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AVALANCHE POUDREUSE [1 record]
Record 1 - internal organization data 2012-04-25
Record 1, English
Record 1, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 1, Main entry term, English
- powder avalanche
1, record 1, English, powder%20avalanche
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- powder-snow avalanche 2, record 1, English, powder%2Dsnow%20avalanche
correct
- powder snow avalanche 3, record 1, English, powder%20snow%20avalanche
correct
- airborne avalanche 4, record 1, English, airborne%20avalanche
- dust avalanche 5, record 1, English, dust%20avalanche
- powdery avalanche 6, record 1, English, powdery%20avalanche
- drift avalanche 7, record 1, English, drift%20avalanche
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Powder avalanches consist of fine particles of snow suspended in air. They often accompany dry flowing avalanches but become pure powder avalanches when the [fine particles of snow] separate from the dense core that forms the main mass of flowing avalanches. Separation may occur when the avalanche falls over a cliff, when the powder cloud overflows a channel which the core continues to follow, or in the runout zone where the powder often covers a longer distance than the denser core material. 8, record 1, English, - powder%20avalanche
Record number: 1, Textual support number: 2 CONT
Powder snow avalanches are avalanches in which the snow breaks up into dust and becomes airborne. Generally, they are not influenced by obstacles in their path and can flow in a straight line over irregular terrain. 9, record 1, English, - powder%20avalanche
Record number: 1, Textual support number: 3 CONT
Powder avalanches occur frequently on those steep chutes. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.] 10, record 1, English, - powder%20avalanche
Record number: 1, Textual support number: 1 OBS
powder avalanche: term officially approved by the Avalanche Bulletin Terminology Standardization Committee. 11, record 1, English, - powder%20avalanche
Record 1, French
Record 1, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 1, Main entry term, French
- avalanche de poudreuse
1, record 1, French, avalanche%20de%20poudreuse
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- avalanche de neige poudreuse 2, record 1, French, avalanche%20de%20neige%20poudreuse
correct, feminine noun, officially approved
- avalanche en aérosol 3, record 1, French, avalanche%20en%20a%C3%A9rosol
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Avalanche sous forme d'aérosol dans sa phase d'écoulement. 4, record 1, French, - avalanche%20de%20poudreuse
Record number: 1, Textual support number: 1 CONT
L'avalanche en aérosol : l'aérosol est un nuage d'air et de neige [...] le plus souvent légère et sèche se formant lorsque l'écoulement atteint une certaine vitesse (certains parlent de 60 km/h). L'aérosol se déplace à des vitesses considérables (jusqu'à 350 km/h). C'est l'onde de choc au devant du nuage en mouvement qui cause les effets destructeurs tels qu'on a pu les constater. Une des caractéristiques de l'aérosol, hormis sa vitesse, est sa disposition à ne pas suivre le relief de la pente. Ainsi, l'avalanche en aérosol se joue des creux et des bosses, traverse des zones planes et remonte parfois les versants opposés. 5, record 1, French, - avalanche%20de%20poudreuse
Record number: 1, Textual support number: 2 CONT
Des avalanches de poudreuse se produisent souvent dans ces couloirs raides. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.] 6, record 1, French, - avalanche%20de%20poudreuse
Record number: 1, Textual support number: 1 OBS
avalanche de poudreuse; avalanche de neige poudreuse : termes uniformisés par le Comité d'uniformisation de la terminologie des bulletins d'avalanche. 7, record 1, French, - avalanche%20de%20poudreuse
Record 1, Spanish
Record 1, Textual support, Spanish
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