Ground fog is fog that obscures less than 60% of the sky and does not extend to the base of any overhead clouds.Climate education update: News and information about climate change for teachers and students . Atmospheric Radiation Measurement. Climate Research Facility. U.S. Department of Energy. education.arm.gov However, the term is usually a synonym for shallow radiation fog; in some cases the depth of the fog is on the order of tens of centimetres over certain kinds of terrain with the absence of wind.
Ground fog is fog that obscures less than 60% of the sky and does not extend to the base of any overhead clouds.Climate education update: News and information about climate change for teachers and students . Atmospheric Radiation Measurement. Climate Research Facility. U.S. Department of Energy. education.arm.gov However, the term is usually a synonym for shallow radiation fog; in some cases the depth of the fog is on the order of tens of centimetres over certain kinds of terrain with the absence of wind.