Earth and Space clouds
small amount of H2O vapor and low temp. at such altitudes composed of ice crystals and are thin white in appearance.
composed of liquid water
sometimes occur as individual clouds but more often appear as a general overcast often widespread are associated with somber skies and drizzly rain.
Much like Cumulus clouds, except all lumped together and bigger.
Dark, widespread, formless layer
low bases rises to heights of as much as 15km
when warm moist air moves horizontally over a cold surface such as snow covered ground.
created by adiabatic cooling when humid aair climbs a topographic slope.
water vapor is add to cold air that is already near saturation.