Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

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

A cold wave will hit Madison County IL, St Louis MO and much of the Midwest, and a weather expert explains why global warming ...

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

Investigators found bird feathers and blood in both engines of the Jeju Air jet that crashed in South Korea last month, ...

As more Arctic air masses flow into the WOWK-TV region, you have undoubtedly heard the term “Polar Vortex” brought up in the ...

Turbulence in flights is primarily caused by mountains, storms, or jet stream currents, with the Andes and Himalayas being ...

Turbulence on flights is usually caused by mountains, storms or powerful jet stream currents, so it’s not surprising ... The Andes in South America and the Himalayas in Asia are a recurring factor in ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

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What’s happening is the jet stream — that usually west-to-east ... bring that cold air south to the United States or toward Asia, said Cohen, an expert in winter weather.