...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM AKST EARLY THIS MORNING... * WHAT...Visibility one-quarter mile in dense fog. * WHERE...Anchorage, with the worst conditions in the Anchorage Bowl. * WHEN...Until 5 AM AKST early this morning. * IMPACTS...Hazardous driving conditions due to low visibility and icy roads. Below freezing temperatures may lead to frost on bridges and roadways. * ADDITIONAL DETAILS...Main roads may be icy as water on surfaces refreeze overnight. Side and neighborhood roads remain icy and will combine with the fog and low visibilities to make travel difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&