Other Free Encyclopedias » Science Encyclopedia » Science & Philosophy: Positive Number to Propaganda - World War Ii » Precipitation - Types Of Precipitation, Formation Of Precipitation, Precipitation Formation In Warm Clouds, Precipitation Formation In Cold Clouds - Human influences on precipitation

Precipitation - Formation Of Precipitation

clouds temperatures warm cold

Precipitation forms differently depending on whether it is generated by warm or cold clouds. Warm clouds are defined as those that do not extend to levels where temperatures are below 32°F (0°C), while cold clouds exist at least in part at temperatures below 32°F (0°C). Temperature decreases with height in the lower atmosphere at a moist adiabatic rate of about 3.3°F per 3,281 ft (1.8°C per 1,000 m), on average. High clouds, such as cirrus, are therefore colder and more likely to contain ice. As discussed below, however, temperature is not the only important factor in the formation of precipitation.


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