Alert archive / Illinois / Dense Fog Advisories / 2015
Dense Fog Advisories in Illinois, August 2015
10 dense fog advisories in August 2015. 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 August 2015. Tap one for its archive.
- Dense Fog Advisories
- 10
- Busiest day
- August 10, 20153 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 |
|---|---|---|---|---|
| Aug 8, 2:34 AM CDT | Dense Fog Advisory | PAH | Edwards, Gallatin, Hamilton, Hardin, Massac, Pope and 4 more | 6 hr |
| Aug 8, 2:54 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 6 hr |
| Aug 10, 4:42 AM CDT | Dense Fog Advisory | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 12 more | 4 hr |
| Aug 10, 4:47 AM CDT | Dense Fog Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Lee and 1 more | 5 hr |
| Aug 10, 5:03 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 3 hr |
| Aug 23, 5:35 AM CDT | Dense Fog Advisory | PAH | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 2 more | 2 hr |
| Aug 23, 7:11 AM CDT | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Marion, Montgomery, Washington | 109 min |
| Aug 30, 12:40 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 10 hr |
| Aug 30, 7:14 PM CDT | Dense Fog Advisory | DVN | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 2 more | 11 hr |
| Aug 31, 12:50 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County3
- Henry County3
- Mercer County3
- Rock Island County3
- Edwards County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Saline County2
- Wabash County2
- Wayne County2
- White County2
- Grundy County2
- Kankakee County2
- Lee County2
- Carroll County2
- Hancock County2
- Jo Daviess County2
- McDonough County2
- Stephenson County2
- Warren County2
- Whiteside County2
- Massac County1
- Pope County1
- Clark County1
- Clay County1
- Crawford County1
- Cumberland County1
- Effingham County1
- Jasper County1
- Lawrence County1
- Richland County1
- Cass County1
- Champaign County1
- DeWitt County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
31 more counties
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Scott County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Ford County1
- Iroquois County1
- LaSalle County1
- Livingston County1
- Bureau County1
- Putnam County1
- Bond County1
- Clinton County1
- Fayette County1
- Marion County1
- Montgomery County1
- Washington County1
- Boone County1
- DeKalb County1
- DuPage County1
- Kane County1
- Kendall County1
- Lake County1
- McHenry County1
- Ogle County1
- Winnebago County1
Nearby
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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.