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Historic Freeze Could Break US Midwest and Northeast Temp Records

SIOUX FALLS, S.D. (AP) — The weather warnings are dire: Life threatening wind chills. Historic cold outbreak. Bitter cold temperatures. Winter is normally cold, but starting Sunday tundra-like temperatures are poised to deliver a rare and potentially dangerous sledgehammer blow to much of the Midwest, driving temperatures so far below zero that records will shatter.

Historic Freeze Could Break Midwest Temp Records
Frozen stiff: The cold blast that hit much of the East coast- including New York City's Bryant Park- has left a trail of ice and snow in its wake

One reason? A "polar vortex," as one meteorologist calls it, which will send cold air piled up at the North Pole down to the U.S., funneling it as far south as the Gulf Coast. The temperature predictions are startling: 25 below zero in Fargo, N.D., minus 31 in International Falls, Minn., and 15 below in Indianapolis and Chicago. At those temperatures, exposed skin can get frostbitten in minutes and hypothermia can quickly set in because wind chills could hit 50, 60 or even 70 below zero.

Historic Freeze Could Break Midwest Temp Records
A firefighter surveys the former Odd Fellows Building in downtown North Attleboro, Massachusetts. It was destroyed by an early morning fire before the deep freeze set in

Temperature records will likely be broken during the short, yet forceful deep freeze that will begin in many places on Sunday and extend into early next week. That's thanks to a perfect combination of the jet stream, cold surface temperatures and the polar vortex — a counterclockwise-rotating pool of cold, dense air, said Ryan Maue, of Tallahassee, Fla., a meteorologist for Weather Bell.

Historic Freeze Could Break Midwest Temp Records
Water floods a yard along the shore in Scituate, Massachusetts today after winter storm Hercules dumped almost two feet of snow on the region

"All the ingredients are there for a near-record or historic cold outbreak," he said. "If you're under 40 (years old), you've not seen this stuff before."

Historic Freeze Could Break Midwest Temp Records
A woman runs from the surf as waves crash into houses on Lighthouse Road during a winter nor'easter snow storm in Scituate, Massachusetts today

Snow already on the ground and fresh powder expected in some places ahead of the cold air will reduce the sun's heating effect, so nighttime lows will plummet thanks to strong northwest winds that will deliver the Arctic blast, Maue said. And there's no warming effect from the Gulf to counteract the cold air, he said. The cold blast will sweep through parts of New England, where residents will have just dug out from a snowstorm and the frigid temperatures that followed. Parts of the central Midwest could also see up to a foot of snow just as the cold sweeps in pulling temperatures to 10 below zero in the St. Louis area. Even places accustomed to normally mild to warmer winters will see a plunge in temperatures early next week, including Atlanta where the high is expected to hover in the mid-20s on Tuesday.

Historic Freeze Could Break Midwest Temp Records
Houses line a flooded street along the shore in Scituate, Massachusetts on Friday as a winter storm dropped nearly 2 feet of snow just north of Boston, shut down major highways in New York and Pennsylvania and forced U.S. airlines to cancel thousands of flights nationwide

"This one happens to be really big and it's going to dive deep into the continental U.S. And all that cold air is going to come with it," said Sally Johnson, meteorologist in charge at the National Weather Service in Sioux Falls.

Historic Freeze Could Break Midwest Temp Records
A police vehicle drives through a flooded street during a winter nor'easter snow storm in Scituate as severe weather warnings were put in place

It's relatively uncommon to have such frigid air blanket so much of the U.S., maybe once a decade or every couple of decades, Maue said. But in the long-run the deep temperature dives are less meaningful for comparison to other storms than daytime highs that are below-zero and long cold spells, he said. And so far, this winter is proving to be a cold one.

Historic Freeze Could Break Midwest Temp Records
Cars in a storage lot are covered with snow after a storm passed through the region leaving near two feet in Danvers, Massachusetts

"Right now for the winter we will have had two significant shots of major Arctic air and we're only through the first week of January. And we had a pretty cold December," Maue said.

Historic Freeze Could Break Midwest Temp Records
Snowmen sit in front of the Capitol in Washington after a winter snow storm bored down on the nation's capital

Cities and states are already taking precautions. Minnesota called off school for Monday statewide, the first such closing in 17 years, because of projected highs in the minus teens and lows as cold as 30 below. Milwaukee and Madison, Wis., students also won't be in class Monday. North Dakota Gov. Jack Dalrymple urged superintendents to keep children's safety in making the decision after the state forecast called for "life threatening wind chills" through Tuesday morning.

Historic Freeze Could Break Midwest Temp Records
Frozen Big Apple: A view of the Manhattan Bridge, with the Empire State Building seen through its structure (C, background), at Brooklyn Heights in New York, New York, USA, 04 January 2014

Sunday's playoff game in Green Bay could be among one of the coldest NFL games ever played. Temperatures at Lambeau Field are expected to be a frigid minus 2 degrees when the Packers and San Francisco 49ers kick off, and by the fourth quarter it'll be a bone-chilling minus 7, with wind chills approaching minus 30, according to the National Weather Service. Officials are warning fans to take extra safety measures to stay warm including dressing in layers and sipping warm drinks.

And though this cold spell will last just a few days as warmer air comes behind, it likely will freeze over the Great Lakes and other bodies of water, meaning frigid temperatures will likely last the rest of winter, Maue said.

"It raises the chances for future cold," he said, adding it could include next month's Super Bowl in New York.

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