[:ja]サハラ砂漠にぽつんと浮いた2つの雲。どのように形成されたのでしょうか…?

雲が形成されるには、空気中にある海水のしぶきからできた塩の小さな粒や火山の噴煙、工場からの煤煙などの雲のタネ(核)が必要です。これに水蒸気が付着し、次第に大きくなって水の粒となり雲が出来るのですが、この場所もなんらかの理由で雲が形成されたはずです。
ウェブ地球儀で地球俯瞰画像を見る: LiVEARTH
[Earthview Wonders] No.64: Clouds over Shara Desert
Two small clouds over Sahara Desert. How were they formed..?

Clouds are formed when water vapor attaches to particles such as salt grains, volcanic smoke and factory smoke. It must hold so for these two clouds and the location.
See earthview photo gallery with web-globe: LiVEARTH[:en][Earthview Wonders] No.64: Clouds over Shara Desert
Two small clouds over Sahara Desert. How were they formed..?

Clouds are formed when water vapor attaches to particles such as salt grains, volcanic smoke and factory smoke. It must hold so for these two clouds and the location.
See earthview photo gallery with web-globe: LiVEARTH[:]