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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

A cloud of irregular appearance, composed of irregular cloud fragments.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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 tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...