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 small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

A type of cloud consisting mostly of small particles such as ice particles.

A cloud of irregular appearance, composed of irregular cloud fragments.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.