What is the polar vortex, and how does it affect our weather?

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

What is the polar vortex? Why it could open the door for significant winter weather in Massachusetts.

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

Three Myths The Public Gets Wrong About The Polar Vortex

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

Uh oh. The dreaded polar vortex may be making an appearance very soon

Once every two years there is a disruption of the polar vortex. So you get very strong warming like tens of degrees Celsius in a few days, which is associated with a breakup or stretching or ...

The Polar Vortex Will Weaken Much Earlier Than Usual; Here's What That Could Mean In December

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

A polar vortex disruption is on the way, and its magnitude is almost unheard of in November

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

Polar vortex? Chance of arctic air coming to Long Island next week a 'flip of the coin,' forecasters say

The cold temperatures — which might not reach Long Island — would be caused by a disruption in the polar vortex above the ...

Major winter blast expected in US? Polar vortex pattern shift shift signals sudden weather change - What to expect?

Although a major winter outbreak is not guaranteed, forecasters are watching for below-average temperatures to develop in the ...