Dense Fog Advisory issued November 7 at 4:50AM EST until November 7 at 7:00AM EST by NWS Columbia SC
* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Calhoun, Central Orangeburg, Clarendon, Northwestern Orangeburg, Southeastern Orangeburg, and Sumter Counties. * WHEN...Until at least 7 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous w