• UT senior Marlow Payat, of Memphis, bikes along Laurel Ave during an afternoon snowfall in Knoxville, Tenn., on Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP) Photo: Calvin Mattheis, AP / AP 2017
Photo: Calvin Mattheis, AP
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UT senior Marlow Payat, of Memphis, bikes along Laurel Ave during an afternoon snowfall in Knoxville, Tenn., on Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
UT senior Marlow Payat, of Memphis, bikes along Laurel Ave during an afternoon snowfall in Knoxville, Tenn., on Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
Photo: Calvin Mattheis, AP
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Frankie plays in the snow as her owner Claire Cheek, of Nashville, watches during an afternoon snowfall in Knoxville, Tenn., on Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
Frankie plays in the snow as her owner Claire Cheek, of Nashville, watches during an afternoon snowfall in Knoxville, Tenn., on Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
Photo: Calvin Mattheis, AP
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A woman walks through Fort Sanders during an afternoon snowfall in Knoxville, Tenn., Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
A woman walks through Fort Sanders during an afternoon snowfall in Knoxville, Tenn., Tuesday, Jan. 16, 2018. (Calvin Mattheis/Knoxville News Sentinel via AP)
Photo: Calvin Mattheis, AP
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Brooke Meadows, left, and Alex Ondrus go for a walk in Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of schools and businesses. less
Brooke Meadows, left, and Alex Ondrus go for a walk in Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of ... more
Photo: Mark Humphrey, AP
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A man sleds down a road at Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of schools and businesses.
A man sleds down a road at Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of schools and businesses.
Photo: Mark Humphrey, AP
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People take a walk in the snow at Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of schools and businesses. less
People take a walk in the snow at Radnor Lake State Park, Tuesday, Jan. 16, 2018, in Nashville, Tenn. A winter storm brought snow and cold temperatures to the area, causing the closing of schools and ... more
Photo: Mark Humphrey, AP
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Jeremy Roberts sits on a cot at a warming shelter opened by the Harris County Precinct One Constables Office and the American Red Cross at Pleasant Grove Missionary Baptist Church as freezing weather moves through the region Tuesday, Jan. 16, 2018, in Houston. (Michael Ciaglo/Houston Chronicle via AP) less
Jeremy Roberts sits on a cot at a warming shelter opened by the Harris County Precinct One Constables Office and the American Red Cross at Pleasant Grove Missionary Baptist Church as freezing weather moves ... more
Photo: Michael Ciaglo, AP
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A Hardin County (Kentucky) EMS units leaves the scene of a multi-vehicle wreck on Interstate 65 near the Bonnieville, Kentucky exit on Tuesday, Jan. 16, 2018 enroute to an area hospital with patients. (Neal Cardin/The News-Enterprise via AP) less
A Hardin County (Kentucky) EMS units leaves the scene of a multi-vehicle wreck on Interstate 65 near the Bonnieville, Kentucky exit on Tuesday, Jan. 16, 2018 enroute to an area hospital with patients. (Neal ... more
Photo: Neal Cardin, AP
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Emergency personnel remove patients for transport to area hospitals at the scene of a multi-vehicle wreck on Interstate 65 near Bonnieville, Ky., Tuesday, Jan. 16, 2018. The wreck shut down the southbound lanes for several hours. Several people were transported from the scene to at least two different hospitals. (Neal Cardin/The News-Enterprise via AP) less
Emergency personnel remove patients for transport to area hospitals at the scene of a multi-vehicle wreck on Interstate 65 near Bonnieville, Ky., Tuesday, Jan. 16, 2018. The wreck shut down the southbound lanes ... more
Photo: Neal Cardin, AP
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ATLANTA (AP) — The Latest on wintry weather in the South and East Coast (all times local):

6:45 a.m.

Major delays are being reported at the world's busiest airport in Atlanta.

The Federal Aviation Administration said early Wednesday that snow and ice have prompted officials to delay takeoffs. Some arriving flights also are being delayed more than an hour.

Hartsfield-Jackson Atlanta International Airport said in a statement last night that crews were de-icing airplanes as wintry weather moved into metro Atlanta.

The flight tracking service FlightAware.com early Wednesday reported 90-minute delays at the airport in Memphis, Tennessee, a major hub in the U.S. air transportation system.

___

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2:20 a.m.

A wintry mix of snow, sleet and freezing rain has blanketed a large swath of the South, trailed by a blast of frigid air that could approach record low temperatures.

By Tuesday evening, steadily dropping snow was forcing cars on Interstate 75 about 15 miles (25 kilometers) northwest of Atlanta to slow considerably amid scattered fender benders.

National Water Service meteorologist Ryan Willis in Peachtree City says the forecast calls for 1 to 1.5 inches (2.5 to 4 centimeters) of snow in metro Atlanta through Wednesday morning. Forecasters said travel could be difficult because of below-zero (-18 Celsius) wind chills.

The same slippery conditions and dangerous wind chills swept across several southern states Tuesday, shutting down interstates, triggering highway crashes, closing airport runways and prompting widespread school closings.

The system was expected to push into the Carolinas overnight.