Alert archive / Illinois / Dense Fog Advisories / 2012

Dense Fog Advisories in Illinois, December 2012

10 dense fog advisories in December 2012. 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 dense fog advisories reaches back to 2005.

Dense Fog Advisories by county

Each county as a circle sized by its count in December 2012. Tap one for its archive.

Dense Fog Advisories: 10
Busiest day: December 3, 20124 dense fog advisories

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.

Issued	Product	Office	Counties	Lasted
Dec 1, 10:26 PM CST	Dense Fog Advisory	DVN	Hancock, Henderson, McDonough, Warren	15 hr
Dec 2, 9:36 AM CST	Dense Fog Advisory	LSX	Adams	5 hr
Dec 2, 6:25 PM CST	Dense Fog Advisory	LSX	Adams, Brown	10 hr
Dec 2, 6:56 PM CST	Dense Fog Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	13 hr
Dec 2, 7:01 PM CST	Dense Fog Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	13 hr
Dec 2, 8:17 PM CST	Dense Fog Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 11 more	10 hr
Dec 7, 3:24 AM CST	Dense Fog Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	6 hr
Dec 7, 4:41 AM CST	Dense Fog Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	4 hr
Dec 24, 4:21 AM CST	Dense Fog Advisory	PAH	Alexander, Gallatin, Hardin, Massac, Pope, Pulaski	5 hr
Dec 30, 4:50 AM CST	Dense Fog Advisory	ILX	Clay, Crawford, Jasper, Lawrence, Richland	4 hr

By county

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

35 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2011 2013

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.