What causes fog?

Answer by  rnovikoffgmailcom (1722)

fog is formed when an air mass pushes a "cloud" from over a body of water (sea) onto the land where it sits and has nowhere to go. The idea behind fog is that its a cloud on the ground. the actual fog comes from the ocean or a lake where evaportation happens

Answer by  jsflw2010 (459)

A cloud on the surface is a good description of fog. Factors that cause fog to form are: warm moist air blowing over a cold surface, the sun rapidly evaporating rainfall, or radiation fog as the moist ground is covered by a cooler air mass. Radiation fog usually occurs in the fall.

Answer by  Melva (159)

Fog is like a cloud that is near the ground. Fog forms when condensed water is cooled and can no longer hold its vapor.

Answer by  wennifred (597)

Fog can be thought of as a very low-lying cloud that is not dense enough to rain. It is caused by a warm, wet ground, and a lack of wind.

Answer by  Gabriel (2146)

Fog is a cloud at ground level. When dew point and temperature are close in a humid area, clouds form.

Answer by  Bill6565 (20)

A single cup of coffee contains enough moisture to blanket an entire neighborhood with fog, because fog is caused by super saturated air that can no longer hold water vapor.