Weather

A man walks past a sculpture covered by a light dusting of snow in Baltimore.

Patrick Semansky/AP

A man walks past a sculpture covered by a light dusting of snow in the US city of Baltimore

People make their way on plowed paths in the frigid temperatures outside city hall in Toronto on Monday, Jan. 20, 2014.

Nathan Denette/The Canadian Press/AP

People make their way on plowed paths in the frigid temperatures outside city hall in TorontoRead more

A pedestrian walks along the banks of the Neris river as temperatures dipped to -18 degrees Celsius (-0,40 degrees Fahrenheit) in Vilnius, Lithuania, Monday, Jan. 20, 2014.

Mindaugas Kulbis/AP

A pedestrian walks along the banks of the Neris river as temperatures dipped to minus 18 degrees centigrade in Vilnius, Lithuania, on Monday.

The tower of New York's World Trade Center rises through a blanket of fog on Wednesday morning, Jan. 15, 2014, in this view looking south from the 48th floor at 42nd St. and 11th Ave in Midtown Manhattan. New Jersey is visible at top right.

Girish Tewani/AP

The tower of New York’s One World Trade Center pierces a blanket of fog. This photo is taken looking south from the 48th floor at 42nd Street and 11th Avenue in Midtown Manhattan. Read more

A man walks past a car partially covered in ice in Baltimore where temperatures continue to remain well below freezing.

Patrick Semansky/AP

North America has been hit by the coldest temperatures in decades after a a polar vortex led to extreme weather conditions. In Baltimore, temperatures remain well below freezing, with ice forming on buildings, cars and roads.

A general view of the Thames Barrier on January 7, 2014 in London, United Kingdom. After a period of recent storms and heavy rain, forecasters are warning that there is still more bad weather to come over the next few days.

Dan Kitwood/Getty Images

The Thames Barrier aims to prevent London, UK from being flooded by exceptionally high tides and storm surges moving up from the North Sea. After a period of recent storms and heavy rain, forecasters are warning that there is still more bad weather to come over the next few days.

Ice forms on an abandoned dock structure in the East River due to unusually low temperatures caused by a Polar Vortex in New York January 7, 2014.

Lucas Jackson/Reuters

Ice forms on an abandoned dock in the East River as extreme freezing conditions, known as a polar vortex, hit New York. The Atlantic seaboard of the US is gripped by the coldest weather it has had in decades

People watch and photograph enormous waves as they break on Porthcawl harbour, South Wales.

Ben Birchall/PA Wire

People watch and photograph enormous waves as they break on Porthcawl harbour, South Wales. The UK has been hit by storms and flooding over the past week

National Park Service workers spread salt on icy steps of the Lincoln Memorial in Washington...National Park Service workers spread salt on the icy steps of the Lincoln Memorial in Washington January 3, 2014. A heavy snowstorm and dangerously cold conditions gripped the northeastern United States on Friday, delaying flights, paralyzing road travel and closing schools and government offices across the region.  REUTERS/Gary Cameron

Gary Cameron /Reuters

National Park Service workers spread salt on the icy steps of the Lincoln Memorial in Washington. A heavy snowstorm and dangerously cold conditions gripped the northeastern United States on Friday. Read more

***BESTPIX***  Severe Flood Warnings In Place For The UK...BLACKPOOL, ENGLAND - JANUARY 3:  Waves crash over Blackpool seafront on January 3, 2014 in Blackpool, England. Gail force winds and an expected tidal surge are set to cause wide spread flooding in coastal areas of western England and Scotland.

Nigel Roddis/Getty

Waves crash over the seafront in Blackpool, England. Gail-force winds and an expected tidal surge are set to cause widespread flooding in coastal areas of western England and Scotland.