A cold front will bring plunging temperatures and snow to the Northeast this week. Polar vortex disruptions, caused by Sudden Stratospheric Warming, drive extreme cold southward. Officials advise ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

Dangerously cold temperatures combined with wind gusts up to 60 mph are expected to cause life-threatening conditions across parts of the Midwest, Mid-Atlantic and Northeast to close out the week, ...

CHICOPEE, Mass. (WWLP) – Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, a natural atmospheric phenomenon responsible for recent waves of intense ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later this week ...

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly two dozen states. Forecasts predict the storm will plunge Texas into a deep ...

Dangerously cold temperatures combined with wind gusts up to 60 mph were expected to cause life-threatening conditions across parts of the Midwest, mid-Atlantic and Northeast to close out the week, ...