Cirrus fibratus
AbbreviationCi fib
Symbol
GenusCirrus (curl)
Speciesfibratus (fibered)
AltitudeAbove 6,000 m
(Above 20,000 ft)
ClassificationFamily A (High-level)
Appearancefibers, threads[1]
PrecipitationNo

Cirrus fibratus or also called Cirrus filosus [2] is a species of cirrus cloud. The name cirrus fibratus is derived from Latin, meaning "fibrous".[3] These clouds are similar to cirrus uncinus, commonly known as "mares' tails"; however, fibratus clouds do not have tufts or hooks at the end.[4] The filaments are usually separate from one another.[5]

Like other cirrus clouds, cirrus fibratus occur at high altitudes. They can indicate an approaching warm front;[6] however, they can also be an indication that fair weather will follow.[7]

See also

References

  1. Wolken Online. "Cirrus". Cloud Atlas. Archived from the original on 3 April 2019. Retrieved 13 July 2011.
  2. "Appendix 3 - History of cloud nomenclature".
  3. Numen - The Latin Lexicon. "Definition of fibratus, fibratus". Retrieved 13 July 2011.
  4. Dunlop, Storm (2003). The weather identification handbook (1st Lyons Press ed.). Guilford, Conn.: Lyons Press. p. 56. ISBN 1-58574-857-9.
  5. Callanan, Martin. "Cirrus fibratus". International Cloud Atlas. nephology.eu. Archived from the original on 24 February 2020. Retrieved 13 July 2011.
  6. Wolstanton Weather. "Cumulus Clouds". Clouds. Archived from the original on 27 March 2012. Retrieved 13 July 2011.
  7. The Weather Observer. "Cirrus Fibratus (Ci fib)". Archived from the original on 27 March 2012. Retrieved 13 July 2011.


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