Jump to content
 







Main menu
    


Navigation  


●Main page
 ●Contents
 ●Current events
 ●Random article
 ●About Wikipedia
 ●Contact us
 ●Donate
  



Contribute  


●Help
 ●Learn to edit
 ●Community portal
 ●Recent changes
 ●Upload file
  







Search  

































●Create account

●Log in
 









●Create account
 ● Log in
  



Pages for logged out editors learn more  


●Contributions
 ●Talk
  


















Contents

   



(Top)
  


1 Definitions  




2 See also  




3 References  













Ceiling (cloud)






●Deutsch
 ●Español
 ●Français
  
Edit links
  








●Article
 ●Talk
  
















●Read
 ●Edit
 ●View history
  







Tools
    


Actions  


●Read
 ●Edit
 ●View history
  



General  


●What links here
 ●Related changes
 ●Upload file
 ●Special pages
 ●Permanent link
 ●Page information
 ●Cite this page
 ●Get shortened URL
 ●Download QR code
 ●Wikidata item
  



Print/export  


●Download as PDF
 ●Printable version
  















Appearance
    

 





From Wikipedia, the free encyclopedia
  
(Redirected from Cloud ceiling)
Not to be confused with CloudorDropped ceiling.

Inaviation, ceiling is a measurement of the height of the base of the lowest clouds (not to be confused with cloud base which has a specific definition) that cover more than half of the sky (more than 4 oktas) relative to the ground. Ceiling is not specifically reported as part of the METAR (METeorological Aviation Report) used for flight planning by pilots worldwide, but can be deduced from the lowest height with broken (BKN) or overcast (OVC) reported.[1] A ceiling listed as "unlimited" means either that the sky is mostly free of cloud cover, or that the cloud is high enough not to impede Visual Flight Rules (VFR) operation.

Definitions[edit]

ICAO
The height above the ground or water of the base of the lowest layer of cloud below 6000 meters (20,000 feet) covering more than half the sky.
United Kingdom
The vertical distance from the elevation of an aerodrome to the lowest part of any cloud visible from the aerodrome which is sufficient to obscure more than half of the sky.[2]
United States
The height above the Earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as broken, overcast, or obscuration, and not classified as thin or partial.[3]

See also[edit]

References[edit]

  1. ^ METAR
  • ^ UK Air Navigation Order, Section 1, part 33: " ‘Cloud ceiling’ means the height above the ground or water of the base of the lowest layer of cloud below 6000m which, when visible from the aerodrome, is sufficient to obscure more than half the sky". From http://caa.co.uk/CAP393.
  • ^ Section 1.1 14 CFR Part 1 - Definitions - Federal Air Regulations

    • Retrieved from "https://en.wikipedia.org/w/index.php?title=Ceiling_(cloud)&oldid=1163518379"
    Categories: 
    ●Aviation meteorology
     ●Meteorological quantities
     Hidden categories: 
    ●Articles with short description
     ●Short description matches Wikidata
      


    ●This page was last edited on 5 July 2023, at 10:39 (UTC).
    ●Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.


    ●Privacy policy
    ●About Wikipedia
    ●Disclaimers
    ●Contact Wikipedia
    ●Code of Conduct
    ●Developers
    ●Statistics
    ●Cookie statement
    ●Mobile view


    Wikimedia Foundation
    Powered by MediaWiki