Polar Vortex, Arctic and cold air

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...
Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...
Most of the current cold snap, which swept in a few days ago, should have passed, but temperatures remain dangerously low.
Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...
President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.
The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...