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About:Tropical cyclogenesis

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Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere. The mechanisms through which tropical cyclogenesis occurs are distinctly different from those through which temperate cyclogenesis occurs. Tropical cyclogenesis involves the development of a warm-core cyclone, due to significant convection in a favorable atmospheric environment.

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  • La cyclogénèse tropicale est le terme technique décrivant le développement des cyclones tropicaux dans l'atmosphère terrestre. Le mécanisme emprunté par ces systèmes pour leur formation est très différent de celui de la cyclogénèse des dépressions des latitudes moyennes. En effet, il est dû à la convection profonde dans un environnement favorable d'une masse d'air homogène. Son cœur est chaud car il est le lieu d'une subsidence d'air sec (l'œil). En moyenne, on note 86 cyclones tropicaux annuellement à travers le monde, dont 47 atteignent le niveau d'ouragans/typhons et 20 celui de cyclones tropicaux majeurs (niveau 3 de l'échelle de Saffir-Simpson). (fr)
  • Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere. The mechanisms through which tropical cyclogenesis occurs are distinctly different from those through which temperate cyclogenesis occurs. Tropical cyclogenesis involves the development of a warm-core cyclone, due to significant convection in a favorable atmospheric environment. Tropical cyclogenesis requires six main factors: sufficiently warm sea surface temperatures (at least 26.5 °C (79.7 °F)), atmospheric instability, high humidity in the lower to middle levels of the troposphere, enough Coriolis force to develop a low-pressure center, a pre-existing low-level focus or disturbance, and low vertical wind shear. Tropical cyclones tend to develop during the summer, but have been noted in nearly every month in most basins. Climate cycles such as ENSO and the Madden–Julian oscillation modulate the timing and frequency of tropical cyclone development. There is a limit on tropical cyclone intensity which is strongly related to the water temperatures along its path. An average of 86 tropical cyclones of tropical storm intensity form annually worldwide. Of those, 47 reach strength higher than 74 mph (119 km/h), and 20 become intense tropical cyclones (at least Category 3 intensity on the Saffir–Simpson scale). (en)
  • Cyklogeneza tropikalna - opisuje powstawanie i zmiany w intensywności cyklonów tropikalnych lub tajfunów i jest związana z układami konwekcyjnymi o tzw. ciepłym rdzeniu. Cyklogeneza tropikalna zależy od kilku warunków: dostatecznie wysokiej temperatury oceanu, niestabilnej atmosfery, wilgotności w średnich warstwach atmosfery, dostatecznej siły Coriolisa, zaburzenia ciśnienia w wysokich warstwach atmosfery, i umiarkowanego ścięcia wiatru. (pl)
  • Ciclogênese tropical é um termo técnico que descreve o desenvolvimento e fortalecimento de um ciclone tropical na atmosfera. Os mecanismos pelos quais ocorrem as ciclogêneses tropicais são claramente diferentes das ciclogêneses que ocorrem nas latitudes médias. A ciclogênese tropical envolve o desenvolvimento de um ciclone de núcleo quente, devido à convecção significativa num ambiente atmosférico favorável. Formam-se anualmente, em média, 86 ciclones tropicais com intensidade de tempestades tropicais, sendo que 47 alcançam a força de um furacão/tufão, e 20 se tornam ciclones tropicais intensos (no mínimo uma categoria 3 na Escala de Furacões de Saffir-Simpson). (pt)
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  • Cyklogeneza tropikalna - opisuje powstawanie i zmiany w intensywności cyklonów tropikalnych lub tajfunów i jest związana z układami konwekcyjnymi o tzw. ciepłym rdzeniu. Cyklogeneza tropikalna zależy od kilku warunków: dostatecznie wysokiej temperatury oceanu, niestabilnej atmosfery, wilgotności w średnich warstwach atmosfery, dostatecznej siły Coriolisa, zaburzenia ciśnienia w wysokich warstwach atmosfery, i umiarkowanego ścięcia wiatru. (pl)
  • Ciclogênese tropical é um termo técnico que descreve o desenvolvimento e fortalecimento de um ciclone tropical na atmosfera. Os mecanismos pelos quais ocorrem as ciclogêneses tropicais são claramente diferentes das ciclogêneses que ocorrem nas latitudes médias. A ciclogênese tropical envolve o desenvolvimento de um ciclone de núcleo quente, devido à convecção significativa num ambiente atmosférico favorável. Formam-se anualmente, em média, 86 ciclones tropicais com intensidade de tempestades tropicais, sendo que 47 alcançam a força de um furacão/tufão, e 20 se tornam ciclones tropicais intensos (no mínimo uma categoria 3 na Escala de Furacões de Saffir-Simpson). (pt)
  • La cyclogénèse tropicale est le terme technique décrivant le développement des cyclones tropicaux dans l'atmosphère terrestre. Le mécanisme emprunté par ces systèmes pour leur formation est très différent de celui de la cyclogénèse des dépressions des latitudes moyennes. En effet, il est dû à la convection profonde dans un environnement favorable d'une masse d'air homogène. Son cœur est chaud car il est le lieu d'une subsidence d'air sec (l'œil). (fr)
  • Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere. The mechanisms through which tropical cyclogenesis occurs are distinctly different from those through which temperate cyclogenesis occurs. Tropical cyclogenesis involves the development of a warm-core cyclone, due to significant convection in a favorable atmospheric environment. (en)
rdfs:label
  • Cyclogénèse tropicale (fr)
  • Cyklogeneza tropikalna (pl)
  • Tropical cyclogenesis (en)
  • Ciclogênese tropical (pt)
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