Alert archive / Illinois / Severe Thunderstorm Warnings / 2011

Severe Thunderstorm Warnings in Illinois, November 2011

12 severe thunderstorm warnings in November 2011. 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 warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in November 2011. Tap one for its archive.

Severe Thunderstorm Warnings
12
Busiest day
November 14, 20119 severe thunderstorm warnings

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
Nov 14, 3:40 AM CSTSevere Thunderstorm WarningILXColes, Douglas, Moultrie, Shelby51 min
Nov 14, 3:26 PM CSTSevere Thunderstorm WarningPAHJefferson, Perry34 min
Nov 14, 3:28 PM CSTSevere Thunderstorm WarningLSXWashington12 min
Nov 14, 3:33 PM CSTSevere Thunderstorm WarningILXClark, Coles, Cumberland42 min
Nov 14, 3:48 PM CSTSevere Thunderstorm WarningPAHFranklin, Jackson, Perry, Williamson42 min
Nov 14, 4:39 PM CSTSevere Thunderstorm WarningPAHWayne21 min
Nov 14, 5:05 PM CSTSevere Thunderstorm WarningPAHAlexander, Pulaski, Union25 min
Nov 14, 5:21 PM CSTSevere Thunderstorm WarningPAHJohnson, Massac, Pulaski, Union39 min
Nov 14, 5:46 PM CSTSevere Thunderstorm WarningPAHHardin, Johnson, Massac, Pope44 min
Nov 14, 6:14 PM CSTSevere Thunderstorm WarningPAHGallatin, Hardin, Pope, Saline46 min
Nov 20, 11:20 PM CSTSevere Thunderstorm WarningPAHJohnson, Pope25 min
Nov 20, 11:44 PM CSTSevere Thunderstorm WarningPAHHardin, Pope, Saline31 min

By county

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

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.