Earth and Space clouds

High Clouds

small amount of H2O vapor and low temp. at such altitudes composed of ice crystals and are thin white in appearance.

Middle Clouds

composed of liquid water

Lower Clouds

sometimes occur as individual clouds but more often appear as a general overcast often widespread are associated with somber skies and drizzly rain.

Vertical Clouds

low bases rises to heights of as much as 15km

Types of fog

radiation, advection, upslope, and evaporation.
Radiationfog: produced by the nocturnal cooling of the surface boundary layer to a temperature at which its content of water vapor condenses.