Alert archive / Illinois / Dense Fog Advisories in 2018

Dense Fog Advisory 21, NWS Quad Cities, IA

December 13, 2018Des Moines County, Louisa County, Washington County, Iowa; 6 counties in Illinois

NWS Quad Cities, IA issued this dense fog advisory at Dec 13, 2018, 9:42 AM CST for Des Moines County, Louisa County, Washington County, Iowa; 6 counties in Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2018, 9:42 AM CST (15:42 UTC)
Expired
Dec 13, 2018, 1:00 PM CST
In force
3 hr
Issued by
NWS Quad Cities, IA

Counties Des Moines County, IA, Louisa County, IA, Washington County, IA, Bureau County, IL, Henderson County, IL, Henry County, IL, Mercer County, IL, Putnam County, IL, Warren County, IL

The radar

The Quad Cities radar (KDVN), 52 km from the middle of the area, began a volume at 15:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 13, 4:56 PM CSTDense Fog AdvisoryDVNDes Moines, Henry, Lee, Louisa, Muscatine, Scott3 hr

Nearby

Dense Fog Advisories in Illinois, 2018Dense Fog Advisories in Iowa, 2018Every dense fog advisory in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.