clear-air turbulence   (TTS Sound)

The clear-air_turbulence has 1 Senses.

• clear-air turbulence
• 晴天乱気流
• strong turbulence in an otherwise cloudless region that subjects aircraft to violent updrafts or downdrafts
• 飛行機を激しい上昇気流または下降気流に巻き込む、別の雲のない領域で起きる強乱流