The wave of polar frost has caused more than twenty deaths in the United States

The wave of polar frost this affects part of the impact of the United States for its brutality along the central West, where at least 21 people have lost their lives. That is to say, to date, nearly 216 million people have lived with temperatures below freezing, a historic record and many relate to global warming.

The temperature fell in Chicago to minus 27 degrees Fahrenheit, with a thermal sensation of 32 degrees below zero. The situation in Minneapolis was worse, with -28F with a thermal sensation of 49F under zero, while Detroit was at 9F under zero with a thermal sensation of -35F. All Catholic registers for the daily lives of thousands of Americans.

The intense cold wave caused by the division of the polar vortex that pushed south to the south, forced the closure of schools and businesses and the cancellation of more than 1,600 flights from Chicago airports. They are also credited with at least 15 deaths, according to data collected by AP.

Now, the snow will begin to melt due to the change in temperature, but experts say that this process could be done in record time, which will surely cause other problems, although not related to the cold.