Dense Fog Advisory issued August 12 at 4:49AM CDT until August 12 at 9:00AM CDT by NWS

...Patchy Dense Fog Across Central Alabama this Morning... ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... The National Weather Service in Birmingham has issued a Dense Fog Advisory, which is in effect until 9 AM CDT this morning. * VISIBILITY...will drop to one quarter of mile or less across portions of Central Alabama.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2fzig4G