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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....