Alert archive / Illinois / Severe Thunderstorm Warnings / 2010
Severe Thunderstorm Warnings in Illinois, August 2010
41 severe thunderstorm warnings in August 2010. 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 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 41
- Busiest day
- August 12, 201014 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 4, 3:57 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Rock Island, Whiteside | 45 min |
| Aug 4, 4:49 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee, Ogle | 56 min |
| Aug 4, 5:37 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 4 more | 38 min |
| Aug 4, 6:19 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Grundy, Kane, Kendall, Will | 56 min |
| Aug 4, 3:44 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Schuyler | 61 min |
| Aug 4, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 53 min |
| Aug 5, 5:38 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 67 min |
| Aug 5, 6:00 AM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 60 min |
| Aug 5, 6:36 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson, Williamson | 54 min |
| Aug 10, 7:39 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 66 min |
| Aug 10, 8:16 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 44 min |
| Aug 12, 12:19 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 26 min |
| Aug 12, 12:22 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Jefferson, Perry, Williamson | 38 min |
| Aug 12, 12:44 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 16 min |
| Aug 12, 12:49 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 18 min |
| Aug 12, 1:17 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 25 min |
| Aug 12, 1:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 39 min |
| Aug 12, 1:34 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 41 min |
| Aug 12, 1:41 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 49 min |
| Aug 12, 1:57 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 48 min |
| Aug 12, 2:06 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 39 min |
| Aug 12, 2:10 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 50 min |
| Aug 12, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 49 min |
| Aug 12, 2:49 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 26 min |
| Aug 12, 3:12 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 20 min |
| Aug 13, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 41 min |
| Aug 13, 5:03 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 42 min |
| Aug 13, 5:09 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 66 min |
| Aug 13, 5:11 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Aug 13, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 67 min |
| Aug 13, 5:29 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 32 min |
| Aug 13, 5:49 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 56 min |
| Aug 13, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Peoria, Tazewell, Woodford | 51 min |
| Aug 13, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Mason, Menard, Tazewell | 44 min |
| Aug 13, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 53 min |
| Aug 13, 10:10 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 65 min |
| Aug 20, 11:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 46 min |
| Aug 20, 12:51 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Madison | 39 min |
| Aug 20, 1:08 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 36 min |
| Aug 20, 2:05 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 60 min |
| Aug 20, 4:59 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough | 61 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Clair County6
- Fulton County4
- Brown County4
- Madison County4
- Mason County3
- Monroe County3
- Jackson County3
- Perry County3
- Franklin County3
- Adams County3
- Whiteside County2
- DeKalb County2
- LaSalle County2
- Lee County2
- Ogle County2
- DuPage County2
- Grundy County2
- Kane County2
- Kendall County2
- Will County2
- Schuyler County2
- Randolph County2
- Jefferson County2
- Williamson County2
- Knox County2
- Washington County2
- Boone County2
- McHenry County2
- Jo Daviess County2
- Stephenson County2
- Peoria County2
- Tazewell County2
- Hancock County2
- McDonough County2
- Bureau County1
- Henry County1
- Rock Island County1
- Kankakee County1
- Cook County1
- Cass County1
20 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.