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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...