Alert archive / Illinois / Severe Thunderstorm Warnings / 1997
Severe Thunderstorm Warnings in Illinois, April 1997
59 severe thunderstorm warnings in April 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 April 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 59
- Busiest day
- April 5, 199730 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 5, 2:03 PM CST | Severe Thunderstorm Warning | DVN | Henderson | 47 min |
| Apr 5, 2:23 PM CST | Severe Thunderstorm Warning | DVN | Mercer, Warren | 42 min |
| Apr 5, 2:30 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox | 30 min |
| Apr 5, 2:46 PM CST | Severe Thunderstorm Warning | ILX | Mason, Menard, Sangamon | 29 min |
| Apr 5, 2:56 PM CST | Severe Thunderstorm Warning | DVN | Rock Island | 44 min |
| Apr 5, 3:00 PM CST | Severe Thunderstorm Warning | ILX | Logan, Peoria, Tazewell | 45 min |
| Apr 5, 3:00 PM CST | Severe Thunderstorm Warning | ILX | Stark | 45 min |
| Apr 5, 3:16 PM CST | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 29 min |
| Apr 5, 3:28 PM CST | Severe Thunderstorm Warning | DVN | Henry, Whiteside | 47 min |
| Apr 5, 3:36 PM CST | Severe Thunderstorm Warning | ILX | McLean, Woodford | 39 min |
| Apr 5, 3:36 PM CST | Severe Thunderstorm Warning | ILX | Marshall | 39 min |
| Apr 5, 3:41 PM CST | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 34 min |
| Apr 5, 3:45 PM CST | Severe Thunderstorm Warning | LOT | LaSalle, Lee, Livingston | 45 min |
| Apr 5, 3:45 PM CST | Severe Thunderstorm Warning | LOT | Ogle | 45 min |
| Apr 5, 3:48 PM CST | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 42 min |
| Apr 5, 3:53 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 47 min |
| Apr 5, 4:11 PM CST | Severe Thunderstorm Warning | ILX | DeWitt, Macon, Piatt | 34 min |
| Apr 5, 4:11 PM CST | Severe Thunderstorm Warning | ILX | McLean | 34 min |
| Apr 5, 4:15 PM CST | Severe Thunderstorm Warning | DVN | Stephenson | 45 min |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | DeKalb, Grundy, Kendall, LaSalle | 34 min |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | Ford, Livingston | 34 min |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | Lee | 34 min |
| Apr 5, 4:33 PM CST | Severe Thunderstorm Warning | ILX | Champaign | 57 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, Kendall, McHenry | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Grundy, Will | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | DuPage | 31 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 34 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | DuPage, Kankakee, Will | 34 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | Iroquois | 34 min |
| Apr 18, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 39 min |
| Apr 18, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Apr 18, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 30 min |
| Apr 18, 9:45 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 45 min |
| Apr 18, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 46 min |
| Apr 18, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 40 min |
| Apr 18, 11:17 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Madison | 43 min |
| Apr 18, 11:56 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 49 min |
| Apr 19, 12:34 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 41 min |
| Apr 20, 11:20 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski, Union | 40 min |
| Apr 20, 11:20 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 40 min |
| Apr 20, 11:37 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Massac, Pope | 33 min |
| Apr 30, 1:31 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 29 min |
| Apr 30, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 34 min |
| Apr 30, 2:23 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
| Apr 30, 2:25 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 35 min |
| Apr 30, 2:28 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Apr 30, 2:47 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 43 min |
| Apr 30, 2:51 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 54 min |
| Apr 30, 2:58 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Apr 30, 3:05 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 40 min |
| Apr 30, 3:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 48 min |
| Apr 30, 3:29 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 46 min |
| Apr 30, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 32 min |
| Apr 30, 4:19 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Wayne | 41 min |
| Apr 30, 4:29 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 31 min |
| Apr 30, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 30 min |
| Apr 30, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 50 min |
| Apr 30, 5:36 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 29 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- LaSalle County3
- Lee County3
- Livingston County3
- DeKalb County3
- Ford County3
- Madison County3
- Saint Clair County3
- Henderson County2
- Warren County2
- Sangamon County2
- McLean County2
- DeWitt County2
- Macon County2
- Grundy County2
- Kendall County2
- Iroquois County2
- Kankakee County2
- McHenry County2
- Will County2
- DuPage County2
- Calhoun County2
- Jersey County2
- Macoupin County2
- Washington County2
- Fayette County2
- Mercer County1
- Fulton County1
- Knox County1
- Mason County1
- Menard County1
- Rock Island County1
- Logan County1
- Peoria County1
- Tazewell County1
- Stark County1
- Christian County1
- Henry County1
- Whiteside County1
- Woodford County1
- Marshall County1
36 more counties
- Ogle County1
- Carroll County1
- Jo Daviess County1
- Bureau County1
- Putnam County1
- Piatt County1
- Stephenson County1
- Champaign County1
- Boone County1
- Kane County1
- Cook County1
- Lake County1
- Pike County1
- Scott County1
- Greene County1
- Clinton County1
- Alexander County1
- Pulaski County1
- Union County1
- Johnson County1
- Hardin County1
- Massac County1
- Pope County1
- Adams County1
- Hancock County1
- Randolph County1
- Bond County1
- Montgomery County1
- Jefferson County1
- Wayne County1
- Coles County1
- Cumberland County1
- Clark County1
- Edgar County1
- Lawrence County1
- Richland 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. Warning verification from the Mesonet's Cow. Rebuilt daily.