Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

Daughter polar vortices' could bring snow and ice to parts of northern, central, and eastern United States later this month, ...

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.

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

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

While jet streams are air patterns, the Gulf Stream is an ocean pattern that also has an impact on weather.

The plunging polar vortex brought subfreezing temperatures Tuesday to some ... Brian Witte in Annapolis, Maryland, Julie Walker in New York; Joshua A. Bickel in Cincinnati; Jamie Stengle in Dallas; ...

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, ...

The National Weather Service said 7 to 8 inches of snow had been reported in areas between New Orleans and Baton Rouge ...

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