A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...
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Daily Express US on MSNPolar vortex collapse set to bring bone-chilling cold and disrupt US and Canada travelA polar vortex collapse is set to bring freezing cold temperatures and travel chaos to large parts of the US and Canada in ...
A polar vortex collapse could bring extreme cold and travel disruptions to North America and Europe in mid-March. Follow Newsweek's live blog.
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