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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....