Cumulus clouds form when warm air rises, expands, and cools. Cumulus clouds are masses of puffy white clouds that usually have thunderstorms following them. Cumulus clouds are one of the 3 types of...
Cumulus clouds are puffy. They have flat bottoms and are low in the sky. Cumulus clouds usually mean fair weather. Cumulus clouds are a type of cloud with noticeable vertical development and clearly...
Cumulus clouds are the common clouds that look like puffy balls of cotton, and may be well-defined within open sky. In unstable air, they can become very tall and may lead to the formation of...