Alert archive / Illinois / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Illinois, August 2012
75 severe thunderstorm warnings 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 warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 75
- Busiest day
- August 16, 201234 severe thunderstorm warnings
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 1, 4:25 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Pulaski, Union | 35 min |
| Aug 1, 4:28 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 16 min |
| Aug 1, 5:19 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski, Union | 26 min |
| Aug 2, 3:35 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 40 min |
| Aug 2, 8:02 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 28 min |
| Aug 4, 12:38 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 67 min |
| Aug 4, 12:59 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Henry, Mercer, Rock Island, Warren | 76 min |
| Aug 4, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Carroll, Henry, Jo Daviess, Putnam, Stephenson and 1 more | 84 min |
| Aug 4, 1:38 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 43 min |
| Aug 4, 2:11 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, LaSalle, Lee, Ogle, Winnebago | 79 min |
| Aug 4, 2:51 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle, Will | 54 min |
| Aug 4, 2:59 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 5 more | 76 min |
| Aug 4, 3:07 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 38 min |
| Aug 4, 3:35 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Grundy, Kankakee, Kendall, Will | 46 min |
| Aug 4, 3:50 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake, Will | 55 min |
| Aug 4, 10:22 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 38 min |
| Aug 4, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 46 min |
| Aug 8, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 38 min |
| Aug 8, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 47 min |
| Aug 9, 3:20 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 25 min |
| Aug 9, 3:32 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 73 min |
| Aug 9, 3:40 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Marshall, Woodford | 65 min |
| Aug 9, 4:20 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Piatt | 38 min |
| Aug 9, 4:31 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 53 min |
| Aug 9, 4:35 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 55 min |
| Aug 9, 5:17 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 43 min |
| Aug 9, 5:44 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 61 min |
| Aug 9, 5:45 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Edgar, Vermilion | 60 min |
| Aug 9, 6:13 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 62 min |
| Aug 9, 6:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 58 min |
| Aug 9, 6:36 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 37 min |
| Aug 9, 6:57 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 63 min |
| Aug 9, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 52 min |
| Aug 9, 7:41 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 34 min |
| Aug 9, 9:23 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough | 43 min |
| Aug 13, 7:05 AM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pulaski | 25 min |
| Aug 16, 6:53 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 35 min |
| Aug 16, 11:33 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 42 min |
| Aug 16, 11:38 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 67 min |
| Aug 16, 11:49 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 56 min |
| Aug 16, 12:00 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 30 min |
| Aug 16, 12:43 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 47 min |
| Aug 16, 1:39 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 42 min |
| Aug 16, 2:06 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 54 min |
| Aug 16, 2:11 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene | 39 min |
| Aug 16, 2:53 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 52 min |
| Aug 16, 2:58 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 50 min |
| Aug 16, 3:07 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 21 min |
| Aug 16, 3:08 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison | 37 min |
| Aug 16, 3:15 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Coles, Cumberland, Douglas, Macon, Moultrie and 2 more | 60 min |
| Aug 16, 3:18 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 42 min |
| Aug 16, 3:28 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 47 min |
| Aug 16, 3:29 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Edgar, Vermilion | 61 min |
| Aug 16, 3:37 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 53 min |
| Aug 16, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 47 min |
| Aug 16, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 47 min |
| Aug 16, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Effingham, Jasper, Shelby | 60 min |
| Aug 16, 3:52 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison | 38 min |
| Aug 16, 3:57 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland, Douglas, Edgar | 63 min |
| Aug 16, 4:07 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion | 53 min |
| Aug 16, 4:25 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 35 min |
| Aug 16, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 24 min |
| Aug 16, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 61 min |
| Aug 16, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Jasper | 17 min |
| Aug 16, 4:49 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 56 min |
| Aug 16, 5:07 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash, Wayne | 53 min |
| Aug 16, 5:08 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Perry | 52 min |
| Aug 16, 5:34 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hamilton, Saline, White | 26 min |
| Aug 16, 5:56 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hamilton, Saline, White | 39 min |
| Aug 16, 6:40 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 35 min |
| Aug 16, 7:20 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 25 min |
| Aug 16, 7:34 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 26 min |
| Aug 20, 1:10 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 44 min |
| Aug 26, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 65 min |
| Aug 26, 5:21 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Livingston County7
- LaSalle County5
- Madison County5
- Saint Clair County5
- McLean County5
- Edgar County5
- Vermilion County5
- Iroquois County5
- Kendall County4
- Will County4
- Cook County4
- Woodford County4
- Ford County4
- Champaign County4
- Douglas County4
- Cumberland County4
- Pulaski County3
- DeKalb County3
- DuPage County3
- Lake County3
- Kankakee County3
- Monroe County3
- Marshall County3
- Massac County3
- Tazewell County3
- Jasper County3
- Clinton County3
- Gallatin County3
- Saline County3
- Johnson County2
- Union County2
- Pope County2
- Calhoun County2
- Greene County2
- Jersey County2
- Wabash County2
- Rock Island County2
- Henderson County2
- Henry County2
- Bureau County2
47 more counties
- Putnam County2
- Boone County2
- Ogle County2
- Winnebago County2
- Grundy County2
- Clay County2
- Richland County2
- Macoupin County2
- Piatt County2
- Jackson County2
- Christian County2
- Jefferson County2
- Coles County2
- Shelby County2
- Bond County2
- Fayette County2
- Marion County2
- Hamilton County2
- White County2
- Mercer County1
- Warren County1
- Carroll County1
- Jo Daviess County1
- Stephenson County1
- Whiteside County1
- Fulton County1
- Knox County1
- Peoria County1
- Stark County1
- Lee County1
- Kane County1
- McHenry County1
- Randolph County1
- DeWitt County1
- Hancock County1
- McDonough County1
- Macon County1
- Moultrie County1
- Montgomery County1
- Effingham County1
- Clark County1
- Crawford County1
- Lawrence County1
- Washington County1
- Edwards County1
- Wayne County1
- Perry 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.