The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the United States into bitter, prolonged cold. Forecasters are tracking a polar ...

Multiple states registered subzero temps on Friday, Dec. 5. The polar vortex has broken, and severe temperatures are dominating even in southern sates like Texas, which saw record breaking lows in the ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...