Why Polar Vortexes Are Becoming More Common Understanding the Polar Vortex The polar vortex is like a massive whirlpool of ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

all that icy air stays tightly locked around the arctic, keeping the freezing temperatures up north. But just like when a top starts to slow down and wobble, the polar vortex can sometimes get out ...

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...

Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...

When this stratospheric vortex becomes disrupted or stretched, it can distort the jet stream as well, pushing it southward in some areas and causing cold air outbreaks. The Arctic polar vortex is ...

The polar vortex is an enormous ring of powerful winds spinning above the North Pole. It normally circles the Arctic and it typically stays contained by a strong jet stream, but when this ring of ...

Up next: another visit from the polar vortex. An Arctic air mass plunges into the Lower 48 next week. This brings the potential for multiple nights with subzero wind chills in the Ohio Valley.

This rush of cold air is not directly caused by the actual polar vortex releasing and stretching south into the Lower 48, but the vortex is playing a role in the Arctic air that’s on the way.

This setup is driving the East Pacific Oscillation ... However, as the polar vortex stretches in the coming week, it will ...