Arctic blast grips North America

The polar vortex that brought record low temperatures to the U.S. and Canada earlier this year is affecting weather conditions again, bringing an outbreak of Arctic air likely to last for days
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Polar Vortex: Persistent, large-scale cyclone that circles North Pole knocked further south by remnants of Typhoon Nuri

Jet stream: Pushed south

ALASKA

Warm and dry

CANADA -10°C

UNITED STATES -5°C

5°C

MEXICO

Tuesday

Wednesday 

Thursday 
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Sources: accuweather.com, Google Earth, wire agencies

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