Santa Claus would need Rudolph's red nose to be seen because dense fog is blanketing parts of New Jersey and Pennsylvania Wednesday morning.
A dense fog advisory is in effect until 10 a.m. Wednesday for most of South Jersey and the Philadelphia suburbs in Pennsylvania.
The fog is reducing visibility to a quarter mile or less.
Breaking news and the stories that matter to your neighborhood.
Motorists are advised to slow down and allow extra time to travel.