Cold snap grips Midwest, snow blankets Northeast

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Snow covers vehicles in a rental car parking lot at O'Hare International Airport, on Sunday, Dec. 11, 2016, in Chicago. The wintry weather has forced airlines to cancel more than 1,000 flights at Midway and O'Hare airports as of late Sunday morning. (AP Photo/Nam Y. Huh)

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This natural-color image mosaic, provided by NASA, taken in Aug. 2015, based on data collected during two orbital passes of the Visible Infrared Imaging Radiometer Suite (VIIRS) shows typhoons in the western North Pacific. A new scientific report finds man-made climate change played some kind of role in two dozen extreme weather events around the world in 2015. But it also detected no global warming fingerprints in a handful of other weird weather instances. (NASA via AP)

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Doug Heer checks out an ice-encrusted tree along Barber Drive in Eugene, Ore., Thursday, Dec. 15, 2016, before cutting it back to make way for traffic to pass. An ice storm in the Willamette Valley caused the downing of hundreds of trees and loss of power to residents in the region. (Andy Nelson/The Register-Guard via AP)

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Downed lines bear the weight of a thick sheen of ice in Eugene, Ore., Thursday, December 15, 2016. A winter storm left tree and lines coated in ice causing many of them to come down. (Andy Nelson/The Register-Guard via AP)

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Jamie Dustin, left, and Sarah Clarke go airborne as they sled down a hill, Thursday, Dec. 15, 2016, in Solon, Ohio. The day's high is expected to be 13 degrees as some schools in Northeast Ohio were canceled due to the weather. (AP Photo/Tony Dejak)

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Commuters travel under a warning sign as they work their way down Highway 26 in Portland, Ore., Thursday, Dec. 15, 2016. A winter storm dumped several inches of snow in the area late Wednesday, snarling traffic, causing many commuters to abandon their cars. (AP Photo/Don Ryan)

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Cutoff by fallen trees and ice on the roadway, Randy Laule and Kim Piracci tour their neighborhood off Hawkins Lane in the Eugene, Ore. Thursday Dec. 15, 201, after an ice storm moved through through the area. (Chris Pietsch/The Register-Guard via AP)

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A postal truck passes a car with a warning written in snow in a rear window in Portland, Ore., Thursday, Dec. 15, 2016. A winter storm dumped several inches of snow in the area late Wednesday, snarling traffic, causing many commuters to abandon their cars. (AP Photo/Don Ryan)

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Tiara Medlock, a park keeper with the Minneapolis Parks and Recreation maintenance department, sprays water to form an ice skating rink as temperatures dipped below zero, Thursday, Dec. 15, 2016 in Minneapoilis. (Anthony Souffle/Star Tribune via AP)

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A motorist chains up as other commuters work their way down Highway 26 in Portland, Ore., Thursday, Dec. 15, 2016. A winter storm dumped several inches of snow in the area late Wednesday, snarling traffic, causing many commuters to abandon their cars. (AP Photo/Don Ryan)

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Amanda Wreggelsworth, of Portland, Maine, photographs the frigid sunrise as it highlights a bank of clouds over Casco Bay, Thursday, Dec. 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (AP Photo/Robert F. Bukaty)

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Morning commuters bundle up, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days. (AP Photo/Kiichiro Sato)

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A student waits for his morning bus on a 10-degree morning outside a Buffalo, N.Y., library adorned with the message to "Let it Snow" on Thursday, Dec. 15, 2016. City schools and businesses were open as usual after several inches of wind-driven snow snarled the evening commute. (AP Photo/Carolyn Thompson)

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Cars and trucks make their way down South Park Ave. in Buffalo, N.Y., on a 10-degree morning, Thursday, Dec. 15, 2016. City schools and businesses were open as usual after several inches of wind-driven snow snarled the evening commute. (AP Photo/Carolyn Thompson)

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Lobsterman Jack O'Donoghue checks his bow line while getting his 30-foot fishing boat, Mary Elizabeth, hauled out of the icy Harraseeket River in advance of winter Thursday, Dec. 15, 2016, in Freeport, Maine. (AP Photo/Robert F. Bukaty)

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The waning moon sets behind leafless sumac trees on a crisp, clear morning, Thursday, Dec. 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (AP Photo/Robert F. Bukaty)

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Students play in the snow at Bush Elementary after the Salem-Keizer School District let out students two hours early because of snow on Wednesday, Dec. 14, 2016. (Molly J. Smith/Statesman-Journal via AP)

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Traffic on the Marion Street Bridge as snow falls over Salem on Wednesday, Dec. 14, 2016. (Anna Reed/Statesman-Journal via AP)

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Students play in the snow at Bush Elementary after the Salem-Keizer School District let out students two hours early because of snow on Wednesday, Dec. 14, 2016. (Molly J. Smith/Statesman-Journal via AP)

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Abby Sell, a first grader, tries to catch snowflakes on her tongue after the Salem-Keizer School District let out students two hours early because of snow on Wednesday, Dec. 14, 2016. (Anna Reed/Statesman-Journal via AP)

