...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CST WEDNESDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...Until 11 AM CST Wednesday. * IMPACTS...Very low visibilities will make driving conditions very hazardous through the Christmas holiday period. * ADDITIONAL DETAILS...The threat for dense fog will likely develop each evening and persist through late morning through the holiday period and potentially through next weekend. This will result in hazardous holiday travel. Please use extreme caution if you plan to drive over the next few evenings through late morning when encountering low visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&