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 ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Warmer-than-normal temperatures in the Gulf of Mexico did not cause the record-setting snowfall, but the conditions may have been an ingredient to the unusual weather.

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

The polar vortex is a large area of low pressure and ... What was the German vehicle attack? Suspect of New Orleans murders searched for it, FBI says IRS sending stimulus checks this month to ...

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

A rare winter storm has turned the South into an unlikely winter wonderland this week, giving cities like New Orleans more ...

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard ...

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, ...