What is the polar vortex? The polar vortex is a large area of low pressure, cold air around the Earth's poles that blows ...

A polar vortex collapse is expected to bring severe winter weather to Canada and the US mid-month. This event could also ...

Forecasters are now 'confident' of a sudden change in the weather developing this month - meaning a return to snow, ice and ...

Polar Vortex collapse set to send temperatures plunging in the US and Canada - The weather event could unleash extreme winter ...

Heavy snow is expected in a -5C Arctic blast later this month due to a rare polar vortex and weather maps show the areas of ...

Learn more about polar vortex collapse - the weather phenomenon likely to cause cold snap across much of UK in coming weeks ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

At present, it seems that the only places at risk of freezing temperatures, icy rain, or snow, are in north and eastern ...

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 ...

We could see a drop a temperatures again in March due to a sudden stratospheric warming event - here's what it means and what ...

RELATED: Bay Area begins transition from rainy and windy to sunny and cold Scientists say it’s being caused by a misbehaving ...