arctic blast, Polar vortex

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...
When this vortex weakens, it can send frigid air from the Arctic southward, bringing dangerously cold temperatures to mid-latitude regions like the southern United States. In 2021, the polar ...
"This occurs fairly regularly during wintertime and is often associated with large outbreaks of Arctic air in the United States," NWS has said. Like the jet stream, the polar vortex spins around ...
Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...
An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...
With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...