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Lobsterman Jack O'Donoghue checks the icy waters of the Harraseeket River as he prepares to have his 30-foot fishing boat, the Mary Elizabeth, hauled out of the water for winter, Thursday, Dec. 15, 2016, in Freeport, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (AP Photo/Robert F. Bukaty)

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A woman uses her scarf to wipe away a tear brought on by frigid weather, Thursday, Dec. 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (AP Photo/Robert F. Bukaty)

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Waves crash along frozen abutments and fencing Thursday, Dec. 15, 2016 on Presque Isle Bay in Erie, Pa. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (Christopher Millette/Erie Times-News via AP)

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Kasim Kantarevic, 12, keeps his hood up as he walks to school on Thursday, Dec. 15, 2016 in Erie, Pa. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (Christopher Millette/Erie Times-News via AP)

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Lilliana Santana, 10, center, and Kailee Santana, 11, at right, are bundled up as they walk to school Thursday, Dec. 15, 2016 in Erie, Pa. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (Christopher Millette/Erie Times-News via AP)

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Morning commuters bundle up, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather. (AP Photo/Kiichiro Sato)

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A bike commuter rides along Lake Michigan, Thursday, Dec. 15, 2016, toward downtown Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days. (AP Photo/Kiichiro Sato)

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Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather. (AP Photo/Kiichiro Sato)

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Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather. (AP Photo/Kiichiro Sato)

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Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days. (AP Photo/Kiichiro Sato)

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A runner braves jogs along Lake Michigan, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days. (AP Photo/Kiichiro Sato)

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Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that's expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather. (AP Photo/Kiichiro Sato)

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A bronze statue of the University of Oregon Duck sports an icy bill on its perch outside Matthew Knight Arena in Eugene, Ore., Wednesday, December 14, 2016. The winter storm crept south up the Willamette Valley, the most populous part of Oregon, before reaching Portland, first hitting Eugene and then Salem. (Andy Nelson/The Register-Guard via AP)

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Traffic along the Interstate 5 and Interstate 84 interchange ramps are jammed after a snow storm moved in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.(AP Photo/Don Ryan)

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Chris Borchetta, of Miami Beach, Fla., takes advantage of a sunny day as he lies on the beach, Wednesday, Dec. 14, 2016, in Miami Beach, Fla. Temperatures are above average and in the mid-80's in South Florida as an arctic cold front moves from the Plains to the Ohio and Tennessee Valleys, and towards the mid-Atlantic and Northeast by Thursday. (AP Photo/Lynne Sladky)

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A Memorial Middle School student grabs an icicle while preparing to head home from school on Wednesday Dec. 14, 2016 in Albany, Ore. Freezing rain in the Willamette Valley has cause several wrecks and canceled evening school activities. (Mark Ylen/Albany Democrat-Herald via AP)

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These two snow covered plastic flamingo's stand near a pond outside of Johnstown, Pa., Wednesday, Dec. 14, 2016. Weather forecasters are calling for an Arctic blast coming to western Pennsylvania on Thursday and lasting through Friday. (Todd Berkey/The Tribune-Democrat via AP)

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A man is silhouetted from steam from an underground grate as he makes his way through the crisp cold morning in Toronto on Wednesday, Dec. 14, 2016. (Nathan Denette/The Canadian Press via AP)

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A runner goes for a run in Eagle Creek Park as snow falls Tuesday, Dec. 13, 2016, in Indianapolis. (AP Photo/Darron Cummings)

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Bundled up for the cold, UW-Eau Claire freshman Rachel Blessinger, of Oak Creek, Wis., walks on campus in Eau Claire on Tuesday, Dec. 13, 2016. (Dan Reiland/The Eau Claire Leader-Telegram via AP)

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Suzy Mooney of Clarks Summit, Pa., walks down the steps at the Waverly Community House during a light snow shower on Tuesday, Dec. 13, 2016, in Waverly, Pa., after her she was playing music with her ukulele group. (Butch Comegys/The Times & Tribune via AP)

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A screen displays flight status information at O'Hare International Airport on Sunday, Dec. 11, 2016, in Chicago. The wintry weather has forced airlines to cancel more than 1,000 flights at Midway and O'Hare airports as of late Sunday morning. (AP Photo/Nam Y. Huh)

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Irene Dudek of Saginaw sweeps off her front porch Monday, Dec. 12, 2016 after Saginaw received nearly nine inches of snow Sunday into Monday morning, according to the National Weather Service. (Josie NorrisThe Saginaw News/MLive.com via AP)

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Dave Snell clears snow from the sidewalk in front of his Saginaw, Mich., home on Monday morning, Dec. 12, 2016. According to the National Weather Service, almost nine inches of snow fell on Saginaw on Sunday through Monday morning. All area schools are closed for the day. (Jeff Schrier/The Saginaw News via AP)

Description

Dangerously cold temperatures gripped the upper Midwest ahead of a storm that's expected to bring heavy snow in coming days, while schools and officials in the Northeast braced for their own wintry blast.

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