A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

Millions of Americans were hit with blustery blizzards last month when a polar vortex collapse ushered in below freezing temperatures across much of North America ...

The polar vortex that has dealt the most brutal winter to much of the US in recent years is about to be broken down – but not before unleashing a late-season cold and the biggest yet.

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February. This weather phenomenon is expected to bring more winter ...

An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March A polar vortex collapse can cause cold snaps, and one is ...

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological switch-up is set to develop by the middle of the month and ...