Clinton County1
- Edwards County1
- Fayette County1
36 more counties
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Marion County1
- Massac County1
- Monroe 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
- Champaign County1
- Coles County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Logan County1
- McLean County1
- Macon County1
- Moultrie County1
- Piatt County1
- Shelby County1
- Tazewell County1
- Vermilion County1
- Woodford 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. Warning verification from the Mesonet's Cow. Rebuilt daily.