A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

Related: Bizarre polar vortex over Antarctica delayed ozone hole opening, scientists say The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole.

A major disruption headed for the Arctic polar vortex A sudden stratospheric warming event changed the winds The vortex is now pointing toward Europe instead of the ...

A polar vortex is a large area of low-pressure and cold air that circulates around the Earth’s poles, typically confined to the Arctic or Antarctic regions. This swirling mass of frigid air is ...

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

The polar vortex is a band of strong west-to-east winds that form in the stratosphere between about 10 and 30 miles above the North Pole every winter, the National Oceanic and Atmospheric ...

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The polar vortex slid toward Europe in recent weeks, ushering in cooler temperatures to portions of Canada A significant disruption to the polar vortex over far Northern Canada will keep the ...

As the polar vortex fades, temperatures in Northern Europe, portions of Asia, and the eastern United States will be below average. Temperatures for the last week of March were pretty normal across ...

As the polar vortex fades, temperatures in Northern Europe, portions of Asia, and the eastern United States will be below average. Temperatures for the last week of March were pretty normal across ...