The polar vortex is a massive, swirling band of cold air that normally traps frigid temperatures around the Arctic. However, recent scientific studies show this vortex is weakening, which could ...

Obviously this isn't the first polar vortex episode of the winter, but it looks to be the most severe." FILE - A person walks along the shore of ice covered Lake Michigan, Feb. 13, 2025, in Chicago.

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The polar vortex is an area of low pressure and cold air circulating around the poles in the stratosphere — a layer in the ...

The dynamics of the stratosphere, particularly the behaviour of the polar vortex, have emerged as a cornerstone in understanding mid‐latitude weather extremes and seasonal climate variability ...