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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

A cloud of irregular appearance, composed of irregular cloud fragments.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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 ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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