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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...