Texans, beware: A cold front is crashing the New Year’s Eve party, bringing a big drop in temperatures. And just when you think it can’t get worse, a polar vortex is gearing up to make next week even ...

Fall weather in Massachusetts may be in for a cold snap in the next few weeks. The National Weather Service's Climate Prediction Center is forecasting temperature drops throughout the country 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 ...

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 ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...