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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

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

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

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...