But recent trends cannot be explained by the Arctic Oscillation alone. “During this time period in December 2017 and early January 2018, the AO was positive,” Cohen told CNN.

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

SAN FRANCISCO — Brrrrrrr! That might be the sound on the lips of everyone in the eastern United States, if a new weather prediction model's forecast for a cold winter proves accurate.

HOUSTON, Dec. 13-- The Atmospheric and Environmental Research Inc. has predicted colder than average weather for the eastern US from December through February. The forecast from AER, Lexington ...

The Arctic Oscillation is expected to be in a negative phase next week, which would allow cold air from the North Pole to spill southward. To stream 3NEWS on your phone, you need the 3NEWS app ...

A flip-flopping, yearslong pattern of winds helps control the fate of the Arctic’s sea ice — by regulating how much of the Atlantic Ocean’s relatively warm, salty water sneaks northward into ...

Will it snow in East Tennessee this winter? WATE's Ken Weathers looks at what's expected in December, January and February and how La Niña and Arctic Oscillation impact the forecast.

Will it snow in East Tennessee this winter? WATE’s Ken Weathers looks at what’s expected in December, January and February and how La Niña and Arctic Oscillation impact the forecast.

A study released last week ties extreme winter weather, specifically major snowstorms in the northeastern U.S., to warming Arctic temperatures. Skip to content NOWCAST WLWT News 5 at 11:00 ...