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2015/01/27

MONTESSORI ASTRONOMY : Types of Clouds - Cirrus




 Cirrus


Cirrus

Altitude: Above 7,000 m
Abbreviation: Ci
Appearance: Thin, hair like strands


Cirrus clouds look like thin, hair like strands.
They are formed when water vapor cools in
high altitudes, and forms crystals. As the
crystals move down in altitude, they tend to
move slower than the top layers and therefore,
they take on the appearance of hair as they
are moved apart by the wind. Cirrus clouds
usually indicate that a storm might be
moving in within the next few hours. 

   Cirrus: (Latin) A curl of hair

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