Alert archive / Illinois / Dense Fog Advisories
Dense Fog Advisories in Illinois, 2005
16 dense fog advisories in 2005. 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 2005. Tap one for its archive.
- Dense Fog Advisories
- 16
- Busiest month
- December7 dense fog advisories
- Busiest day
- September 21, 20052 dense fog advisories
Over time
By month
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 |
|---|---|---|---|---|
| Aug 15, 11:25 PM CDT | Dense Fog Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 23 more | 12 days |
| Sep 8, 8:53 AM CDT | Dense Fog Advisory | DVN | Bureau, Henry, Putnam, Rock Island | 113 min |
| Sep 20, 6:07 AM CDT | Dense Fog Advisory | ILX | Cass, Logan, McLean, Marshall, Mason, Menard and 5 more | 3 hr |
| Sep 21, 12:07 AM CDT | Dense Fog Advisory | LSX | Clinton, Marion, Monroe, Randolph, Saint Clair, Washington | 9 hr |
| Sep 21, 4:00 AM CDT | Dense Fog Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more | 6 hr |
| Oct 13, 2:58 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, Mercer, Rock Island | 7 hr |
| Oct 13, 4:14 AM CDT | Dense Fog Advisory | LSX | Adams, Brown | 6 hr |
| Oct 14, 3:29 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 6 hr |
| Nov 6, 11:57 PM CST | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 8 hr |
| Dec 21, 11:44 PM CST | Dense Fog Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 1 more | 6 hr |
| Dec 24, 5:55 PM CST | Dense Fog Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 10 hr |
| Dec 24, 7:07 PM CST | Dense Fog Advisory | LOT | Ford, Iroquois, Kankakee | 10 hr |
| Dec 24, 9:44 PM CST | Dense Fog Advisory | PAH | Edwards, Gallatin, Hamilton, Saline, Wabash, Wayne and 1 more | 5 hr |
| Dec 26, 10:13 PM CST | Dense Fog Advisory | DVN | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson, Whiteside | 29 hr |
| Dec 27, 10:10 PM CST | Dense Fog Advisory | ILX | Cass, Champaign, Christian, DeWitt, Fulton, Knox and 16 more | 14 hr |
| Dec 27, 10:55 PM CST | Dense Fog Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 1 more | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Champaign County4
- Clark County4
- Clay County4
- Crawford County4
- Cumberland County4
- Effingham County4
- Jasper County4
- Lawrence County4
- Richland County4
- Vermilion County4
- Rock Island County4
- Cass County3
- Coles County3
- Douglas County3
- Edgar County3
- Logan County3
- McLean County3
- Mason County3
- Menard County3
- Morgan County3
- Sangamon County3
- Scott County3
- Tazewell County3
- Mercer County3
- Ford County3
- Iroquois County3
- Kankakee County3
- Christian County2
- DeWitt County2
- Macon County2
- Moultrie County2
- Piatt County2
- Schuyler County2
- Shelby County2
- Bureau County2
- Henry County2
- Putnam County2
- Marshall County2
- Woodford County2
- Hancock County2
30 more counties
- Henderson County2
- Carroll County2
- Jo Daviess County2
- Stephenson County2
- Whiteside County2
- Grundy County2
- Kendall County2
- LaSalle County2
- Livingston County2
- Clinton County1
- Marion County1
- Monroe County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Adams County1
- Brown County1
- McDonough County1
- Warren County1
- Edwards County1
- Gallatin County1
- Hamilton County1
- Saline County1
- Wabash County1
- Wayne County1
- White County1
- Fulton County1
- Knox County1
- Peoria County1
- Stark County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20042006
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.