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

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

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

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

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

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

The jet stream typically acts as a barrier to keep the polar vortex contained near the Arctic, but at times, some of the vortex can break off or move south, bringing unusually cold weather into ...

You’ve probably heard about the Polar Vortex in the news over the past few years and know that it is associated with very ...

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 ...

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