Alert archive / Illinois / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Illinois, November 2017
24 severe thunderstorm warnings in November 2017. 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 November 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 24
- Busiest day
- November 5, 201712 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 |
|---|---|---|---|---|
| Nov 2, 11:36 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Hamilton | 24 min |
| Nov 5, 11:42 AM CST | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 48 min |
| Nov 5, 12:54 PM CST | Severe Thunderstorm Warning | ILX | Christian, Macon | 28 min |
| Nov 5, 1:44 PM CST | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 30 min |
| Nov 5, 2:17 PM CST | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 43 min |
| Nov 5, 2:27 PM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 48 min |
| Nov 5, 2:49 PM CST | Severe Thunderstorm Warning | ILX | Christian, Moultrie, Shelby | 41 min |
| Nov 5, 2:55 PM CST | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Madison | 50 min |
| Nov 5, 2:57 PM CST | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 48 min |
| Nov 5, 3:37 PM CST | Severe Thunderstorm Warning | LSX | Monroe | 41 min |
| Nov 5, 4:07 PM CST | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair, Washington | 38 min |
| Nov 5, 4:19 PM CST | Severe Thunderstorm Warning | ILX | Clark | 41 min |
| Nov 5, 4:42 PM CST | Severe Thunderstorm Warning | LSX | Randolph | 22 min |
| Nov 5, 7:54 PM CST | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Pulaski, Union | 25 min |
| Nov 5, 8:10 PM CST | Severe Thunderstorm Warning | PAH | Hardin | 20 min |
| Nov 5, 8:27 PM CST | Severe Thunderstorm Warning | PAH | Hardin | 33 min |
| Nov 18, 10:56 AM CST | Severe Thunderstorm Warning | LSX | Fayette | 18 min |
| Nov 18, 11:44 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 16 min |
| Nov 18, 11:48 AM CST | Severe Thunderstorm Warning | LSX | Washington | 27 min |
| Nov 18, 11:53 AM CST | Severe Thunderstorm Warning | PAH | Jackson, Perry | 37 min |
| Nov 18, 12:01 PM CST | Severe Thunderstorm Warning | PAH | Jefferson | 29 min |
| Nov 18, 12:27 PM CST | Severe Thunderstorm Warning | PAH | Franklin, Hamilton, Wayne | 48 min |
| Nov 18, 1:20 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 27 min |
| Nov 18, 1:44 PM CST | Severe Thunderstorm Warning | PAH | Massac | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Clair County3
- Monroe County3
- Randolph County3
- Franklin County2
- Hamilton County2
- Champaign County2
- Douglas County2
- Edgar County2
- Vermilion County2
- Christian County2
- Madison County2
- Fayette County2
- Washington County2
- Pulaski County2
- Hardin County2
- Macon County1
- Greene County1
- Jersey County1
- Macoupin County1
- Moultrie County1
- Shelby County1
- Bond County1
- Clinton County1
- Clark County1
- Alexander County1
- Johnson County1
- Union County1
- Jackson County1
- Perry County1
- Jefferson County1
- Wayne County1
- Massac County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.