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Polar Vortex Collapse Threatens US

This is a US news story, published by MailOnline.

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MailOnline

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Science

Polar vortex collapse set to cause extreme winter weather across US

Summary

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77% Informative

A 'polar vortex collapse' is set to cause extreme winter weather and sub zero temperatures across the US by mid-March .

A polar vortex collapse already took place in February , contributing to a wave of winter storms, particularly in the Midwest and Northeast .

A 'collapse' occurs when the layer between six and 31 miles above the Earth 's surface heats up to 50 degrees in less than two days .

In scientific terms, it's called sudden stratospheric warming, and the event can cause cold Arctic air to bleed south - bringing icy conditions to the US , Canada , the UK , and Europe .

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Informative language

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formal

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English

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not hateful

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not detected

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not detected

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short-lived

External references

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