A meteorologist is warning Ontarians to prepare, as an extreme atmospheric warming event will be bringing severely cold ...

An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the ...

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.

As the UK goes through a cold snap this week - forecasters have suggested that more Arctic air could be brought to Britain ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

The "polar vortex" talk becomes really popular each year. It usually doesn't surface until winter. Still, this season, the eastern U.S. is getting a shot of frigid air as this infamous polar vortex ...

A high-pressure system in the Arctic could push frigid air south starting in mid-December, raising hopes for a white ...

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

WASHINGTON (AP) — It might seem counterintuitive, but the dreaded polar vortex is bringing its icy grip to the Midwest thanks to a sudden blast of warm air in the Arctic. Get used to it. The polar ...

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many parts of ...

The "polar vortex" talk becomes really popular each year. It usually doesn't start to surface until the winter season, but this season the eastern U.S. is getting a shot of frigid air as this infamous ...