Alert archive / Illinois / Severe Thunderstorm Warnings / 1991
Severe Thunderstorm Warnings in Illinois, July 1991
29 severe thunderstorm warnings in July 1991. 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 July 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 29
- Busiest day
- July 7, 19919 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 |
|---|---|---|---|---|
| Jul 1, 5:44 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, Macon | 61 min |
| Jul 1, 6:17 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 43 min |
| Jul 1, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 57 min |
| Jul 1, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Moultrie, Piatt | 57 min |
| Jul 1, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 57 min |
| Jul 1, 7:20 PM CDT | Severe Thunderstorm Warning | ILX | Montgomery, Shelby | 40 min |
| Jul 2, 12:02 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 43 min |
| Jul 2, 12:12 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 33 min |
| Jul 3, 3:22 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 38 min |
| Jul 3, 3:38 PM CDT | Severe Thunderstorm Warning | LOT | Kane, Kendall | 52 min |
| Jul 3, 4:05 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 55 min |
| Jul 3, 6:57 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 40 min |
| Jul 5, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 35 min |
| Jul 5, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 44 min |
| Jul 5, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 39 min |
| Jul 5, 5:45 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 40 min |
| Jul 7, 4:07 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 53 min |
| Jul 7, 5:32 AM CDT | Severe Thunderstorm Warning | ILX | DeKalb, Ogle | 43 min |
| Jul 7, 3:56 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 49 min |
| Jul 7, 4:20 PM CDT | Severe Thunderstorm Warning | ILX | DeKalb, Lee | 40 min |
| Jul 7, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 41 min |
| Jul 7, 5:11 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 34 min |
| Jul 7, 5:27 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 33 min |
| Jul 7, 5:41 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 49 min |
| Jul 7, 6:59 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 31 min |
| Jul 7, 7:29 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 46 min |
| Jul 7, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 55 min |
| Jul 7, 10:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 32 min |
| Jul 9, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 36 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kankakee County3
- Macon County2
- Christian County2
- Shelby County2
- Perry County2
- Kane County2
- Kendall County2
- DeKalb County2
- Grundy County2
- DeWitt County1
- Logan County1
- Sangamon County1
- Douglas County1
- Moultrie County1
- Piatt County1
- Champaign County1
- Montgomery County1
- Johnson County1
- DuPage County1
- Alexander County1
- Randolph County1
- Jefferson County1
- McLean County1
- Jo Daviess County1
- Ogle County1
- McHenry County1
- Lee County1
- Will County1
- Livingston County1
- Cook County1
- Calhoun County1
- Pike County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.