cumulonimbus

• Nuage dense et élevé associé aux orages et à l'instabilité atmosphérique, provoquant souvent de fortes pluies, des éclairs et de la grêle.

A dense, towering cloud associated with thunderstorms and atmospheric instability, often producing heavy rain, lightning, and hail.

1. Thunderstorm cloudC1formalscientific

   A dense, towering vertical cloud associated with thunderstorms, heavy rain, lightning, and sometimes hail.

   cumulonimbus

   • The cumulonimbus cloud formed rapidly, signaling an approaching storm.
   • Pilots avoid flying through cumulonimbus clouds due to severe turbulence.
   • The sky darkened as a massive cumulonimbus moved overhead.

   Synonymesthundercloud