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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

An instrument for measuring atmospheric pressure.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...