From NWS Pittsburgh:

Dense fog will impact travel early this morning across portions of western Pennsylvania, northern West Virginia, and eastern Ohio. A Dense Fog Advisory is in effect until 10 AM.

Counties included are Marion, Monongalia, Preston and Tucker in WV. Greene County in PA.

See the attached graphic.

As predicted, dense fog observed in Suncrest, Morgantown, WV at 06:55. Visibility is less than 0,1 miles. Be careful if you are out driving this morning.

Jeff, WB1AAL