Alert archive / Illinois / Tornado Watches / 2003
Tornado Watches in Illinois, July 2003
5 tornado watches in July 2003. 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 July 2003. Tap one for its archive.
- Tornado Watches
- 5
- Busiest day
- July 9, 20032 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 |
|---|---|---|---|---|
| Jul 6, 11:45 AM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more | 6 hr |
| Jul 8, 1:45 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Carroll, Cass, Champaign and 48 more | 5 hr |
| Jul 9, 3:15 PM CDT | Tornado Watch | SPC | Carroll, Henderson, Henry, Jo Daviess, Knox, Mercer and 5 more | 6 hr |
| Jul 9, 5:25 PM CDT | Tornado Watch | SPC | Cass, Champaign, Christian, Clark, Coles, Cumberland and 24 more | 4 hr |
| Jul 20, 8:30 PM CDT | Tornado Watch | SPC | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Whiteside | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henry County5
- Carroll County4
- Knox County4
- Mercer County4
- Peoria County4
- Rock Island County4
- Stark County4
- Whiteside County4
- Henderson County3
- Jo Daviess County3
- Livingston County3
- Marshall County3
- Putnam County3
- Warren County3
- Woodford County3
- Bureau County2
- Cook County2
- DeKalb County2
- DuPage County2
- Grundy County2
- Hancock County2
- Kane County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Lee County2
- McDonough County2
- Ogle County2
- Will County2
- Cass County2
- Champaign County2
- Christian County2
- Coles County2
- DeWitt County2
- Douglas County2
- Edgar County2
- Ford County2
- Fulton County2
- Iroquois County2
- Logan County2
22 more counties
- McLean County2
- Macon County2
- Mason County2
- Menard County2
- Moultrie County2
- Piatt County2
- Sangamon County2
- Tazewell County2
- Vermilion County2
- Boone County1
- Lake County1
- McHenry County1
- Stephenson County1
- Winnebago County1
- Adams County1
- Brown County1
- Morgan County1
- Pike County1
- Schuyler County1
- Scott County1
- Clark County1
- Cumberland County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.