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What is Arctic Air?

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

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Glossary

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...