Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.
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Polar vortex slams U.S. as snow lingers in the South
Frigid temperatures are keeping snow on the ground in parts of the South as some cities in the North report dangerously low ...
Knoxville is about to get abnormally cold. When and where to find shelter at warming centers
Severely cold winter weather is set to hit Knoxville, prompting warming shelters to open starting the night of Jan. 19.
Louisiana to get cold wave this weekend. Why is the polar vortex to blame?
Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar vortex affects the weather.
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Did the Polar Vortex Cause the US Arctic Blast That Brought Snow to Florida?
Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.
Record-breaking snow triggers flight cancellations, school and business closures in U.S. South
A polar vortex has led to freezing temperatures throughout the U.S., even reaching parts of the Gulf Coast. The snowy weather ...
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Chilly and dry Sunday
A cooling trend will continue through the weekend and into Monday. High and low temps are hovering around 10 degrees below ...
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A polar vortex is set to grip much of the U.S. What does that mean?
These conditions are all thanks to a familiar sounding occurrence: the polar vortex, a large area of low pressure and cold air that surrounds the Earth's poles. The "vortex" is the counterclockwise ...