bn:00002232n
Noun Concept
Categories: Aviation meteorology, Severe weather and convection
EN
air pocket  pocket  air hole  vertical draft  updraft
EN
A local region of low pressure or descending air that causes a plane to lose height suddenly WordNet 3.0
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EN
A local region of low pressure or descending air that causes a plane to lose height suddenly WordNet 3.0 & Open English WordNet
In meteorology, an updraft is a small-scale current of rising air, often within a cloud. Wikipedia
Vertical movement of air, which can be dangerous to airplanes Wikipedia Disambiguation
Small‐scale current of rising air Wikidata
A hole in any surface that allows air or other gases to pass, especially an opening in the surface of a frozen lake etc. Wiktionary
Hole in surface. Wiktionary (translation)
A local region of low atmospheric pressure, or a local downward current; especially one that causes an aircraft to lose height suddenly. Wiktionary
A local region of low atmospheric pressure, or a local downward current. Wiktionary (translation)
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