That's radiation fog, and it typically forms on clear, calm nights as the land cools via thermal radiation. When the air directly above the ground starts cooling too, it can't hold as much moisture.

Land fog, also known as radiation fog, is a little different from sea fog. Advection fog forms as warmer, more humid air moves over colder ground. The air is cooled to saturation by the cold from ...

According to the National Weather Service, there are five different types of fog: radiation fog, advection fog, freezing fog, evaporation fog, and hail fog. Radiation fog is very common.

Not all fog is the same. In fact, there are several different types of fog. The most common types are radiation fog and advection fog. Other types include steam fog, precipitation fog, upslope fog ...

There are a handful of different types of fog with varying characteristics, according to the weather service. "Radiation fog" forms overnight as as heat that's absorbed by the Earth's surface ...

Wisconsin's Weather Experts talk about radiation and steam fog. They also have the latest statewide forecast, extended outlook and more. Posted May 26, 2025 12:49pm CDT ...

Advection Fog: Typically found in the winter when warmer air moves atop a substantial amount of snow on the ground. Radiation Fog: This is the most common type. The ground cools rapidly at night ...

There are several different types of fog, the NWS explains, including radiation fog (forms overnight when heat radiates away from the surface), advection fog (occurs when moist air moves over a ...