... Dense fog advisory in effect until 9 am EDT this morning...
The National Weather Service in Columbia has issued a dense fog
advisory... which is in effect until 9 am EDT this morning.
* Visibility... one-quarter of a mile or less.
* Impacts... areas of dense fog will make for difficulty in
driving this morning.
A dense fog advisory means visibilities will frequently be
reduced to less than one quarter of a mile. If driving... be
careful... and allow yourself extra time.