What is Polar Vortex?

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs in both the stratosphere and troposphere at high latitudes, close to the poles. It is formed by the rotation of cold, dense air.

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Glossary

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A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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