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What is Arctic High?

A very cold high pressure that originates over the Arctic Ocean.

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Glossary

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A large body of air having similar horizontal temperature and moisture characteristics.

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

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