Fear for life as US braces for 50C ‘polar vortex’

an 5, 2014
Icy air and gusting winds are expected to bring temperatures down as low as -50C in parts of the US with forecasters warning the Arctic grip could be life threatening.

The “polar vortex” – a rotating pool of cold, dense air – has brought the coldest weather in 20 years to the Mid-West.

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