Is a type of fog that is associated with weather fronts, particularly warm fronts. This type of fog develops when frontal precipitation falling into the colder air ahead of the warm front causes the a [..]

See Evaporation fog.

A cloud formed when precipitation falls from relatively warm air aloft into a wedge of relatively cool air near the Earth’s surface and raises the vapor pressure in the cool air to saturation; occurs either just ahead of a warm front or just behind a cold front.