Dark blue cloudy sky

What is Arctic High?

A very cold high pressure that originates over the Arctic Ocean.

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Glossary

Snow that rises to 8 feet or higher.

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

An instrument for measuring atmospheric pressure.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.