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 condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

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

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

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

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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