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microburst
Definição1
A convective downdraft (downburst) that covers an area less than 4 km along a side with peak winds that last 2–5 minutes.
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: 23 fev. 2022.
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Wind shear. Montreal, 1987. (Cir. 186 AN/122).
Nota adicional1
The strong wind shears associated with a microburst can result in aircraft accidents. Microbursts can be wet (contain rain) or dry.
Nota adicional2
Acronym: MBST
Contexto
In a downburst (a microburst being simply a concentrated form of a downburst), strong downdrafts penetrate through the base of the cloud and reach very close to ground level before spreading [] along the ground.
Subárea
Meteorology
Related Term
downburst
Spanish
microrráfaga