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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 ...
Irish Star on MSN4d
Rare polar vortex to plunge millions into freezing temperatures in US this month
A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...
Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...