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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...