Why Is It So Cold in the South If the Planet Is Warming? Here’s What We Know.
A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...
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 ...
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
WKRN-TV8d
Historic Deep South snow: The science behind it
This was all happening because the polar jet stream was stuck over the Gulf Coast, being forced thousands of miles south of its normal location by a displaced Polar Vortex. That Polar Vortex ...
Boston Herald23d
What’s behind the polar vortex plunge that’s chilling the nation?
It gets stretched out.” When the polar vortex stretches it can either bring that cold air south to the United States or toward Asia, said Cohen, an expert in winter weather. Other times ...
Hosted on MSN23d
Polar Vortex And Polar Jet Stream: What's Behind The Freezing Weather In The US?
The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in Antarctica – but for this story, we’ll be focusing on the one ...
High pressure and polar air: The science behind our shivering cold snaps
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...