The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

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

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

A late cold snap could affect the UK, due to a polar vortex collapse that is likely to cause extreme winter conditions across ...

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

A polar vortex collapse is set to unleash harsh winter-like conditions across North America. A polar vortex is a large ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

After a weekend of blue skies and warm sunshine, the coming week is going to be quite the shock to the system. | ITV National News ...

"The stratosphere polar vortex is now weakening rapidly," it added. The polar vortex is a circulation of fast-moving winds ...