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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

An instrument for measuring atmospheric pressure.