A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...

A polar vortex is bringing colder air to parts of the U.S. But how much will Alabama be impacted as December begins? Here’s ...

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even ...

A chilling forecast looms over the East Coast, with a polar vortex promising a hellish winter storm next week.

Polar air is descending over Canada dropping temperatures nation-wide. The Weather Network's meteorologist Laura Power has ...