Cirrus radiatus

Cirrus radiatus is a variety of cirrus cloud. The name cirrus radiatus is derived from Latin, meaning "rayed, striped".[1] This variety of cirrus clouds occurs in parallel bands that often cover the entire sky and appear to converge at a single point[2] or two opposite points on the horizon. Cirrus radiatus is often partly made up of cirrocumulus or cirrostratus.[3]

Cirrus radiatus
Cirrus radiatus clouds with a contrail crossing through
AbbreviationCi ra
GenusCirrus (curl of hair)
Varietyradiatus (extensive bands)
AltitudeAbove 5,000 m
(Above 16,500 ft)
Appearanceparallel bands
Precipitation cloud?No


  1. Latin Dictionary. "Definition of: radiatus". Archived from the original on 24 March 2012. Retrieved 13 July 2011.
  2. Dunlop, Storm (2003). The weather identification handbook (1st Lyons Press ed.). Guilford, Conn.: Lyons Press. p. 58. ISBN 1-58574-857-9.
  3. Callanan, Martin. "Cirrus radiatus". International Cloud Atlas. Retrieved 13 July 2011.

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