Alert archive / Illinois / Severe Thunderstorm Watches / 1997
Severe Thunderstorm Watches in Illinois, August 1997
3 severe thunderstorm watches 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 1997. Tap one for its archive.
- Severe Thunderstorm Watches
- 3
- Busiest day
- August 3, 19971 severe thunderstorm watches
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, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Bureau, Carroll, Cass, Fulton, Hancock and 24 more | 6 hr |
| Aug 16, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 6 hr |
| Aug 24, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Cass, Christian, Clark and 38 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County3
- Warren County3
- Brown County2
- Bureau County2
- Carroll County2
- Cass County2
- Fulton County2
- Hancock County2
- Henry County2
- Knox County2
- LaSalle County2
- Livingston County2
- Logan County2
- McDonough County2
- McLean County2
- Marshall County2
- Mason County2
- Menard County2
- Mercer County2
- Morgan County2
- Peoria County2
- Putnam County2
- Rock Island County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Stark County2
- Tazewell County2
- Whiteside County2
- Woodford County2
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Jo Daviess County1
- Kane County1
- Kankakee County1
37 more counties
- Kendall County1
- Lake County1
- Lee County1
- McHenry County1
- Ogle County1
- Stephenson County1
- Will County1
- Winnebago County1
- Adams County1
- Bond County1
- Christian County1
- Clark County1
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Edwards County1
- Effingham County1
- Fayette County1
- Greene County1
- Jasper County1
- Jersey County1
- Lawrence County1
- Macon County1
- Macoupin County1
- Marion County1
- Montgomery County1
- Moultrie County1
- Piatt County1
- Pike County1
- Richland County1
- Shelby County1
- Wabash County1
- Wayne 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.