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dust
Definição1
Finely divided solid matter with particles sizes small enough to be carried aloft by air movement.
Fonte1
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 3 to the Convention on International Civil Aviation. Meteorological Service for International Air Navigation: parts I and II. 18th ed. Montreal, 2013.
Nota adicional1
Acronym in English: DU.
Nota adicional2
Information regarding this term is a result of researches developed by DECEA in cooperation with ANAC.
Contexto
The trend forecast shall indicate the expected onset or cessation of one or more of the following weather phenomena or combinations thereof:   - freezing fog - low drifting dust, sand or snow - blowing dust, sand or snow - thunderstorm (without precipitation) - squall - funnel cloud (tornado or waterspout).
Subárea1
Meteorology
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