A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful ...

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful ...

GRAND RAPIDS, Mich. (WOOD) — Bitterly cold conditions can be a result of more than one thing, and in the case of January’s deep freeze, the blame shouldn’t rest on the polar vortex. The polar vortex ...

Add Yahoo as a preferred source to see more of our stories on Google. The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places — as a polar ...

The wall that keeps cold air contained in the Arctic is called the polar vortex. There's been a "displacement" in the polar vortex, which allows Arctic air to escape to the south. An "arctic frontal ...

A strong polar vortex and 'super' El Niño are developing, leaving experts split on how they could Tennessee winter.

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...