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Polar Vortex 2025 News. The polar vortex circles above the arctic in a higher layer of atmosphere, known as the stratosphere, between 10 to 30 miles above the surface. The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of americans.

The extreme cold is linked to the polar vortex — a massive, rotating pocket of frigid air around the north and south poles. It spins counterclockwise in the northern hemisphere.