Fog is a ground-level cloud formed by condensation processes. It differs from humidity, and various types like advection and radiation fog have distinct formation mechanisms.
Fog is a cloud that forms near the ground due to condensation when the air temperature reaches the dew point temperature. It can result from either contact cooling or adiabatic cooling processes.
Clouds and fog are distinct from humidity, with fog forming when the air temperature and dew point are close. Advection fog occurs when warm, moist air moves over a cool surface, leading to condensation and fog formation.
Radiation fog forms predominantly at night due to specific atmospheric conditions, and frontal fogs are associated with weather fronts like warm fronts.
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