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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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A large body of air having similar horizontal temperature and moisture characteristics.

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