A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

The most predictable is seasonal. In the spring, jet streams move towards a polar vortex, helping to contain cold air in the polar regions. In the fall, they move towards the equator and bring ...

The polar vortex is expected to remain on the Canadian side of the North Pole, which will keep an abundant supply of Arctic ...

Brits could face several inches of snow in the coming days according to shocking new weather maps, with forecasters also ...

So, that's why jet streams are important.” The polar jet stream and polar vortex are two rings of fast-moving air around the Arctic, which play a large role in world weather patterns ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

The polar vortex is a swirling mass of cold air located over the polar regions. Every few years or so, a dip in the jet stream allows this cold air to sink into the U.S. The last few visits from ...