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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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...