EE.UU. afronta nueva tormenta de nieve

WASHINGTON, DC - FEBRUARY 13: Washington Metropolitan Area Transit Authority employees shovel snow out of bus stops at the Takoma Metrorail Station February 13, 2014 in Washington, DC. Up to 12 inches of snow fell over the Washington area causing WMATA to cancel bus service but rail service continued to operate. Chip Somodevilla/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==

WASHINGTON, DC - FEBRUARY 13: People trudge through newly fallen snow on the National Mall February 13, 2014 in Washington, DC. The east coast of the U.S. was hit with a winter storm leaving up to 12 inches of snow on the ground in parts of the Washington, DC area. Win McNamee/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==

WASHINGTON, DC - FEBRUARY 13: Members of the Miller family sled on the west lawn of the U.S. Capitol February 13, 2014 in Washington, DC. The east coast of the U.S. was hit with a winter storm leaving up to 12 inches of snow on the ground in parts of the Washington, DC area. Win McNamee/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==

WASHINGTON, DC - FEBRUARY 13: People sled on the west lawn of the U.S. Capitol February 13, 2014 in Washington, DC. The east coast of the U.S. was hit with a winter storm leaving up to 12 inches of snow on the ground in parts of the Washington, DC area. Win McNamee/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==

A woman cross country skis on teh snow covered National Mall near the US Capitol in Washington, DC, on February 13, 2014. The DC area received its first significant winter storm starting Wednesday night February 12th with 6-8 inches (15-20 cm) falling throughout the metro area. AFP PHOTO Saul LOEB

Cars are covered with snow during a major snowstorm February 13, 2014 in Manassas, Virginia. The biggest storm of the season dumped a thick snow blanket on the Washington, DC area overnight and early Thursday, shutting down the federal government, local schools, courts and government offices, airports and Metro’s bus service. AFP PHOTO / Karen BLEIER

A worker plows snow from a parking lot during a major snowstorm February 13, 2014 in Manassas, Virginia. The biggest storm of the season dumped a thick snow blanket on the Washington, DC area overnight and early Thursday, shutting down the federal government, local schools, courts and government offices, airports and Metro’s bus service. AFP PHOTO / Karen BLEIER

TOPSHOTSA young man on skis and his friends pass in front of the US Congress building as a heavy snow storm hits Washington D.C. on February 13, 2014. The eastern US, in the grips of one of the most brutal winters in recent memory, braced for what forecasters warned could be the worst broadside yet -- a massive storm with the season's heaviest snowfall. AFP PHOTO / MLADEN ANTONOV

A view of a statue of a police man ankle deep in snow in Chevy Chase, Maryland, in the early hours of February 13, 2014. A deadly ice storm stranded scores of people on slick roads and knocked out power to hundreds of thousands of US homes as winter-weary Americans dug in against Mother Nature's latest blow. Accumulation of between 4 to 8 inches, 10 to 20 cm, was expected by the morning. AFP PHOTO / MANDEL NGAN

A worker clears snow from a sidewalk in Chevy Chase, Maryland, in the early hours of February 13, 2014. A deadly ice storm stranded scores of people on slick roads and knocked out power to hundreds of thousands of US homes as winter-weary Americans dug in against Mother Nature's latest blow. Accumulation of between 4 to 8 inches, 10 to 20 cm, was expected by the morning. AFP PHOTO / MANDEL NGAN

ATLANTA, GA - FEBRUARY 12: Furman Smith breaks out his cross country skis to get some enjoyment out of the winter weather on February 12, 2014, in Atlanta, Georgia. Public schools were closed, many businesses were closed, and a state of emergency was declared in 45 Georgia counties as sleet, freezing rain and snow fell across the state. Davis Turner/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==