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 upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...