Dark blue cloudy sky

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...