Alert archive / Illinois / Severe Thunderstorm Warnings / 1989
Severe Thunderstorm Warnings in Illinois, July 1989
21 severe thunderstorm warnings in July 1989. 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 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 21
- Busiest day
- July 11, 19895 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 8, 2:56 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 49 min |
| Jul 8, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Edgar | 59 min |
| Jul 11, 1:18 PM CDT | Severe Thunderstorm Warning | ILX | Carroll, Ogle | 27 min |
| Jul 11, 1:49 PM CDT | Severe Thunderstorm Warning | ILX | Boone, Winnebago | 34 min |
| Jul 11, 2:40 PM CDT | Severe Thunderstorm Warning | ILX | DeKalb | 35 min |
| Jul 11, 2:53 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 67 min |
| Jul 11, 2:54 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 66 min |
| Jul 18, 4:16 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 29 min |
| Jul 18, 9:43 PM CDT | Severe Thunderstorm Warning | LSX | Perry, Randolph | 32 min |
| Jul 19, 1:19 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 56 min |
| Jul 27, 5:37 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 68 min |
| Jul 27, 5:47 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane | 58 min |
| Jul 27, 6:10 PM CDT | Severe Thunderstorm Warning | ILX | Boone | 50 min |
| Jul 27, 6:10 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 30 min |
| Jul 27, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 42 min |
| Jul 27, 7:05 PM CDT | Severe Thunderstorm Warning | ILX | Boone | 40 min |
| Jul 27, 7:32 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 43 min |
| Jul 27, 7:32 PM CDT | Severe Thunderstorm Warning | ILX | Boone | 43 min |
| Jul 27, 8:07 PM CDT | Severe Thunderstorm Warning | ILX | DeKalb | 53 min |
| Jul 29, 5:06 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 39 min |
| Jul 29, 6:04 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery, Sangamon | 56 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County4
- Woodford County3
- Kane County3
- DeKalb County2
- McHenry County2
- Tazewell County1
- Coles County1
- Douglas County1
- Edgar County1
- Carroll County1
- Ogle County1
- Winnebago County1
- Whiteside County1
- Perry County1
- Randolph County1
- Clark County1
- Cumberland County1
- Lake County1
- Cook County1
- Massac County1
- Macoupin County1
- Montgomery County1
- Sangamon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19881990
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.