When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps.

Forbes contributors publish independent expert analyses and insights. Eric Mack is a reporter covering science, sustainability and space. The polar vortex has gone wandering again. The weather ...

Polar Vortex with Frigid Temperatures Nears the U.S. — What to Know. ... 2021 is here — and it's starting off with a bone-chilling bang. In the coming days, ...

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...

The polar vortex is about to split, and a piece of it may be paying a visit to the central and eastern U.S. within the next week or two. Is US safer from guns? Start the day smarter ☀️ Science ...

February 5, 2021 / 6:57 PM EST / CBS News The coldest air yet of the winter season — by far — is on its way south from Canada, as the Polar Vortex vacates its home in the Arctic to pay the U.S ...

What a ‘wrecked’ polar vortex means for winter-starved Americans It’s been an easy winter on the East Coast, but that’s not guaranteed to continue January 19, 2021 More than 4 years ago ...

ROCHESTER, N.Y. (WROC) — The buzzword made famous from an arctic blast in 2015 is making a comeback. The polar vortex, a rotating bubble of cold air around the North Pole, is about to break off ...

The polar vortex is experiencing an unusually long disturbance this year because of a “sudden stratospheric warming.” Bundle up. ... Published Jan. 30, 2021 Updated Feb. 22, 2021.

The upper-level pattern as of the week of Jan. 4-8, 2021, includes a prominent Greenland block, with some upper-ridging extending west into Canada. ... Weaker Polar Vortex.

However, when the polar vortex weakens or even splits, as it's forecast to do later this week, it allows frigid air to escape and push southward toward the U.S., AccuWeather said. The vortex has ...