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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

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

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

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

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

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