Alert archive / Illinois / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Illinois, 2002

48 severe thunderstorm watches in 2002. 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 2002. Tap one for its archive.

Severe Thunderstorm Watches
48
Busiest month
May17 severe thunderstorm watches
Busiest day
April 19, 20025 severe thunderstorm watches

Over time

By month

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
Jan 31, 12:15 PM CSTSevere Thunderstorm WatchSPCAlexander5 hr
Mar 8, 11:30 PM CSTSevere Thunderstorm WatchSPCAdams, Brown, Bureau, Carroll, Fulton, Hancock and 14 more5 hr
Mar 8, 11:45 PM CSTSevere Thunderstorm WatchSPCMonroe, Randolph4 hr
Mar 9, 4:00 AM CSTSevere Thunderstorm WatchSPCBoone, Bureau, Champaign, Cook, DeKalb, DeWitt and 33 more4 hr
Mar 29, 7:30 AM CSTSevere Thunderstorm WatchSPCAlexander, Clinton, Jackson, Madison, Monroe, Perry and 3 more6 hr
Apr 18, 8:30 PM CDTSevere Thunderstorm WatchSPCCarroll, Jo Daviess, Rock Island, Stephenson5 hr
Apr 19, 8:00 AM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clinton, Fayette, Greene and 13 more5 hr
Apr 19, 10:15 AM CDTSevere Thunderstorm WatchSPCBond, Clinton, Fayette, Franklin, Jackson, Jefferson and 10 more6 hr
Apr 19, 2:15 PM CDTSevere Thunderstorm WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more6 hr
Apr 19, 5:30 PM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clay, Clinton, DeWitt and 20 more5 hr
Apr 21, 5:30 AM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Clinton, Fayette, Greene, Jackson and 9 more6 hr
Apr 21, 11:00 AM CDTSevere Thunderstorm WatchSPCAlexander, Bond, Calhoun, Clay, Clinton, Crawford and 30 more5 hr
Apr 21, 12:45 PM CDTSevere Thunderstorm WatchSPCHardin5 hr
Apr 21, 5:30 PM CDTSevere Thunderstorm WatchSPCGallatin, Hardin, Johnson, Pope5 hr
Apr 24, 10:15 AM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 30 more5 hr
Apr 24, 1:30 PM CDTSevere Thunderstorm WatchSPCBoone, Cook, DeKalb, DuPage, Ford, Grundy and 17 more6 hr
May 1, 9:45 AM CDTSevere Thunderstorm WatchSPCAlexander, Franklin, Jackson, Johnson, Massac, Perry and 6 more6 hr
May 1, 12:45 PM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 50 more5 hr
May 2, 7:30 AM CDTSevere Thunderstorm WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more5 hr
May 6, 7:45 AM CDTSevere Thunderstorm WatchSPCAdams, Calhoun, Greene, Jersey, Madison, Pike and 1 more4 hr
May 6, 10:45 AM CDTSevere Thunderstorm WatchSPCBond, Clay, Clinton, Edwards, Effingham, Fayette and 20 more5 hr
May 6, 5:30 PM CDTSevere Thunderstorm WatchSPCBoone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more6 hr
May 7, 12:45 AM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clinton, Fayette, Greene and 9 more5 hr
May 7, 3:00 AM CDTSevere Thunderstorm WatchSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more5 hr
May 7, 3:45 AM CDTSevere Thunderstorm WatchSPCClark, Clay, Coles, Crawford, Cumberland, Edwards and 12 more5 hr
May 8, 1:30 AM CDTSevere Thunderstorm WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more6 hr
May 8, 8:30 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Calhoun, Cass, Greene, Jersey and 6 more6 hr
May 8, 9:00 PM CDTSevere Thunderstorm WatchSPCHancock, Henderson, Jo Daviess, McDonough, Mercer, Rock Island and 1 more5 hr
May 8, 11:30 PM CDTSevere Thunderstorm WatchSPCChampaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 12 more5 hr
May 9, 2:30 AM CDTSevere Thunderstorm WatchSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more6 hr
May 12, 2:45 PM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 23 more5 hr
May 12, 6:15 PM CDTSevere Thunderstorm WatchSPCClay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 16 more5 hr
May 25, 1:45 PM CDTSevere Thunderstorm WatchSPCClark, Crawford5 hr
May 31, 11:00 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Cass, Christian, Fulton, Hancock and 11 more5 hr
Jun 2, 2:30 PM CDTSevere Thunderstorm WatchSPCClark, Coles, Crawford, Cumberland, Edwards, Jasper and 5 more5 hr
Jun 3, 7:45 PM CDTSevere Thunderstorm WatchSPCCook, DeKalb, DuPage, Grundy, Kane, Kendall and 2 more3 hr
Jun 4, 3:30 PM CDTSevere Thunderstorm WatchSPCFord, Grundy, Iroquois, Kankakee, Will6 hr
Jun 4, 5:00 PM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 27 more5 hr
Jun 5, 12:15 PM CDTSevere Thunderstorm WatchSPCAlexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 8 more6 hr
Jun 26, 4:30 PM CDTSevere Thunderstorm WatchSPCHenderson, Henry, Mercer, Rock Island, Whiteside5 hr
Jul 22, 2:30 PM CDTSevere Thunderstorm WatchSPCCass, Champaign, Christian, DeWitt, Douglas, Ford and 20 more6 hr
Jul 27, 8:55 PM CDTSevere Thunderstorm WatchSPCJo Daviess, Stephenson5 hr
Jul 29, 12:20 PM CDTSevere Thunderstorm WatchSPCClark, Crawford, Lawrence, Richland6 hr
Aug 1, 6:10 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DeWitt and 36 more6 hr
Aug 13, 12:00 PM CDTSevere Thunderstorm WatchSPCBoone, Cook, DeKalb, DuPage, Grundy, Iroquois and 10 more6 hr
Aug 17, 3:45 AM CDTSevere Thunderstorm WatchSPCJo Daviess5 hr
Aug 21, 2:25 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, DeKalb, Henderson, Henry and 14 more6 hr
Dec 18, 2:15 AM CSTSevere Thunderstorm WatchSPCAdams, Hancock, Henderson6 hr

By county

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

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20012003

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.