Alert archive / Illinois / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Illinois, April 2012
73 severe thunderstorm warnings 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in April 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 73
- Busiest day
- April 26, 201219 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 |
|---|---|---|---|---|
| Mar 31, 10:17 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 58 min |
| Mar 31, 11:51 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 54 min |
| Apr 1, 12:26 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Rock Island | 64 min |
| Apr 1, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 54 min |
| Apr 1, 1:19 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 27 min |
| Apr 1, 1:59 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 46 min |
| Apr 1, 2:20 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 55 min |
| Apr 1, 2:48 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 57 min |
| Apr 1, 3:15 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Woodford | 30 min |
| Apr 1, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 39 min |
| Apr 1, 3:43 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 47 min |
| Apr 1, 4:22 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 38 min |
| Apr 3, 5:04 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 41 min |
| Apr 4, 8:28 PM CDT | Severe Thunderstorm Warning | PAH | White | 32 min |
| Apr 14, 9:03 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 43 min |
| Apr 15, 1:02 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Rock Island, Whiteside | 38 min |
| Apr 15, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 28 min |
| Apr 15, 7:38 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 32 min |
| Apr 15, 7:52 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 38 min |
| Apr 15, 8:01 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 30 min |
| Apr 25, 4:13 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan | 30 min |
| Apr 25, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 54 min |
| Apr 25, 8:15 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 39 min |
| Apr 25, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 54 min |
| Apr 25, 9:13 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 62 min |
| Apr 25, 9:50 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 40 min |
| Apr 25, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 65 min |
| Apr 25, 10:21 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 39 min |
| Apr 25, 10:53 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 67 min |
| Apr 25, 11:38 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 37 min |
| Apr 25, 11:44 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison, Montgomery | 46 min |
| Apr 25, 11:55 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper, Richland | 65 min |
| Apr 25, 11:55 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 50 min |
| Apr 26, 12:18 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison | 42 min |
| Apr 26, 12:45 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
| Apr 26, 1:14 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 46 min |
| Apr 26, 1:45 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton | 33 min |
| Apr 26, 2:06 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 28 min |
| Apr 26, 2:06 AM CDT | Severe Thunderstorm Warning | PAH | White | 29 min |
| Apr 26, 2:29 AM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 31 min |
| Apr 28, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 49 min |
| Apr 28, 3:05 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 40 min |
| Apr 28, 3:28 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Cumberland, Jasper | 32 min |
| Apr 28, 3:45 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 45 min |
| Apr 28, 3:49 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper | 41 min |
| Apr 28, 4:22 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 38 min |
| Apr 28, 4:28 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 47 min |
| Apr 28, 4:56 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 49 min |
| Apr 28, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 47 min |
| Apr 28, 5:38 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 37 min |
| Apr 28, 5:50 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 40 min |
| Apr 28, 5:58 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 42 min |
| Apr 28, 6:10 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 34 min |
| Apr 28, 6:17 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 33 min |
| Apr 28, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 48 min |
| Apr 28, 6:35 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 25 min |
| Apr 28, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 60 min |
| Apr 28, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 52 min |
| Apr 28, 6:58 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 32 min |
| Apr 28, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 52 min |
| Apr 28, 7:58 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 41 min |
| Apr 28, 8:12 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 48 min |
| Apr 28, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 36 min |
| Apr 28, 9:05 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 33 min |
| Apr 28, 9:31 PM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair, Washington | 33 min |
| Apr 28, 10:01 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Macoupin, Madison, Montgomery | 34 min |
| Apr 28, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 28 min |
| Apr 29, 1:44 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 46 min |
| Apr 29, 4:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 46 min |
| Apr 29, 5:32 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 36 min |
| Apr 29, 7:58 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 20 min |
| Apr 29, 8:01 AM CDT | Severe Thunderstorm Warning | ILX | Shelby | 44 min |
| Apr 29, 11:51 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County10
- Saint Clair County10
- Clinton County9
- Washington County9
- Pike County5
- Jersey County5
- Monroe County5
- Calhoun County5
- Rock Island County4
- Macoupin County4
- Fayette County4
- Montgomery County4
- Marion County4
- Peoria County3
- Tazewell County3
- Woodford County3
- White County3
- Greene County3
- Clay County3
- Jasper County3
- Henry County2
- Mercer County2
- Knox County2
- McLean County2
- Hancock County2
- Adams County2
- Bond County2
- Effingham County2
- Richland County2
- Jefferson County2
- Crawford County2
- Randolph County2
- Jo Daviess County1
- Stephenson County1
- Stark County1
- Ford County1
- Livingston County1
- Bureau County1
- Whiteside County1
- DeWitt 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.