Dark blue cloudy sky

What is Saturation?

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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Glossary

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

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

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

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....