Alert archive / Illinois / Tornado Watches / 2004

Tornado Watches in Illinois, May 2004

21 tornado watches in May 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 tornado watches reaches back to 1997.

Tornado Watches by county

Each county as a circle sized by its count in May 2004. Tap one for its archive.

Tornado Watches
21
Busiest day
May 30, 20048 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.

IssuedProductOfficeCountiesLasted
May 21, 2:45 PM CDTTornado WatchSPCRock Island7 hr
May 21, 5:35 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more5 hr
May 22, 6:15 PM CDTTornado WatchSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 25 more6 hr
May 23, 10:45 AM CDTTornado WatchSPCClark, Clay, Coles, Crawford, Cumberland, Edgar and 19 more5 hr
May 23, 1:15 PM CDTTornado WatchSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 16 more6 hr
May 23, 2:05 PM CDTTornado WatchSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 18 more8 hr
May 23, 3:50 PM CDTTornado WatchSPCCook, DuPage, Iroquois, Kankakee, Vermilion, Will6 hr
May 23, 5:30 PM CDTTornado WatchSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 29 more6 hr
May 24, 5:45 PM CDTTornado WatchSPCAdams, Brown, Calhoun, Hancock, Henderson, McDonough and 3 more5 hr
May 24, 10:45 PM CDTTornado WatchSPCBond, Brown, Calhoun, Cass, Champaign, Christian and 27 more5 hr
May 26, 1:10 PM CDTTornado WatchSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more8 hr
May 26, 8:55 PM CDTTornado WatchSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 16 more5 hr
May 27, 7:40 PM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more5 hr
May 30, 7:40 AM CDTTornado WatchSPCAdams, Brown, Cass, Champaign, Christian, Coles and 31 more5 hr
May 30, 10:50 AM CDTTornado WatchSPCAdams, Brown, Hancock, McDonough, Pike8 hr
May 30, 11:50 AM CDTTornado WatchSPCClark, Crawford, Edgar, Edwards, Gallatin, Hardin and 7 more7 hr
May 30, 12:25 PM CDTTornado WatchSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more7 hr
May 30, 1:05 PM CDTTornado WatchSPCAlexander, Bond, Calhoun, Cass, Champaign, Christian and 45 more6 hr
May 30, 4:25 PM CDTTornado WatchSPCBoone, Cook, DeKalb, DuPage, Grundy, Iroquois and 12 more6 hr
May 30, 6:40 PM CDTTornado WatchSPCAlexander, Bond, Champaign, Christian, Clark, Clay and 41 more6 hr
May 30, 6:55 PM CDTTornado WatchSPCGallatin, Hardin, Lawrence, Wabash8 hr

By county

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

62 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. Rebuilt daily.