The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates ...

A major disruption to the Arctic polar vortex has bumped the ring of wind that circles the North Pole off its perch and towards Europe, a new animation shows. The migration could trigger ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

A schematic of temperature measurements shows how it is 40 degrees Celsius colder inside the north polar vortex (indicated by the yellow line) compared to outside the vortex. A rare glimpse into the ...

Polar vortices exist throughout the year at the poles. In the Northern Hemisphere, the polar vortex expands many times over ...

ATLANTA — The Polar Vortex -- a phrase hyped and enlivened through news cycles and social media over the last decade. But in reality, it's always been there and always will be there. The Polar Vortex ...

PORTLAND, Ore. (KOIN) — Portland and the rest of the West is forecast for above-average temperatures next week as an Arctic blast is set to plunge areas of the East Coast, South and Midwest into ...

The Martian polar vortex exhibits significantly lower temperatures (approximately 40°C colder) within its core compared to the surrounding atmosphere, a phenomenon observed through the use of the ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. When you ...