The National Weather Service issued a dense fog advisory at 3:42 a.m. on Tuesday in effect until 9 a.m. for Sumter, Greene, Hale, Perry, Bibb, Chilton, Coosa, Tallapoosa, Chambers, Autauga and Elmore counties. The weather service comments, “Visibility one quarter mile or less in dense fog.” “Low visibility could make…..