Cumulus clouds recurrently point out truthful climate. Cumulus clouds are steadily observed on brilliant summer time days.
Cumulus clouds are flat on the backside and billowy above.
They’re shaped by means of a mass of volatile air, most often air warmed on the floor this is emerging. As the nice and cozy air rises from the earth—steadily the air is emerging from a patch of naked floor heated by means of the solar–it cools and the vapor within the emerging air condenses into the visual cumulus cloud.
Call to mind every cumulus cloud as the highest of a column of emerging air.
The flat backside of the cumulus cloud signifies the altitude at which the emerging vapor has cooled to the purpose of condensation. Cumulus clouds recurrently seem at 3,000 to six,000 ft (914-1,828 m) however can shape and upward thrust upper.
Low cumulus clouds float around the sky at the breeze and are steadily fallacious for sheep or wispy crusing ships by means of youngsters. Those billowy white cumulus clouds are extra particularly referred to as cumulus humilis.
No longer all cumulus clouds are white and billowy. On scorching, muggy summer time days, cumulus clouds can change into extra menacing with yellowish tops and black undersides.
When cumulus clouds are compelled prime into the sky by means of very volatile air, they’re referred to as cumulus congestus or towering cumulus clouds. Those clouds resemble the top of a cauliflower.
Cumulus congestus clouds can prolong upward to as prime as 39,000 ft (12,000 m).
When cumulus congestus clouds produce rain they’re referred to as cumulonimbus clouds. Cumulonimbus clouds steadily shape flat, anvil-like tops. Those are referred to as thunderheads and most often carry rain, thunder, and lightning.