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

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

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

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

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 ...

After Feb dumped a wave of unconditionally severe winter weather in the US, March is about to unleash those conditions again ...

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

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...

The Met Office says there is an 80 per cent chance of sudden stratospheric warming in March, which could bring severe and ...