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 storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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