A significant disruption of atmospheric patterns around the Arctic is expected to begin over the next few weeks, which could ...

Get ready for some "sudden stratospheric warming." Here are the regions most likely to have a record-cold December in 2025.

But the country could be in for shockingly cold weather soon as the polar vortex creeps down from the North Pole and across ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.