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broken
Definição1
Descriptive of a sky cover of from 0.6 to 0.9 (to the nearest tenth). This is applied only when obscuring phenomena aloft are present, that is, not when the sky cover is composed entirely of surface-based obscuring phenomena.
Fonte1
AMERICAN METEOROLOGICAL SOCIETY. Glossary of meteorology. [S.l., última modificação 05 oct. 2015]. Disponível em: < http://glossary.ametsoc.org/wiki/Main_Page >. Acesso em: 21 set. 2021.
Definição2
[broken level] a layer of the atmosphere with 5/8 to 7/8 sky cover (cloud cover).
Fonte2
UNITED STATES. National Weather Service. National weather service glossary. [20-?]. In: ______. [Homepage]. [Silver Spring, MD, 20-?]. Disponível em: < https://forecast.weather.gov/glossary.php >. Acesso em: 21 set. 2021.
Fonte3
FEDERAL AVIATION ADMINISTRATION. Pilot’s handbook of aeronautical knowledge. [s.l.], 2016. Disponível em: < https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/phak/media/pilot_handbook.pdf>. Acesso em: 21 set. 2021.
Nota Adicional1
In aviation weather observations, a broken sky cover may be explicitly identified as thin (predominantly transparent); otherwise a predominantly opaque status is implicit.
Nota Adicional2
Acronym in English: BKN.
Contexto
Approaching Indianapolis, the weather deteriorates to broken clouds at 2,000 feet with three miles visibility and rain.
Subárea
Aeronautical Meteorology
Français
ciel couvert avec trouées