A week-long, polar vortex-related Arctic outbreak rivaling any seen so far this winter is slated to bring frigid conditions ...

The polar vortex hasn’t just been discovered; it has been around for as long as Earth has had an atmosphere. It’s a cold, swirling whirlpool of low pressure surrounding both o ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

It’s cold, it’s icy and it’s dreaded by Canadians across the country. It’s the polar vortex. Weather specialist Riley Laychuk breaks down what the polar vortex is and why it might not be as scary as ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere. As the Arctic continues ...