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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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

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

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.