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altostratus cloud

/ˈæltoʊˌstreɪtəs klaʊd/

Traduction: Nuage de l'étage moyen formant un voile ou une couche grisâtre ou bleu-grisâtre couvrant souvent tout le ciel, pouvant donner de faibles précipitations ou annoncer l'approche d'un front chaud.

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phrase

/ˈæltoʊˌstreɪtəs klaʊd/C1formalscientific
  • frNuage de l'étage moyen formant un voile ou une couche grisâtre ou bleu-grisâtre couvrant souvent tout le ciel, pouvant donner de faibles précipitations ou annoncer l'approche d'un front chaud.

A mid-level cloud formation characterized by a gray or blue-gray sheet or layer, often covering the entire sky and typically producing light precipitation or indicating an approaching warm front.

  1. Mid-level cloud typeC1formal

    A type of cloud that forms at middle altitudes, typically between 2,000 and 7,000 meters, appearing as a gray or blue-gray sheet covering the sky.

    fraltostratus

    • The sky was covered by an altostratus cloud, blocking the sun.
    • Altostratus clouds often precede a warm front and light rain.
    • Pilots watch for altostratus clouds as they can indicate changing weather.