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Altocumulus undulatus cloud Reference Libraries

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Altocumulus
2009-07-04 15:40:07

Altocumulus clouds belong to a class distinguished by globular masses or rolls in layers or patches. These clouds are larger and darker than cirrocumulus and smaller than stratocumulus. Like other cumulus clouds, altocumulus indicates a vertical and upward transference of atmospheric conditions. Altocumulus are often seen preceding a cold front, and their presence on a warm, humid, summer...

Cirrocumulus
2009-07-04 15:02:09

Cirrocumulus clouds are high-altitude clouds that mainly occur between 16,000 and 40,000 feet. Like most cumulus clouds, these clouds indicate a vertical and upward transference of atmospheric conditions. Unlike other cirrus clouds, cirrocumulus composition includes super-cooled liquid water droplets. Ice crystals are also present, and usually, the ice crystals cause the droplets in the cloud...

Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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