| Cirrocumulus lacunosus | |
|---|---|
 Cirrocumulus stratiformis lacunosus cloud | |
| Abbreviation | Cc la |
| Symbol |  |
| Genus | Cirro- (curl) -cumulus (heaped) |
| Variety | lacunosus (full of gaps) |
| Altitude | Above 6,000 m (Above 20,000 ft) |
| Appearance | Perforated with round, frayed holes[1] |
| Precipitation | Virga only |
Cirrocumulus lacunosus
Cirrocumulus lacunosus also known as Cirrocumulus lacunar or Cirrocumulus lacunaris [2] is a type of cirrocumulus cloud. The term lacunosus is from Latin, meaning "full of hollows".[3] Cirrocumulus lacunosus is a relatively rare cloud form that occurs as a layer of cloud with circular holes in it. Formation is commonly attributed to a cool layer mixing with a warmer, higher layer of the atmosphere.[4][5] These holes normally have frayed edges, and they are often arranged in a manner that resembles a net or a honeycomb.[6]
This term applies mainly to Cirrocumulus and Altocumulus; it may also apply, though very rarely, to Stratocumulus.[7]
See also
References
- ↑ Wolken-Online. "Cirrocumulus". Cloud Atlas. Retrieved 21 July 2011.
- ↑ "Appendix 3 - History of cloud nomenclature".
- ↑ Numen - The Latin Lexicon. "Definition of stratus". Retrieved 21 July 2011.
- ↑ "Cirrocumulus Lacunosus Cloud - EPOD - a service of USRA".
- ↑ Dunlop, Storm (2003). The weather identification handbook (1st Lyons Press ed.). Guilford, Conn.: Lyons Press. p. 67. ISBN 1-58574-857-9.
- ↑ Callanan, Martin. "Cirrocumulus lacunosus". International Cloud Atlas. nephology.eu. Archived from the original on 13 November 2022. Retrieved 21 July 2011.
- ↑ "Lacunosus". World Metereological Organization. wmo.int. Retrieved 1 April 2023. Definitions of clouds > Varieties > Lacunosus
External links
- International Cloud Atlas – Cirrocumulus lacunosus Archived 2022-11-13 at the Wayback Machine - currently inaccessible, date checked: 2023-04-01
- World Metereological Organization - cloud variety "lacunosus"
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