Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

“The polar vortex will spin across northeast Canada, but a lobe of frigid air from Siberia will swing south on the western side of this vortex and bring the coldest daytime highs we’ve seen in ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.s. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not ...

Photo Credit: AL DRAGO Massive disruption in winter weather engineered by a ‘polar vortex’ will pump a blast of frigid air into eastern parts of the US, rendering Donald Trump’s second ...

But despite the bitter cold, this weather event is not a polar vortex. "This is not so much ... When wind sweeps down the east side of the mountains, the air warms creating warmer-than-average ...