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- Definição1
- A relatively small-scale downward current of air. These are common near cumuliform clouds, in precipitation areas, and on leeward side of large features. They pose risks to light aircraft and helicopters, especially those flying near the ground.
- Fonte1
- KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
- Subárea1
- Meteorology
- Português
- bolsa de ar