Alert archive / Illinois / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Illinois, May 2012
95 severe thunderstorm warnings in May 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 May 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 95
- Busiest day
- May 4, 201223 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 |
|---|---|---|---|---|
| May 2, 4:26 AM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 49 min |
| May 3, 6:20 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 43 min |
| May 3, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 67 min |
| May 3, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 54 min |
| May 3, 8:00 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 75 min |
| May 3, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 68 min |
| May 3, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 51 min |
| May 3, 9:50 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 55 min |
| May 3, 11:13 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 49 min |
| May 3, 11:16 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 44 min |
| May 3, 11:29 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Stark | 61 min |
| May 4, 12:07 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell, Woodford | 53 min |
| May 4, 12:29 AM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria | 46 min |
| May 4, 12:34 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 71 min |
| May 4, 12:52 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 35 min |
| May 4, 1:26 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston | 63 min |
| May 4, 3:07 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 38 min |
| May 4, 4:03 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 42 min |
| May 4, 6:27 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 33 min |
| May 4, 8:47 AM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper, Richland | 43 min |
| May 4, 11:11 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 34 min |
| May 4, 1:17 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne, White | 29 min |
| May 4, 1:22 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 38 min |
| May 4, 1:26 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 49 min |
| May 4, 1:45 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 30 min |
| May 4, 7:24 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 36 min |
| May 4, 7:43 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 32 min |
| May 4, 7:58 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 32 min |
| May 4, 8:06 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton, White | 39 min |
| May 4, 8:13 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 32 min |
| May 4, 8:29 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 31 min |
| May 4, 10:18 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison | 42 min |
| May 4, 11:18 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton | 16 min |
| May 5, 12:04 AM CDT | Severe Thunderstorm Warning | PAH | Wayne | 19 min |
| May 5, 12:19 AM CDT | Severe Thunderstorm Warning | PAH | Wabash | 41 min |
| May 5, 1:54 AM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper, Richland | 38 min |
| May 5, 4:12 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 33 min |
| May 6, 10:48 AM CDT | Severe Thunderstorm Warning | LOT | Kendall | 42 min |
| May 6, 1:37 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 38 min |
| May 6, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 63 min |
| May 6, 1:56 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 64 min |
| May 6, 2:06 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 54 min |
| May 6, 2:31 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 44 min |
| May 6, 2:37 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 38 min |
| May 6, 2:57 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 63 min |
| May 6, 3:14 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 36 min |
| May 6, 3:31 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 59 min |
| May 6, 3:41 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 64 min |
| May 6, 3:43 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 52 min |
| May 6, 4:02 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 48 min |
| May 6, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 57 min |
| May 6, 4:03 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Kankakee, Livingston | 57 min |
| May 6, 4:28 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 32 min |
| May 6, 4:37 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 23 min |
| May 6, 4:56 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 64 min |
| May 6, 5:00 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 45 min |
| May 6, 5:01 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 59 min |
| May 6, 8:23 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 37 min |
| May 6, 8:48 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 27 min |
| May 6, 9:55 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 50 min |
| May 15, 7:05 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Rock Island | 40 min |
| May 15, 7:21 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, McHenry | 39 min |
| May 15, 7:36 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 24 min |
| May 15, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 33 min |
| May 20, 2:06 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Whiteside | 24 min |
| May 20, 3:41 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, McHenry, Ogle | 64 min |
| May 20, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 54 min |
| May 20, 4:18 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 27 min |
| May 20, 4:21 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 39 min |
| May 20, 4:52 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 38 min |
| May 20, 5:03 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall, LaSalle | 57 min |
| May 20, 5:04 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 26 min |
| May 20, 5:07 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 38 min |
| May 20, 5:11 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 37 min |
| May 20, 5:14 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson | 46 min |
| May 20, 5:38 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Sangamon | 37 min |
| May 20, 5:46 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 44 min |
| May 20, 6:11 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 49 min |
| May 20, 6:22 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 22 min |
| May 20, 6:23 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Kankakee, Kendall, Livingston, Will | 67 min |
| May 20, 6:30 PM CDT | Severe Thunderstorm Warning | PAH | Saline | 30 min |
| May 20, 7:10 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Union | 17 min |
| May 20, 7:17 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 43 min |
| May 20, 7:46 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Livingston, Will | 59 min |
| May 20, 8:38 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 54 min |
| May 26, 12:27 AM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 63 min |
| May 26, 4:33 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 27 min |
| May 26, 4:45 AM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 60 min |
| May 28, 4:16 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 59 min |
| May 28, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Rock Island, Whiteside | 61 min |
| May 28, 11:42 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin | 33 min |
| May 29, 1:30 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 23 min |
| May 29, 1:56 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 34 min |
| May 29, 2:06 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 24 min |
| May 29, 2:14 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Livingston County12
- Kankakee County9
- Grundy County8
- Iroquois County8
- Bureau County7
- Ford County7
- Cook County6
- LaSalle County6
- Wayne County6
- Jefferson County6
- Rock Island County5
- Will County5
- Henry County5
- Edwards County5
- Wabash County5
- Marshall County4
- Peoria County4
- Stark County3
- Macoupin County3
- Kendall County3
- McHenry County3
- Whiteside County3
- Mercer County2
- DuPage County2
- Knox County2
- Tazewell County2
- Woodford County2
- Clay County2
- Jasper County2
- Richland County2
- White County2
- Hamilton County2
- Madison County2
- Putnam County2
- Vermilion County2
- Pike County2
- Kane County2
- DeKalb County2
- Ogle County2
- Jersey County2
32 more counties
- Jackson County2
- Logan County2
- Sangamon County2
- Christian County2
- Shelby County2
- McLean County1
- Hancock County1
- Henderson County1
- Adams County1
- Brown County1
- Clinton County1
- Saint Clair County1
- Washington County1
- Lawrence County1
- Bond County1
- Effingham County1
- Champaign County1
- Boone County1
- Lake County1
- Greene County1
- Perry County1
- Calhoun County1
- Franklin County1
- Morgan County1
- Mason County1
- Saline County1
- Johnson County1
- Union County1
- Stephenson County1
- Winnebago County1
- Fayette County1
- Montgomery 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.