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fog
Definição1
Cloud consisting of numerous minute water droplets and based at the surface; droplets are small enough to be suspended in the earth’s atmosphere indefinitely.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Aircraft flying handbook. Washington, 2004. Disponível em: http://www.faa.gov/library/manuals/aircraft/media/FAA-H-8083 -5.pdf. Acesso em: 09 maio 2012.
Definição2
The meteorological condition in which the horizontal visibility at the earth’s surface is less than 1000 m because of suspended small droplets or ice crystals in the air. Relative humidity in this case is generally 100% but not less than 95%. Fog is formed by the cooling of the air by contact and mixing or, occasionally, through saturation of the air by increasing water content.
Fonte2
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Fonte3
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of aeronautical meteorological practice. 10.ed. Montreal, 2015. (Doc. 8896)
Nota adicional1
Acronym in English: FG.
Contexto
The humidity rise is always very rapid and starts from the lowest levels in the case of a dense sea fog. Fog associated with a frontal warm advection causes the humidity to rise first at upper levels.
Subárea1
Meteorology
Related Term
haze
mist
Português
nevoeiro