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.

A once-in-a-generation snowstorm, tied to the polar vortex event across the Lower 48 states, was plastering the Gulf Coast with record-setting snow and ice on Tuesday.Why it matters: This region isn't equipped to cope with heavy snow,

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle: Alaska. But 2025 is off to an interesting start as far as the weather is concerned.

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

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

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.

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.

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida, but the forecast is far from a lock.

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 ...

New Orleans went from almost 70 degrees to a record snowstorm within four days. In a few months, hurricane season will start, bringing a new trend of rapidly intensifying storms. Why it matters: The weather whiplash,