Alert archive / Illinois / Severe Thunderstorm Watches / 2012
Severe Thunderstorm Watches in Illinois, August 2012
8 severe thunderstorm watches in August 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 August 2012. Tap one for its archive.
- Severe Thunderstorm Watches
- 8
- Busiest day
- August 4, 20123 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 |
|---|---|---|---|---|
| Aug 4, 10:50 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 16 more | 5 hr |
| Aug 4, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 4 hr |
| Aug 4, 6:12 PM CDT | Severe Thunderstorm Watch | SPC | Madison, Monroe, Randolph, Saint Clair | 6 hr |
| Aug 9, 4:02 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 8 more | 4 hr |
| Aug 9, 7:40 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 17 more | 4 hr |
| Aug 13, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Aug 16, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 36 more | 7 hr |
| Aug 16, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clark, Crawford, Edwards, Franklin, Gallatin and 14 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McLean County3
- Ford County3
- Iroquois County3
- Livingston County3
- Champaign County3
- Coles County3
- DeWitt County3
- Douglas County3
- Edgar County3
- Logan County3
- Macon County3
- Moultrie County3
- Piatt County3
- Vermilion County3
- Mason County2
- Madison County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Shelby County2
- Alexander County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Massac County2
- Perry County2
- Pope County2
61 more counties
- Pulaski County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Bureau County1
- Carroll County1
- Fulton County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- Knox County1
- McDonough County1
- Marshall County1
- Mercer County1
- Peoria County1
- Putnam County1
- Rock Island County1
- Stark County1
- Stephenson County1
- Tazewell County1
- Warren County1
- Whiteside County1
- Woodford County1
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- McHenry County1
- Ogle County1
- Will County1
- Winnebago County1
- Bond County1
- Brown County1
- Calhoun County1
- Cass County1
- Christian County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Marion County1
- Menard County1
- Montgomery County1
- Morgan County1
- Pike County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Washington 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.