Alert archive / Illinois / Tornado Watches / 1999
Tornado Watches in Illinois, August 1999
1 tornado watches in August 1999. 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in August 1999. Tap one for its archive.
- Tornado Watches
- 1
- Busiest day
- August 12, 19991 tornado 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 12, 6:45 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 34 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Cass County1
- Champaign County1
- Christian County1
- Clark County1
- Coles County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Effingham County1
- Fayette County1
- Ford County1
- Fulton County1
- Greene County1
- Iroquois County1
- Jasper County1
- Jersey County1
- Livingston County1
- Logan County1
- McLean County1
- Macon County1
- Macoupin County1
- Madison County1
- Mason County1
- Menard County1
- Montgomery County1
- Morgan County1
- Moultrie County1
- Piatt County1
- Pike County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Tazewell County1
- Vermilion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.