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Sunday, November 14, 2010

RAIN FALL

RAIN FALL

Moisture moving along three-dimensional zones of temperature and moisture contrasts known as is the major method of rain production. If enough moisture and upward motion is present, precipitation falls from convective clouds (those with strong upward vertical motion) such as (thunderstorms) which can organize into. In mountainous areas, heavy precipitation is possible where upslope flow is maximized within sides of the terrain at elevation which forces moist air to condense and fall out as rainfall along the sides of mountains .

Rain is liquid, as opposed to non-liquid kinds of precipitation such as and Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface. On Earth, it is the of atmospheric into of heavy enough to fall, often making it to the surface. Two processes, possibly acting together, can lead to air becoming saturated leading to rainfall: cooling the air or adding water vapor to the air.


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