Many people across the United States may recall the polar vortex episode of early 2014. For the Midwest, it turned out to be the coldest winter in over 30 years. In Washington, D.C., January 2014 ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

Many people across the United States may recall the polar vortex episode of early 2014. For the Midwest, it turned out to be the coldest winter in over 30 years. In Washington, January 2014 was ...

Maybe getting up and into work this morning was miserable — it’s a mess, everywhere, thanks to this polar vortex thing — but consider tempering your whining, because these people had a ...

This is due to what meteorologists call the “polar vortex”, a jet stream of extremely cold air that forms and swirls around the Arctic during winter months. Normally, this vortex’s speed ...

Another polar vortex to send temperatures plunging across the U.S. next week. Here's how cold it will get. The latest arctic blast will move into the northern Rockies and northern Plains Saturday ...

However, the potential is there for a headline-grabbing bout of frigid weather that is similar in magnitude to the 2014 "polar vortex" winter event, when Chicago was nicknamed "Chiberia," and sea ...

Original image has been replaced. Credit: Mashable And this is just the first wave of Arctic air associated with a displacement of the dreaded polar vortex. The next polar plunge will take place ...

Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were plunged into an especially bitter deep freeze in January 2014: “polar vortex.” ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

10th polar vortex of the season hits the U.S. Here’s what to know With record snow in New Orleans last month and drought and destructive wildfires in Southern California, this winter has not ...

ABC13 spoke to an NOAA climatologist about the current condition of the polar vortex and where the bitter cold air could linger this winter. What's the polar vortex? Here's when we can forecast ...