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clouds formation

Clouds Formation

Above the troposphere
A few relatively uncommon clouds can be found above the troposphere where moisture is very scarce. These include polar mesospheric noctilucent clouds and nacreous polar stratospheric clouds. They are composed mostly of ice crystals and occur at high latitudes, mostly within 40 degrees of the poles in the mesosphere and stratosphere respectively. Most clouds above the troposphere have a wispy or fibrous appearance and can be mistakenly identified as high tropospheric cirrus clouds.

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Album name:World & Travel
Rating (1 votes):55555
Keywords:#clouds #formation
Filesize:53 KiB
Date added:Jan 12, 2012
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