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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

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

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....