A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, causing extreme cold in the East. By Eric Niiler If the planet is getting ...

Dangerously cold temperatures combined with wind gusts up to 60 mph were expected to cause life-threatening conditions across parts of the Midwest, mid-Atlantic and Northeast to close out the week, ...

It’s an understatement to say it’s been a very cold winter. And it’s not close to being over. Reviewing our longer-term weather patterns, we are likely in for more freezing days ahead. You can thank a ...

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex. When you purchase through links ...

As the Great Lakes region braces for a predicted near-record cold this weekend, Michiganians are again cursing the dreaded "polar vortex." But what exactly is this meteorological menace? And why is it ...

Winter weather forecasts use specific terms that can be confusing to the general public. The "feels like" temperature and wind chill describe how weather conditions feel to the human body. Bundle up, ...

Winter weather forecasts use specific terms that can be confusing to the general public. The "feels like" temperature and wind chill describe how weather conditions feel to the human body. A winter ...

Bitter cold is expected to move from the north‑central United States into the Northeast by Friday, with the chill possibly pushing south from the southern Plains toward the Mid‑Atlantic, according to ...

As the polar vortex becomes more active, colder air will surge toward central and eastern regions of the U.S. This polar vortex activity will result in fluctuating temperatures, periodic snow and ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...