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This week's intense freeze has resulted in thousands of flights and dozens of trains in the area. Authorities in some of the most affected cities, such as Minneapolis, Detroit and Chicago, have implored residents to stay indoors to avoid frostbite and prevent motorists from driving on icy roads.
The temperature change will be about 125 degrees over seven days, he said.
13 Million People Are On Wind Chill Warning
Forecasters describe extremely fluctuating weather patterns under the name of whiplash.
In the heat of the cold Thursday, more than 216 million people experienced temperatures below zero. Friday morning, about 13 million people were under warning or chilling notice.
Chicago's Temperatures will skyrocket in the coming days – from a minus 23 degrees Fahrenheit on Wednesday to 50 on Monday – a change of more than 70 degrees, announced CNN weather forecaster Haley Brink. Atlanta shivered in the 20s this week but will bask in the 60s when it hosts the Super Bowl Sunday
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Floods are possible during the thaw
Despite the outlook for higher temperatures, light snowfall fell Thursday night in the region, resulting in slippery roads and slower journeys . Before the weekend warms up, there will be more and more snow in parts of Illinois, Indiana and Ohio, the National Weather Service announced.
When the temperature above the freezing point in Chicago begins Saturday, the snow and ice will melt, which could cause flooding along the rivers in the form of large chunks of ice and block the flow of ice. downstream water, said Brink. Other risks include falling ice cubes that have formed on buildings.
"The average maximum in Chicago is 32 degrees Fahrenheit for this time of year," Brink said. "They go from a much lower temperature than average to a much higher than average temperature."
11 temperatures lower than those in Alaska
The extremely cold weather was so intense Thursday that at least 11 states of the continental United States reached a lower temperature than recorded in Alaska's northernmost city.
The Dakota, Minnesota, Illinois, Iowa, Indiana, Michigan, New Hampshire, Wisconsin, New York State, and Pennsylvania all saw their temperatures drop below minus 14 degrees, according to CNN meteorologist Taylor Ward. It was the temperature at Utqiagvik (also known as Barrow), a town of about 4,400 inhabitants located north of the Arctic Circle.
In Chicago, the majority of homeless people were treated for at least 50 people. In such extreme conditions, frostbite can occur as quickly as three to ten minutes, depending on age, exposure, and other factors such as gloves and wet socks.
The cold weather also caused Wednesday in Chicago a phenomenon called cryoseism – noisy boom called "frost trembling". This occurs when groundwater freezes and expands, causing cracks in the soil and rocks.
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