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Clouds only form when the air pressure is low.
the white clouds
Clouds are at their coldest point and the air has to be reached its saturation.
Lenticular clouds generally form in mountainous regions. In these areas, there can be pockets of low pressure in the sky. When air encounters these low-pressure regions, it expands. If the air cools enough, it will condense to form lenticular clouds. The name "lenticular" actually means lens-shaped, because these clouds usually form an oval.
air and water
Descending air not allow clouds to form because air rises at low pressures.
Descending air not allow clouds to form because air rises at low pressures.
High Pressure comes down and the clouds are up.
High Pressure comes down and the clouds are up.
to form
When air rises it decompresses and cools. The cooling can cause moisture in the air to condense.
clouds form when the air is cooled to its dew point
before clouds can form air must become what?
Cumulonimbus, or thunderstorm, clouds form from rising moist air.
Clouds form when warm moist air rises, cools and condenses.
Mammatus clouds for in sinking air. (Ahrens 2008) Essentials of Meteorology Fifth Edition
clouds form above chimneys as the warm air mixes with the cool air