Advection Fog 2 topics · 2 sources ScienceWeatherA fog that forms when warm air flows over a cold surface and cools from below until saturation is reached.NOAA National Weather Service — National Weather Service Glossary Cite Science› WeatherClimate ChangeAdvection fog Fog which forms in the lower part of a warm moist air mass moving over a colder surface (land or water).NSIDC — Artic Climatology and Meteorology Glossary Cite