Dark blue cloudy sky

What is Arctic Air?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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Glossary

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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 formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

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