Alert archive / Illinois / Dense Fog Advisories / 2016
Dense Fog Advisories in Illinois, August 2016
6 dense fog advisories in August 2016. 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 2016. Tap one for its archive.
- Dense Fog Advisories
- 6
- Busiest day
- August 17, 20162 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 2, 6:11 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Coles, Crawford, Cumberland, Effingham and 3 more | 3 hr |
| Aug 17, 6:07 AM CDT | Dense Fog Advisory | PAH | Edwards, Jefferson, Perry, Wabash, Wayne | 104 min |
| Aug 17, 6:08 AM CDT | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Macoupin, Madison, Marion and 2 more | 3 hr |
| Aug 18, 3:24 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 6 hr |
| Aug 18, 4:58 AM CDT | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Madison, Marion, Montgomery and 2 more | 4 hr |
| Aug 31, 5:09 AM CDT | Dense Fog Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County3
- Clinton County3
- Fayette County3
- Madison County3
- Marion County3
- Montgomery County3
- Washington County3
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Macoupin County2
- Saint Clair County2
- Coles County1
- Edwards County1
- Jefferson County1
- Perry County1
- Wabash County1
- Wayne County1
- Calhoun County1
- Greene County1
- Jersey County1
- Monroe County1
- Randolph County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.