polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term “vortex” refers to the counter-clockwise flow of air that helps keep the colder air near the Poles.

How is polar vertex formed

Polar vortex is the name given to the strong currents of wind formed by low pressure that occurs in the Arctic and Antarctic regions. The name originates from the fact that these winds circulate and form a vortex near the North and South Poles of the planet

Why do scientists fear polar vertex

When the vortex weakens, shifts, or breaks down, the upheaval is often mirrored in the polar jet stream below. Disruptions of the vortex often lead to cold air outbreaks in the mid-latitudes. Computer models don’t agree on how global warming will affect the polar vortex

Why is polar vertex bad

The polar vortex is an area of low pressure—a wide expanse of swirling cold air—that is parked in polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward. This happens fairly often and can be associated with outbreaks of cold temperatures in the United States

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