Alert archive / Illinois / Severe Thunderstorm Warnings / 1997
Severe Thunderstorm Warnings in Illinois, August 1997
64 severe thunderstorm warnings in August 1997. 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 August 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 64
- Busiest day
- August 4, 199718 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 |
|---|---|---|---|---|
| Aug 3, 2:53 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 62 min |
| Aug 3, 3:47 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 63 min |
| Aug 3, 4:01 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 64 min |
| Aug 3, 4:23 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 52 min |
| Aug 3, 5:02 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 63 min |
| Aug 3, 8:04 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 26 min |
| Aug 3, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 55 min |
| Aug 3, 9:48 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 32 min |
| Aug 3, 10:41 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 49 min |
| Aug 4, 12:05 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 45 min |
| Aug 4, 2:44 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 46 min |
| Aug 4, 3:49 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 56 min |
| Aug 4, 4:38 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 37 min |
| Aug 4, 4:41 PM CDT | Severe Thunderstorm Warning | LOT | Will | 49 min |
| Aug 4, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 36 min |
| Aug 4, 4:58 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 62 min |
| Aug 4, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 47 min |
| Aug 4, 5:43 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 32 min |
| Aug 4, 5:53 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 67 min |
| Aug 4, 6:02 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 58 min |
| Aug 4, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 50 min |
| Aug 4, 6:16 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 59 min |
| Aug 4, 6:53 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 52 min |
| Aug 4, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 51 min |
| Aug 15, 4:01 AM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 44 min |
| Aug 15, 4:25 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 35 min |
| Aug 15, 5:08 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 37 min |
| Aug 16, 1:49 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 26 min |
| Aug 16, 2:42 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 48 min |
| Aug 16, 6:05 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 25 min |
| Aug 16, 7:02 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 28 min |
| Aug 16, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 68 min |
| Aug 16, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 68 min |
| Aug 16, 8:30 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 45 min |
| Aug 16, 9:02 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 28 min |
| Aug 16, 9:11 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 49 min |
| Aug 16, 9:15 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 45 min |
| Aug 16, 9:25 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 65 min |
| Aug 24, 10:35 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 25 min |
| Aug 24, 12:32 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 28 min |
| Aug 24, 12:48 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 27 min |
| Aug 24, 1:17 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 43 min |
| Aug 24, 1:26 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 49 min |
| Aug 24, 1:52 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 38 min |
| Aug 24, 2:04 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 41 min |
| Aug 24, 3:17 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 43 min |
| Aug 24, 3:27 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean | 48 min |
| Aug 24, 3:54 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 36 min |
| Aug 24, 4:39 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 46 min |
| Aug 24, 5:01 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 44 min |
| Aug 24, 5:28 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 32 min |
| Aug 24, 6:06 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Menard | 39 min |
| Aug 24, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 39 min |
| Aug 24, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard | 39 min |
| Aug 24, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 44 min |
| Aug 24, 7:10 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 50 min |
| Aug 24, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Aug 24, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 58 min |
| Aug 24, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Moultrie | 33 min |
| Aug 24, 8:25 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 35 min |
| Aug 24, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 60 min |
| Aug 24, 8:52 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 38 min |
| Aug 25, 5:02 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 28 min |
| Aug 25, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Knox County4
- Stark County4
- Sangamon County4
- Coles County4
- Cook County3
- Will County3
- Kankakee County3
- McLean County3
- LaSalle County3
- Livingston County3
- Menard County3
- Jo Daviess County2
- Henry County2
- Peoria County2
- Woodford County2
- Carroll County2
- Putnam County2
- Logan County2
- DeWitt County2
- Macon County2
- Douglas County2
- Edgar County2
- Mason County2
- Moultrie County2
- Adams County2
- Rock Island County1
- DuPage County1
- Hancock County1
- Lake County1
- McHenry County1
- Iroquois County1
- Ford County1
- Vermilion County1
- DeKalb County1
- Grundy County1
- Kendall County1
- Bureau County1
- Clark County1
- Tazewell County1
- Henderson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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. Rebuilt daily.