All cumulus clouds develop because of convection. As air heated at the surface is lifted, it cools and water vapour condenses to produce the cloud. ... Along coastlines, cumulus may form over land during daylight hours as a sea breeze brings in moist air, which is then warmed by the surface.

How are cumulus clouds formed quizlet?

WATER vapor condenses to form clouds. if the temperature around the clouds is above freezing, the vapor changes to liquid droplets. sleet is made of frozen raindrops. hail form during some thunderstorms.

What are cumulus cloud made of?

Cumulus clouds can be composed of ice crystals, water droplets, supercooled water droplets, or a mixture of them. The water droplets form when water vapor condenses on the nuclei, and they may then coalesce into larger and larger droplets.