Alert archive / Illinois / Severe Thunderstorm Warnings / 2010
Severe Thunderstorm Warnings in Illinois, September 2010
30 severe thunderstorm warnings in September 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 September 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 30
- Busiest day
- September 21, 201010 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 |
|---|---|---|---|---|
| Sep 2, 3:11 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 64 min |
| Sep 2, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 57 min |
| Sep 2, 7:09 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 66 min |
| Sep 2, 7:11 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie, Piatt | 64 min |
| Sep 2, 8:24 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 36 min |
| Sep 2, 9:29 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 46 min |
| Sep 5, 10:22 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Mercer, Rock Island | 53 min |
| Sep 6, 6:45 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 45 min |
| Sep 12, 4:55 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 65 min |
| Sep 12, 5:52 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 53 min |
| Sep 18, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 47 min |
| Sep 18, 5:51 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 39 min |
| Sep 18, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 48 min |
| Sep 18, 7:09 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 51 min |
| Sep 18, 7:50 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 40 min |
| Sep 18, 8:27 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 33 min |
| Sep 18, 8:44 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 46 min |
| Sep 18, 11:14 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 31 min |
| Sep 18, 11:43 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 23 min |
| Sep 21, 2:31 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 44 min |
| Sep 21, 2:36 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 54 min |
| Sep 21, 3:12 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 63 min |
| Sep 21, 3:17 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 21 min |
| Sep 21, 3:18 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 57 min |
| Sep 21, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Rock Island, Whiteside | 50 min |
| Sep 21, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 22 min |
| Sep 21, 4:12 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 48 min |
| Sep 21, 5:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DeKalb, DuPage, Kane, Lake, McHenry | 47 min |
| Sep 21, 6:15 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 20 min |
| Sep 21, 7:16 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 44 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County4
- Jo Daviess County4
- DuPage County3
- Rock Island County3
- Winnebago County3
- Adams County3
- Pike County3
- Calhoun County3
- Greene County3
- Cass County2
- Morgan County2
- DeKalb County2
- Kane County2
- Will County2
- McHenry County2
- Carroll County2
- Stephenson County2
- Jersey County2
- Monroe County2
- Saint Clair County2
- LaSalle County2
- Lake County2
- Menard County1
- Sangamon County1
- Christian County1
- Macon County1
- Moultrie County1
- Piatt County1
- Bureau County1
- Henry County1
- Mercer County1
- Boone County1
- Randolph County1
- Grundy County1
- Kendall County1
- Whiteside County1
- Lee County1
- Ogle County1
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.