Frost consists of white ice crystals of frozen water vapor near the ground. During Frost's Descent, frost begins to appear.

Parts of Pennsylvania might see its first frost this week, but other areas will be later. Proximity to the ocean and elevation are two factors that affect how early or late frost can appear. It is ...

Proximity to the ocean and elevation are two factors that affect how early or late frost can appear. It is also difficult to forecast, as NWS Mt. Holly meteorologist Robert Deal said. It requires ...

Proximity to the ocean and elevation are two factors that affect how early or late frost can appear. It is also difficult to forecast, as NWS Mt. Holly meteorologist Robert Deal said. It requires ...