Year-round, severe, artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

Prepare for a return of frigid weather in March—and April. Editor at Large You could be forgiven for not noticing that last month was the planet's third warmest February on record. That’s because ...

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

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

The polar vortex has only recently entered the popular lexicon as something to fear or shiver at each winter: But what is it? Is it a storm that's heading south from the Arctic or perhaps a new ...

Move over, haboob. See you next summer, heat dome. The weather phenomenon hogging all the attention now is "polar vortex." Twenty-six states are under wind-chill warnings or watches, and the polar ...

Forecasters say millions of people in the Midwest and Great Lakes will see record-shattering wind chills from 40 to 65 degrees below zero this week — cold so extreme it could cause frostbite on ...

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