Dark blue cloudy sky

What is Cumulus?

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds under the right conditions.

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Glossary

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...