Alert archive / Illinois / Mesoscale Discussions / 2024

Mesoscale Discussions in Illinois, February 2024

11 mesoscale discussions in February 2024. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in February 2024. Tap one for its archive.

Mesoscale Discussions
11
Busiest day
February 27, 20244 mesoscale discussions

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
Feb 8, 2:53 PM CSTMesoscale DiscussionSPCBureau, Carroll, Henry, Jo Daviess, Knox, LaSalle and 12 more3 hr
Feb 8, 4:44 PM CSTMesoscale DiscussionSPCLaSalle, Marshall, Woodford61 min
Feb 10, 1:57 AM CSTMesoscale DiscussionSPCEdwards, Gallatin, Hamilton, Wabash, White2 hr
Feb 16, 11:26 AM CSTMesoscale DiscussionSPCChampaign, Coles, DeWitt, Douglas, Edgar, Logan and 5 more4 hr
Feb 16, 3:04 PM CSTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Crawford, Cumberland and 13 more4 hr
Feb 27, 12:00 AM CSTMesoscale DiscussionSPCFranklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 10 more2 hr
Feb 27, 2:50 PM CSTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Ford and 25 more115 min
Feb 27, 5:47 PM CSTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 20 more88 min
Feb 27, 5:59 PM CSTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more91 min
Feb 27, 7:46 PM CSTMesoscale DiscussionSPCAlexander, Clark, Clay, Clinton, Crawford, Edwards and 23 more119 min
Feb 27, 11:50 PM CSTMesoscale DiscussionSPCClark, Clay, Crawford, Franklin, Jasper, Jefferson and 6 more85 min

By county

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

43 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.