Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

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

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

When Virgin Atlantic Flight 10 took off from New York’s JFK International Airport this week, it was running 1 hour 13 minutes ...

WASHINGTON — We are in the middle of a blast of extreme cold weather in D.C. The polar vortex has shifted, spilling cold air ...

polar air comes south sometimes where the polar jet stream wanders. As they describe it, the polar vortex circles the north ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

Scientists are scrambling to understand how climate change may be interfering with the winds that carry our weather, with ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...