Alert archive / Illinois / Severe Thunderstorm Watches / 2014

Severe Thunderstorm Watches in Illinois, May 2014

11 severe thunderstorm watches in May 2014. 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 May 2014. Tap one for its archive.

Severe Thunderstorm Watches
11
Busiest day
May 12, 20143 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
May 9, 12:50 PM CDTSevere Thunderstorm WatchSPCAlexander, Bond, Clark, Clay, Clinton, Coles and 37 more7 hr
May 10, 5:16 PM CDTSevere Thunderstorm WatchSPCCalhoun, Jersey, Madison, Monroe, Saint Clair9 hr
May 11, 3:05 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Cook, DeKalb, DuPage, Ford and 23 more7 hr
May 12, 10:02 AM CDTSevere Thunderstorm WatchSPCBoone, Cook, DeKalb, DuPage, Kane, Lake and 4 more6 hr
May 12, 1:00 PM CDTSevere Thunderstorm WatchSPCAdams, Bureau, Carroll, Hancock, Henderson, Henry and 8 more7 hr
May 12, 3:49 PM CDTSevere Thunderstorm WatchSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more7 hr
May 20, 3:55 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more7 hr
May 21, 2:35 PM CDTSevere Thunderstorm WatchSPCChampaign, Clark, Coles, Cumberland, DeWitt, Douglas and 10 more5 hr
May 21, 5:28 PM CDTSevere Thunderstorm WatchSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 7 more13 hr
May 21, 7:28 PM CDTSevere Thunderstorm WatchSPCChampaign, Christian, Clark, Clay, Coles, Crawford and 19 more7 hr
May 22, 2:33 PM CDTSevere Thunderstorm WatchSPCAlexander, Massac, Pulaski5 hr

By county

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

55 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20132015

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.