Ice storm spreads across U.S.

Updated 12:05 AM ET, Mon December 23, 2013
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Snow covers buses for the Baltimore County Public Schools in Towson, Maryland, on Tuesday, December 10. Snow and ice snarled travel across parts of the United States, hitting major airline hubs in the Northeast. Patrick Semansky/AP
A mirror reflects light snow on a sidewalk in New York on December 10. Spencer Platt/Getty Images
A man makes his way across a parking lot during a snowstorm in Philadelphia on December 10. Matt Rourke/AP
Snow trucks plow along Route 1 in Plainsboro, New Jersey, on December 10. Mel Evans/AP
A car drives up a snow-covered street in Brooklyn, New York, on December 10. Spencer Platt/Getty Images
A woman walks past Independence Hall during a snowstorm in Philadelphia on December 10. Matt Rourke/AP
Baltimore Gas & Electric lineman Jim Thompson repairs a power line that was damaged by a tree limb in Towson, Maryland, on Monday, December 9. Steve Ruark/AP
An American Airlines jet is de-iced at O'Hare Airport in Chicago on December 9. Wintry conditions have caused numerous flight cancellations and delays. Scott Olson/Getty Images
A woman strolls past the Capitol Building in Washington on December 9, after an overnight ice storm hit the region. Federal agencies opened two hours late because of the weather. KEVIN DIETSCH/UPI /Landov
Emergency personnel respond to an accident on southbound Interstate 43 in Mequon, Wisconsin, on Sunday, December 8. Mike De Sisti/Milwaukee Journal Sentinel/AP
Juan Carlos tries to free his vehicle from the snow on December 8 in Wilmington, Delaware. Suchat Pederson/The News-Journal/AP
The Detroit Lions and Philadelphia Eagles face off during heavy snow in Philadelphia on December 8. Hunter Martin/Philadelphia Eagles/Getty Images
A towing company employee works where a semitrailer jackknifed off Interstate 94 in Racine County, Wisconsin, on December 8. Scott Anderson/The Journal Times/AP
Vehicle traffic on I-35 in Sanger, Texas, is at a dead stop due to icy road conditions on Saturday, December 7. Tony Gutierrez/AP
Motorists struggle to cross the icy bridge leading to Minnis Drive in Haltom City, Texas, Saturday, December 7. Large ice ruts made passage difficult. Ice remains Saturday after low temperatures refroze sleet from Friday's storm that had begun to melt. Ross Hailey/Fort Worth Star-Telegram/MCT/Getty Images
Moisture from low-lying clouds coats trees in Virginia's Shenandoah National Park with a layer of ice and frost on December 7. KAREN BLEIER/AFP/Getty Images
A fountain stands frozen in Chandler's Cove at South Lake Union in Seattle on Friday, December 6. Ken Lambert/The Seattle Times/AP
A pedestrian walks down the street after a heavy snowfall on December 6 in Carbondale, Illinois. Steve Matzker/The Southern Illinoisan/AP
Icicles hang from mailboxes in Owensboro, Kentucky, on December 6. Gary Emord-Netzley/The Messenger-Inquirer/AP
A worker at Wilson Air Center de-ices an airplane before it takes off from Memphis International Airport in Memphis, Tennessee, on December 6. Mark Weber/The Commercial Appeal/AP
As freezing rain falls, Tyshun Lindsey, 15, rings a bell to get drivers' attention while selling bags of pecans in Memphis on Friday, December 6. Mark Weber/The Commercial Appeal/AP
A man clears a path for Christmas tree shoppers in Indianapolis on December 6. Darron Cummings/AP
A tree, split in two, lays on two homes on December 6 in Dallas in this photograph taken by CNN iReporter Earl Wallace IV. courtesy Earl Wallace IV
A gust of wind collapses Joseph Mezo's umbrella as he walks to work on December 6 in light sleet and ice conditions in Dallas. LM Otero/Associated Press
Matthew Eller catches air after sliding down a hill and jumping a ramp in Arlington, Texas, on December 6. BRANDON WADE/EPA /LANDOV
A bronze statue is covered in ice December 6 at Grand Prairie Municipal Airport in Grand Prairie, Texas. BRANDON WADE/EPA/LANDOV
Traffic moves slowly along an ice-covered highway in Dallas on December 6. LM Otero/AP
Jeff Chupp walks his ice-covered bicycle along Great Southwest Parkway in Grand Prairie on December 6. BRANDON WADE/EPA/LANDOV
Stephen LeFlore scrapes ice from his windshield in McAlester, Oklahoma, on Thursday, December 5. Kevin Harvison/McAlester New-Capitol/AP
An American Airlines employee hands out cots to stranded airline passengers at Dallas-Fort Worth International Airport on December 5. BRANDON WADE/EPA/LANDOV