Alert archive / Illinois / Tornado Watches

Tornado Watches in Illinois, 1999

22 tornado watches in 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 1999. Tap one for its archive.

Tornado Watches
22
Busiest month
April8 tornado watches
Busiest day
June 1, 19993 tornado 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 17, 6:30 PM CSTTornado WatchSPCHardin6 hr
Jan 21, 4:30 PM CSTTornado WatchSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more6 hr
Jan 21, 10:00 PM CSTTornado WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more5 hr
Jan 22, 2:45 AM CSTTornado WatchSPCGallatin, Hardin, Massac, Pope, Wabash6 hr
Feb 11, 2:30 PM CSTTornado WatchSPCAlexander, Bond, Champaign, Christian, Clark, Clay and 53 more6 hr
Apr 3, 1:30 PM CSTTornado WatchSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more6 hr
Apr 5, 4:00 PM CDTTornado WatchSPCAdams, Alexander, Bond, Brown, Calhoun, Cass and 28 more6 hr
Apr 5, 7:00 PM CDTTornado WatchSPCBureau, Fulton, Hancock, Henderson, Henry, Knox and 9 more4 hr
Apr 8, 5:15 PM CDTTornado WatchSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 8 more4 hr
Apr 8, 5:15 PM CDTTornado WatchSPCCalhoun, Greene, Jersey, Macoupin, Morgan, Pike and 1 more4 hr
Apr 8, 8:00 PM CDTTornado WatchSPCBond, Bureau, Cass, Champaign, Christian, Clark and 51 more5 hr
Apr 10, 7:30 PM CDTTornado WatchSPCAlexander, Bond, Christian, Clark, Clay, Clinton and 36 more6 hr
Apr 27, 2:30 PM CDTTornado WatchSPCAlexander, Clark, Clay, Clinton, Crawford, Cumberland and 26 more7 hr
May 4, 4:45 PM CDTTornado WatchSPCCalhoun, Greene, Jersey5 hr
May 4, 5:45 PM CDTTornado WatchSPCAlexander, Franklin, Jackson, Union4 hr
May 5, 3:00 PM CDTTornado WatchSPCAlexander, Clark, Clay, Coles, Crawford, Cumberland and 23 more6 hr
May 16, 9:00 PM CDTTornado WatchSPCJo Daviess6 hr
Jun 1, 1:30 PM CDTTornado WatchSPCAdams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more6 hr
Jun 1, 4:00 PM CDTTornado WatchSPCBond, Brown, Bureau, Calhoun, Cass, Champaign and 52 more6 hr
Jun 1, 5:30 PM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 16 more5 hr
Jun 1, 8:45 PM CDTTornado WatchSPCClark, Coles, Cook, Crawford, Cumberland, Douglas and 5 more5 hr
Aug 12, 6:45 PM CDTTornado WatchSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 34 more5 hr

By county

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

55 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 1, 19993tornado watches
  2. January 22, 19992tornado watches
  3. April 8, 19992tornado watches
  4. May 4, 19992tornado watches
  5. January 18, 19991tornado watches
  6. January 21, 19991tornado watches
  7. February 11, 19991tornado watches
  8. April 3, 19991tornado watches
  9. April 5, 19991tornado watches
  10. April 6, 19991tornado watches
  11. April 9, 19991tornado watches
  12. April 11, 19991tornado watches

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. Rebuilt daily.