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There are 10 main cloud types, including the fluffy-looking cumulus clouds seen here. Image: AKARADECH MARK II / Getty Images Get the Popular Science daily newsletter💡 ...

Cumulus clouds can start at any height in the sky. Some begin close to the ground, while others look like tiny puffballs high in the sky. The puffy appearance is the tell-tale sign that a cloud is ...

Cumulus clouds over Lander, Wyo. Ross Lazear, CC BY-ND. However, if the air is particularly warm and humid, and the atmosphere above is much colder, ...

The root words in the name describe the cloud. Cumulus in Latin means a heap, a pile, an accumulation. As in an accumulation of laundry. These are clouds that have that tall, ...

If a cloud were exactly 1 km cubed in volume, there would be enough water molecules inside a cloud to add up to more than 1.1 million pounds. And that’s just water weight.

Cumulus: Detached, bright white, dense clouds and with sharp outlines that develop vertically in the form of rising mounds, domes or towers. The bulging upper parts often resemble a cauliflower.

Join CU Wizards on January 25th when Dr. Katja Friedrich, a physicist who has ventured into the Alps and Rocky Mountains to better understand the physics of clouds, storms and mountainous weather, ...