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North America Arctic blast arrives in the east

media captionABC News reporter Ryan Owens: "Indianapolis is essentially a ghost town"

A brutal blast of Arctic air has settled over eastern North America, bringing dangerously low temperatures not seen in decades.

About half of the US population has been placed under a wind chill warning or cold weather advisory.

In Toronto, the temperature dropped to -24C (-11F) before dawn on Tuesday.

Air, rail and road travel remain snarled by high, freezing wind, and residents have been warned to stay indoors to avoid frostbite.

Cold air broke records in Chicago on Monday, where the temperature of -16F (-27C) was the lowest ever seen on that date.

It was one of more than 120 daily temperature records broken in cities across the US since the beginning of 2014, many dating back decades.

Sharp temperature drop

media captionPeople in Chicago on how they are coping with the extreme weather

The arrival late on Monday of the arctic weather pattern caused temperatures to plummet overnight in New York and Washington DC by as much as 45 degrees in a matter of hours, from unseasonably warm highs a day earlier.

New York Governor Andrew Cuomo closed parts of major highways across his state in preparation for the extreme weather.

Adding to the misery, forecasters say the areas on the eastern shores of the Great Lakes could again be blanketed by snow, as the cold air moved over the water.

In Canada, 4,000 residents of Quebec and 1,000 in Newfoundland were still without power on Tuesday amid the freezing temperatures and snow.

The polar blast was threatening crops and livestock across the American farm belt, even in the usually temperate Deep South. The freeze was expected to reach as far south as Texas and central Florida, the National Weather Service said.

Meteorologists said some 187 million people in all would feel the effects of the cold by Tuesday.

Transport trouble

The temperatures have been widely blamed on a shift in the weather pattern known as the "polar vortex".

media captionWhat can you wear to help cope with extreme cold weather?

On Tuesday, the extreme weather caused the cancellation of 2,500 flights, along with widespread road and rail delays.

JetBlue Airways operations, which had been suspended at airports in Boston and around New York City, were returning to normal.

More than 500 passengers on their way to Chicago were stuck overnight in northern Illinois on three Amtrak passenger trains after drifting snow and ice covered the tracks.

And in Indianapolis, Indiana, it has temporarily been made illegal to drive except in an emergency or to seek shelter, in order to keep the roads free for emergency vehicles.

Cold temperatures reached deep into the US south-east.

The weather has been blamed for at least 16 deaths in recent days, including:

  • A one-year-old boy in Missouri who was killed in a car collision with a snowplough
  • A worker at a Philadelphia salt storage facility who died when a 100-ft (30-m) pile of road salt collapsed on him
  • Four men across Illinois who suffered fatal heart attacks while shovelling snow

The state of Minnesota and the city of Chicago, Illinois, have ordered all schools closed.

It was so cold that even the polar bear at Chicago's Lincoln Park Zoo was kept indoors, CNN reports.

In Kentucky, an inmate who escaped a minimum security prison turned himself in to get out of the cold, the Associated Press reported.

Some relief was in sight in the Midwest, as the cold air pattern moved eastward, the National Weather Service said.

image copyrightReuters
image captionA pedestrian walks past a mural depicting a winter scene in Montreal, Quebec
image copyrightReuters
image captionA man warms himself before a fire in Indianapolis, Indiana
image copyrightGetty Images
image captionPassengers wait for a train in below-zero temperatures in Chicago, Illinois
image copyrightAP
image captionA frozen bicycle in downtown Chicago on Tuesday
image copyrightAP
image captionA salesmen digs out cars at a dealership in Indianapolis, Indiana

Related Topics

  • United States

More on this story

  • Polar vortex: How to survive extreme cold

  • What is a polar vortex?

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