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MESOCYCLONE [1 record]

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Record 1 1995-02-01

English

Subject field(s)
  • Atmospheric Physics
DEF

A rotating thunderstorm updraft that may give rise to a tornado. Scientific American, April 1984.

CONT

The Doppler radars at King City and Carvel have gust front and microburst (applies only to the immediate 40 km from the radar) algorithms, in addition to the mesocyclone algorithm, which are helpful for real time diagnosis of radial velocity imagery.

French

Domaine(s)
  • Physique de l'atmosphère
DEF

circulation cyclonique [...] à l'échelle d'un orage.

CONT

Les valeurs de vorticité cyclonique et anticyclonique atteignent leurs maximums en moyenne ou haute troposphère, au niveau de plus forte vitesse verticale où la convergence s'annule. Le poids des précipitations formées à partir des gouttelettes de nuage diminue bientôt l'intensité des mouvements verticaux au centre du courant ascendant, il va alors se séparer en deux parties : celle située sur la droite par rapport au déplacement emporte une circulation cyclonique appelée mésocyclone, celle sur la gauche une circulation anticyclonique, le mésoanticyclone.

Spanish

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