Also called "steam fog," sea smoke "forms when water evaporates from the warm water surface and immediately condenses in the cold air above," according to the National Oceanic and Atmospheric ...
Peak fog season in southern Louisiana generally runs from December through March, Grigsby said, when bodies of water like Lake Pontchartrain are cooler from low overnight temperatures and cold spells.
METAIRIE, La. — Drivers crossing the Causeway Bridge Saturday morning faced some restrictions due to the weather. All lanes in both directions have reopened after dense fog on Lake Pontchartrain ...