* WHAT...Visibility down to a quarter mile or less in dense fog. * WHERE...Anchorage, Eagle River, eastern Turnagain Arm, and Western Kenai Peninsula. * WHEN...Until 2 PM AKDT this afternoon. * IMPACTS...Hazardous driving conditions due to low visibility. Near to below freezing temperatures may lead to frost on bridges and roadways. * ADDITIONAL DETAILS...Areas of dense fog will persist across portions of the Anchorage Bowl and Western Kenai Peninsula through early afternoon before diminishing. 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.