THANKS;Joanna Walters in New York
Tuesday 7 January 2014 23.15 GMT
• Rare nationwide chill will persist for at least another day
• Cutting winds and blizzards posing the most danger
At least six deaths have been reported across the country due to the polar air mass sweeping over North America, producing the coldest temperatures in two decades
Temperatures in all 50 US states dipped below freezing on Tuesday in a rare nationwide chill that will keep a grip on much of the country for at least another day, with cutting winds and blizzards posing the most danger.
Florida, a state that normally basks in its reputation as a warm winter escape, experienced unusually low temperatures. In the midwest, northeast and eastern Canada, it was dangerous to venture outside. At some point on Tuesday, at least one location in each of the 50 US states recorded temperatures below freezing…
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