The advisory was for San Diego County Coastal Areas, San Diego County Inland Valleys, Orange County Coastal and Orange County Inland.

On Wednesday at 2:28 a.m. a dense fog advisory was issued by the National Weather Service in effect until 7 a.m. for Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks as well as Delaware and Philadelphia counties.

All of South Florida woke up to a foggy start this New Year’s Eve, with the National Weather Service issuing a dense fog advisory until 10 a.m. READ MORE: New Year’s Eve to ring in with clear skies after dense morning fog. Here’s forecast