okta

listen to the pronunciation of okta
English - Turkish
(Meteoroloji) Bulutların kalınlığını ifade etmekte kullanılan birim
English - English
One eighth of the total area of the celestial dome; used as a measure of cloudiness (one okta means that one eighth of the sky is obscured, two oktas that one quarter is obscured, and so on)

For example, it has been estimated that a Landsat satellite, which revisits a particular location once every 16 days, will obtain a cloud-free scene of a particular location in Britain only once per year, and a scene with 1 okta of cloud (an okta is one eighth of the sky obscured by cloud) only twice per year.

(Meteoroloji) (plural same or oktas) A unit used in expressing the extent of cloud cover, equal to one eighth of the sky
The fraction of the sky that is obscured by clouds, in eighths (one okta means that one eighth of the sky is obscured, two oktas that one quarter is obscured, and so on)