Alert archive / Illinois / Mesoscale Discussions / 2019

Mesoscale Discussions in Illinois, February 2019

9 mesoscale discussions in February 2019. 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 2019. Tap one for its archive.

Mesoscale Discussions
9
Busiest day
February 7, 20193 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 5, 1:37 PM CSTMesoscale DiscussionSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Lee and 7 more5 hr
Feb 5, 5:56 PM CSTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Kane and 11 more6 hr
Feb 7, 6:26 AM CSTMesoscale DiscussionSPCCarroll, Henry, Jo Daviess, Mercer, Ogle, Rock Island and 3 more4 hr
Feb 7, 7:11 AM CSTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more64 min
Feb 7, 9:26 AM CSTMesoscale DiscussionSPCAlexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 7 more94 min
Feb 10, 1:15 AM CSTMesoscale DiscussionSPCAlexander, Franklin, Hamilton, Jackson, Johnson, Massac and 10 more5 hr
Feb 10, 5:41 AM CSTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 25 more4 hr
Feb 11, 7:21 PM CSTMesoscale DiscussionSPCBureau, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more6 hr
Feb 17, 12:46 AM CSTMesoscale DiscussionSPCMercer4 hr

By county

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

33 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20182020

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.