Dense Fog Advisory issued January 28 at 4:32AM CST until January 28 at 9:00AM CST by NWS Huntsville AL

* WHAT…Visibility of one-quarter of a mile or less in dense
freezing fog. The freezing fog may create a very thin glaze of ice
on elevated and exposed surfaces.

* WHERE…In Alabama, Cullman, Madison, Morgan, DeKalb, Jackson, and
Marshall Counties. In Tennessee, Franklin TN County.

* WHEN…Until 9 AM CST this morning.

* IMPACTS…The combination of low visibility and the potential for
a thin glaze of ice on bridges and overpasses will make driving
conditions hazardous in locations where fog has developed.