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cloud base
Definição1
For a given cloud or cloud layer, the lowest level in the atmosphere at which the air contains a perceptible quantity of cloud particles.
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: 15 mar. 2021.
Nota adicional1
The cloud base is measured from the ground.
Nota adicional2
Acronym in English: BASE.
Nota adicional3
Information regarding this term is a result of researches developed by DECEA in cooperation with ANAC.
Contexto
At aerodromes with runways intended for Category I instrument approach and landing operations, automated equipment for measuring or assessing, as appropriate, and for monitoring and remote indicating of surface wind, visibility, runway visual range, height of cloud base, air and dew-point temperatures and atmospheric pressure should be installed to support approach and landing and take-off operations.
Subárea1
Aeronautical Meteorology
Related Term
cloud top
Português
base de nuvem