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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.