Cumulus clouds reflect the warm colors of sunset in the sky over Santa Fe, New Mexico. (Photo by Robert Alexander/Getty Images) Even though the entire cloud collectively is quite heavy, it is a ...

Cumulus clouds reflect the warm colors of sunset in the sky over Santa Fe, New Mexico. (Photo by Robert Alexander/Getty Images) Even though the entire cloud collectively is quite heavy, it is a ...

Cumulus clouds reflect the warm colors of sunset in the sky over Santa Fe, New Mexico. (Photo by Robert Alexander/Getty Images) Even though the entire cloud collectively is quite heavy, it is a ...

Develops from cumulus clouds and can reach great heights, often associated with thunderstorms. Indicates severe weather, such as thunderstorms, heavy rain, hail, and sometimes tornadoes.

Cumulus clouds reflect the warm colors of sunset in the sky over Santa Fe, New Mexico. (Photo by Robert Alexander/Getty Images) Even though the entire cloud collectively is quite heavy, it is a ...

The cumulus congestus cloud rises dramatically in the image, casting a dark shadow over the landscape below. Cumulus clouds appear in a wide variety of shapes and sizes, often recognized as the ...