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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

A large body of air having similar horizontal temperature and moisture characteristics.

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...