Alert archive / Illinois / Severe Thunderstorm Warnings / 1997
Severe Thunderstorm Warnings in Illinois, May 1997
43 severe thunderstorm warnings in May 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 May 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 43
- Busiest day
- May 19, 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 |
|---|---|---|---|---|
| Apr 30, 7:02 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 43 min |
| May 2, 1:27 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 33 min |
| May 2, 1:37 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 38 min |
| May 2, 9:11 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 49 min |
| May 2, 9:44 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 46 min |
| May 2, 10:06 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 24 min |
| May 2, 11:36 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 54 min |
| May 5, 2:02 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 43 min |
| May 5, 2:10 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 50 min |
| May 5, 2:24 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 51 min |
| May 5, 4:34 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 26 min |
| May 18, 5:10 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 50 min |
| May 18, 5:40 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 50 min |
| May 18, 5:51 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 69 min |
| May 18, 6:30 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 45 min |
| May 18, 6:41 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 64 min |
| May 18, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 64 min |
| May 18, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 66 min |
| May 18, 7:10 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 50 min |
| May 18, 7:19 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee | 56 min |
| May 18, 7:42 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, LaSalle | 63 min |
| May 18, 8:03 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 52 min |
| May 18, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 49 min |
| May 18, 8:33 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 47 min |
| May 18, 8:38 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 47 min |
| May 18, 8:50 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 45 min |
| May 18, 8:52 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 2 hr |
| May 18, 8:52 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 2 hr |
| May 18, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 36 min |
| May 18, 9:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 66 min |
| May 18, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 43 min |
| May 18, 10:50 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 55 min |
| May 18, 11:05 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 40 min |
| May 18, 11:12 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 63 min |
| May 19, 12:29 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 31 min |
| May 24, 4:45 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 45 min |
| May 25, 9:07 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 38 min |
| May 25, 9:39 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 66 min |
| May 25, 10:01 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 44 min |
| May 25, 10:49 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union, Williamson | 41 min |
| May 25, 11:27 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 48 min |
| May 26, 3:53 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 52 min |
| May 30, 6:03 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Union | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kankakee County3
- Iroquois County3
- Livingston County3
- Jackson County3
- Randolph County2
- Perry County2
- Grundy County2
- Lee County2
- Bureau County2
- LaSalle County2
- Henderson County2
- Knox County2
- Ford County2
- Union County2
- Johnson County2
- Gallatin County1
- Alexander County1
- Pulaski County1
- Massac County1
- DeWitt County1
- Piatt County1
- Greene County1
- Jersey County1
- Will County1
- Cook County1
- Vermilion County1
- Jo Daviess County1
- Carroll County1
- Whiteside County1
- Ogle County1
- Boone County1
- Lake County1
- McHenry County1
- Kane County1
- Kendall County1
- Warren County1
- Mercer County1
- Adams County1
- Pike County1
- Henry County1
2 more counties
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.