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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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 very cold high pressure that originates over the Arctic Ocean.

Snow that rises to 8 feet or higher.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

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