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 cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

Snow totals were rivalling all-time records. Officials were urging residents to take precautions and stay off roads.

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to escape the frigid air this January?” what would you say?

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late Monday into Tuesday. The event comes as an Arctic blast affects more than half the U.

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, bringing an estimated five inches of snow to areas in Alabama, Mississippi, Louisiana and Texas.

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen before.

An urgent warning has been issued for 235 million Americans as a 'life-threatening' polar vortex will drop ... and Galveston in Texas as well as New Orleans and Alexandria in Louisiana.

A rare winter storm has turned the South into an unlikely winter wonderland this week, giving cities like New Orleans more snow in a day than Salt Lake City has received all season.

1 inch in New Orleans and 3.5 inches in Mandeville. The cold temperatures are coming from a not uncommon expansion in the polar vortex, which are counter-clockwise rotating air currents that ...

Tearful former New Jersey Sen. Bob Menendez sentenced to 11 years for brazen bribery scheme Former Democratic New Jersey Sen. Bob Menendez was sentenced for a brazen bribery scheme that saw him ...