The deep blue Sky Live WP description

Clouds are formed on the earth's surface when warm and richly saturated moist air begins to rise into the sky and when the temperature of air at a certain height, it cools. At low temperature conditions water vapor turns into ice crystals or water droplets from what, in fact, is a cloud or cloud.
Each such natural phenomenon has a unique shape that is constantly changing. If the temperature in the cloud above minus 100C, the cloud is dominated drip elements when the temperature ranges from minus 100 to minus 150S speaks of mixed composition - is ice crystals and droplets of moisture in achieving a cloud minus 150S formed crystal elements. From the land there are clouds in the troposphere, divide them according to the international classification of clouds on the types and versions on special features. There are thunderstorms, rain, cirrus, cumulus, stratus, pearl and other cloud ..