The ‘polar vortex’ caused a lot of misery in the United States. The harsh weather has been at least seven human lives. The weather services are warning that the worse may be.

The hardest hit region is the midwest of the USA, where the temperatures under heavy zero diving. So, today is the day a whopping -29 degrees in Minneapolis and in Chicago. In some places its measured temperatures of minus 41 degrees. There are also heavy showers. In Wisconsin is 60 inches of snow expected, in Illinois 15 inches.