Polar Vortex collapse set to send temperatures plunging in the US and Canada - The weather event could unleash extreme winter ...

After Feb dumped a wave of unconditionally severe winter weather in the US, March is about to unleash those conditions again ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

Not only in the Gulf coast region, but across much of the United States. This shift is due to yet another dip in the polar vortex, which is ushering in much colder air this week. But what exactly ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said. This is quite late ...