The Mirror US on MSN1h
Forecasters give their verdict as millions of Americans brace for rare polar vortex and savage snow storm
Experts have shared their insights on the 'complex' weather phenomenon amid fears it could leave vast swathes of the country ...
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Rare polar vortex split to freeze millions of Americans - chilling path of severe weather event mapped
Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...