It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?

A polar vortex moving across the eastern half of the ... and freezing conditions setting in as far south as the Gulf Coast and even into Florida — though it is still too early to forecast ...

As the cold front moved southward Tuesday, it prompted a cold weather advisory for the Gulf Coast and pushed temperatures ...

WE’LL BE WATCHING FOR A LITTLE BIT OF SNOW TOO, SO WE’LL A weakening of the polar vortex could lead to a prolonged period of intense cold for parts of the United States during the first half ...

A blast of Arctic air is chilling the eastern United States as a polar vortex moves southward. Sub-zero temperatures gripped ...

The expanding of the polar vortex – an area of cold air around the Arctic – southwards is causing cold spells in the US.

I didn’t want to kill myself or anyone else,” he said.The polar vortex of ultra-cold air usually ... will take effect early Tuesday across the Gulf Coast. In Texas’ capital of Austin and ...

A frigid start to the year has been forecast for New Yorkers, with the polar vortex set to push icy air throughout much of the U.S. in January. What Is The Polar Vortex? The Arctic polar vortex is ...