Alert archive / Illinois / Severe Thunderstorm Warnings / 1986
Severe Thunderstorm Warnings in Illinois, April 1986
13 severe thunderstorm warnings in April 1986. 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 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 13
- Busiest day
- April 30, 19866 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 |
|---|---|---|---|---|
| Apr 7, 4:03 PM CST | Severe Thunderstorm Warning | LSX | Bond, Clinton | 47 min |
| Apr 7, 4:26 PM CST | Severe Thunderstorm Warning | LSX | Madison | 34 min |
| Apr 7, 4:32 PM CST | Severe Thunderstorm Warning | LSX | Jefferson, Washington | 58 min |
| Apr 7, 4:50 PM CST | Severe Thunderstorm Warning | PAH | Franklin | 55 min |
| Apr 7, 5:37 PM CST | Severe Thunderstorm Warning | LSX | Effingham | 23 min |
| Apr 7, 6:11 PM CST | Severe Thunderstorm Warning | LSX | Perry | 19 min |
| Apr 25, 6:32 PM CST | Severe Thunderstorm Warning | ILX | Lee, Ogle | 58 min |
| Apr 30, 5:15 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard, Sangamon | 75 min |
| Apr 30, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 65 min |
| Apr 30, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 65 min |
| Apr 30, 6:40 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Moultrie, Shelby | 50 min |
| Apr 30, 6:50 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 70 min |
| Apr 30, 6:50 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 55 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County1
- Clinton County1
- Madison County1
- Jefferson County1
- Washington County1
- Franklin County1
- Effingham County1
- Perry County1
- Lee County1
- Ogle County1
- Logan County1
- Menard County1
- Sangamon County1
- DeWitt County1
- Piatt County1
- Champaign County1
- Christian County1
- Macon County1
- Moultrie County1
- Shelby County1
- Vermilion County1
- Iroquois County1
Nearby
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.