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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.