“Arctic cold” grips midwestern usa

U.S. Midwest hit by cold snap with sudpole temperatures. The national weather service (NWS) warned of "life-threatening" conditions. CNN meteorologist dave hennen said chicago will be "the epicenter of the extreme cold".

People in the metropolis of millions in the state of illinois had to brace themselves for temperatures of minus 33 degrees celsius on thursday – colder than in parts of antarctica, they say. CNN reported that temperatures in the region had already dropped below minus 17 degrees celsius on wednesday.

On tuesday and wednesday, more than 2700 flights were canceled according to the report. The amtrak rail company canceled all train service to and from chicago on wednesday. Mail is not being delivered in several states, it hailed. A similar freezing cold of minus 17 degrees and below was experienced by 83 million americans or 25 percent of the population by monday.

NWS warned of frostbite on unprotected skin within minutes. Responsible for this "arctic cold" is the so-called polar vortex – a band of cold westerly winds that normally circles over the north pole. If the vortex is weakened, the air can escape to lower widths. The midwestern united states is paid illinois, indiana, iowa, kansas, michigan, minnesota, missouri, nebraska, north dakota, ohio, south dakota and wisconsin.

In the face of brutal frost, even the weather-challenged carriers of the U.S. Postal service have to capitulate in many places. The USPS said service would be suspended in iowa, minnesota, and parts of wisconsin and illinois. Schools and some universities will also be closed in many states.

At least two deaths have been attributed to the extreme cold: in milwaukee, a 55-year-old man was found dead tuesday after shoveling snow outside his garage, CNN reported. A 22-year-old died in rochester (minnesota) on sunday. The man did not have a key with him and therefore did not enter the house.

Disasters declared in illinois, wisconsin and minnesota due to cold weather. "The cold weather that made its way to us between tuesday evening and thursday morning could bring temperatures we have not experienced before. They pose a serious threat to the health of people throughout the state," wrote illinois governor J.B. Pritzker.

In the state of iowa, the NWS branch in charge advised burgers to avoid "deep breaths" and to speak as little as possible: "this is the coldest air many of us have ever experienced," its tuesday morning (local time) weather report read.

The temperatures felt – in the U.S. They call them "wind chill" values – are often much lower. As early as tuesday morning, temperatures in the U.S. State of maine were calculated to be as low as minus 49 degrees celsius, according to the NWS. The "wind chill effect" describes the cooling of the skin at increased wind speeds.

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