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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 tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...