Alert archive / Illinois / Severe Thunderstorm Watches / 2004

Severe Thunderstorm Watches in Illinois, June 2004

9 severe thunderstorm watches in June 2004. 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 June 2004. Tap one for its archive.

Severe Thunderstorm Watches
9
Busiest day
June 12, 20043 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.

IssuedProductOfficeCountiesLasted
Jun 1, 2:30 PM CDTSevere Thunderstorm WatchSPCAlexander, Champaign, Clark, Clay, Clinton, Coles and 33 more8 hr
Jun 11, 9:35 PM CDTSevere Thunderstorm WatchSPCHenderson, Mercer4 hr
Jun 12, 3:45 PM CDTSevere Thunderstorm WatchSPCHenderson, Mercer, Rock Island, Warren5 hr
Jun 12, 4:15 PM CDTSevere Thunderstorm WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more5 hr
Jun 14, 6:50 AM CDTSevere Thunderstorm WatchSPCBoone, Brown, Bureau, Carroll, Cass, Champaign and 44 more6 hr
Jun 14, 4:10 PM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Clay, Clinton, Edwards, Effingham and 29 more6 hr
Jun 16, 2:05 PM CDTSevere Thunderstorm WatchSPCHenderson5 hr
Jun 18, 1:40 PM CDTSevere Thunderstorm WatchSPCAlexander, Bond, Calhoun, Clinton, Fayette, Greene and 12 more7 hr
Jun 23, 5:00 PM CDTSevere Thunderstorm WatchSPCBoone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more6 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

57 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20032005

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.