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 ...
Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
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 ...