Cirrus intortus cloud

Cirrus intortus
Abbreviation	Ci in
Symbol
Genus	Cirrus (curl of hair)
Variety	intortus (interlaced)
Altitude	Above 5,000 m (Above 16,500 ft)
Classification	Family A (High-level)
Appearance	tangled, interlaced[1]
Precipitation cloud?	No
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Cirrus intortus is a variety of cirrus cloud. The name cirrus intortus is derived from Latin, meaning "twisted, wound".^[2] The variety of intortus clouds is specific to cirrus clouds, and they appear as interwound strands of cirrus clouds with a purely random pattern.^[3] The filiments are often curved in a very irregular pattern.^[4]

Like other Cirrus clouds, cirrus intortus occur at high altitudes.^[5]

See also

List of cloud types

References

1. ^ Wolken Online. "Cirrus". Cloud Atlas. http://www.clouds-online.com/cloud_atlas/cirrus/cirrus.htm. Retrieved 13 July 2011. 
2. ^ Numen - The Latin Lexicon. "Definition of intortus". http://latinlexicon.org/definition.php?p1=2030263. Retrieved 13 July 2011. 
3. ^ Dunlop, Storm (2003). The weather identification handbook (1st Lyons Press ed. ed.). Guilford, Conn.: Lyons Press. pp. 58. ISBN 1585748579. http://books.google.com/books?id=BR2ft4G5TgQC&lpg=PA1&pg=PA58#v=onepage&q=intortus&f=false. Retrieved 13 July 2011. 
4. ^ Callanan, Martin. "Cirrus intortus". International Cloud Atlas. nephology.eu. http://nephology.eu/cirrus/cirrus-intortus. Retrieved 13 July 2011. 
5. ^ The Weather Observer. "Cirrus intortus (Ci in)". http://www.theweatherobserver.com/?p=71. Retrieved 13 July 2011. 

External links

International Cloud Atlas - Cirrus intortus