April 29, 2014
From Massive Storm System Spawns Tornadoes Across Southeast, one of 28 photos. Aerial view after a tornado hit Vilonia, Arkansas, on April 28, 2014. Over the past couple of days, a ferocious storm system has spawned multiple tornadoes across the Southeastern states, killing more than 20, with more threatening weather forecast for today. (Reuters/Carlo Allegri)

From Massive Storm System Spawns Tornadoes Across Southeast, one of 28 photos. Aerial view after a tornado hit Vilonia, Arkansas, on April 28, 2014. Over the past couple of days, a ferocious storm system has spawned multiple tornadoes across the Southeastern states, killing more than 20, with more threatening weather forecast for today. (Reuters/Carlo Allegri)

January 29, 2014
From Snow Storms Hit the South, one of 20 photos. A truck driver slides off the highway in icy weather, as he tries to avoid another wrecked truck on I-65, in Clanton, Alabama, on January 28, 2014. Overnight, the South saw fatal crashes and hundreds of fender-benders. Jackknifed 18-wheelers littered Interstate 65 in central Alabama. Ice shut down bridges on Florida’s panhandle and the Lake Pontchartrain Causeway, one of the world’s longest spans, in Louisiana. Some commuters pleaded for help via cellphones while still holed up in their cars, while others trudged miles home, abandoning their vehicles outright. (AP Photo/Butch Dill)

From Snow Storms Hit the South, one of 20 photos. A truck driver slides off the highway in icy weather, as he tries to avoid another wrecked truck on I-65, in Clanton, Alabama, on January 28, 2014. Overnight, the South saw fatal crashes and hundreds of fender-benders. Jackknifed 18-wheelers littered Interstate 65 in central Alabama. Ice shut down bridges on Florida’s panhandle and the Lake Pontchartrain Causeway, one of the world’s longest spans, in Louisiana. Some commuters pleaded for help via cellphones while still holed up in their cars, while others trudged miles home, abandoning their vehicles outright. (AP Photo/Butch Dill)

August 21, 2013
From Heavy Rain, Floods Batter Philippines, one of 24 photos. A boy carries his dog through floodwaters brought by the monsoon rain, intensified by tropical storm Trami, in Paranaque city, metro Manila, Philippines, on August 20, 2013. Heavy rains continue to batter the Philippine capital and nearby provinces, causing government offices, schools and some businesses to suspend work, and sending residents to flee their homes. (Reuters/Romeo Ranoco)

From Heavy Rain, Floods Batter Philippines, one of 24 photos. A boy carries his dog through floodwaters brought by the monsoon rain, intensified by tropical storm Trami, in Paranaque city, metro Manila, Philippines, on August 20, 2013. Heavy rains continue to batter the Philippine capital and nearby provinces, causing government offices, schools and some businesses to suspend work, and sending residents to flee their homes. (Reuters/Romeo Ranoco)

July 16, 2013
From Hot Summer Days, one of 28 photos. On a hot summer day, a girl stands surrounded by the jets of a fountain on the South Bank in central London, on July 15, 2013. (Reuters/Andrew Winning)

From Hot Summer Days, one of 28 photos. On a hot summer day, a girl stands surrounded by the jets of a fountain on the South Bank in central London, on July 15, 2013. (Reuters/Andrew Winning)

May 20, 2013
From A Week of Tornadoes, one of 25 photos. Lightning from a tornadic thunderstorm passing over Clearwater, Kansas strikes in an open field, on May 19, 2013. A massive storm front swept north through the central United States on Sunday, hammering the region with fist-sized hail, blinding rain and tornadoes, including a half-mile wide twister that struck near Oklahoma City. (Reuters/Gene Blevins)

From A Week of Tornadoes, one of 25 photos. Lightning from a tornadic thunderstorm passing over Clearwater, Kansas strikes in an open field, on May 19, 2013. A massive storm front swept north through the central United States on Sunday, hammering the region with fist-sized hail, blinding rain and tornadoes, including a half-mile wide twister that struck near Oklahoma City. (Reuters/Gene Blevins)

February 9, 2013
From Northeast Slammed by Blizzard, one of 28 photos. Ice clings to Ken Anderson’s eyebrows and mustache as he uses a snowblower during a blizzard, on February 9, 2013, in Portland, Maine. The storm dumped more than 30 inches of snow as of Saturday afternoon, breaking the local record for the biggest storm. (AP Photo/Robert F. Bukaty)

From Northeast Slammed by Blizzard, one of 28 photos. Ice clings to Ken Anderson’s eyebrows and mustache as he uses a snowblower during a blizzard, on February 9, 2013, in Portland, Maine. The storm dumped more than 30 inches of snow as of Saturday afternoon, breaking the local record for the biggest storm. (AP Photo/Robert F. Bukaty)

January 24, 2013
From Chicago’s Freezing Fire, one of 16 photos. A truck is covered in ice as firefighters work to extinguish a massive blaze at a vacant warehouse in Chicago, Illinois, on January 23, 2013. More than 200 firefighters battled the five-alarm fire as temperatures were in the single digits. (Scott Olson/Getty Images)

From Chicago’s Freezing Fire, one of 16 photos. A truck is covered in ice as firefighters work to extinguish a massive blaze at a vacant warehouse in Chicago, Illinois, on January 23, 2013. More than 200 firefighters battled the five-alarm fire as temperatures were in the single digits. (Scott Olson/Getty Images)

January 11, 2013
From Summer Down Under, one of 31 photos. A white shelf cloud caps brownish dirt from a dust storm, or haboob, as it travels across the Indian Ocean near Onslow on the Western Australia coast in this handout image distributed by fishwrecked.com and taken January 9, 2013. (Reuters/Brett Martin/fishwrecked.com)

From Summer Down Under, one of 31 photos. A white shelf cloud caps brownish dirt from a dust storm, or haboob, as it travels across the Indian Ocean near Onslow on the Western Australia coast in this handout image distributed by fishwrecked.com and taken January 9, 2013. (Reuters/Brett Martin/fishwrecked.com)

January 9, 2013
From Wintry Weather, one of 34 photos. Frost covers the tips of a woman’s hair as she shields her face while facing the abnormally freezing outdoors in the Siberian city of Novosibirsk, about 2,800 km east of Moscow, on December 14, 2012. The temperatures in Novosibirsk had dropped to -35C (-31F). (Valery Titievsky/AFP/Getty Images)

From Wintry Weather, one of 34 photos. Frost covers the tips of a woman’s hair as she shields her face while facing the abnormally freezing outdoors in the Siberian city of Novosibirsk, about 2,800 km east of Moscow, on December 14, 2012. The temperatures in Novosibirsk had dropped to -35C (-31F). (Valery Titievsky/AFP/Getty Images)

August 21, 2012
From Lightning Strikes, one of 24 photos. Here, lightning pierces a dark sky above buildings in central Shanghai during a storm on August 15, 2012. (Reuters/Aly Song)

From Lightning Strikes, one of 24 photos. Here, lightning pierces a dark sky above buildings in central Shanghai during a storm on August 15, 2012. (Reuters/Aly Song)

February 6, 2012
From Deep Freeze Spreads Across Europe, one of 40 photos. Here, a boy sits in front of an ice covered car in Versoix, near Geneva, Switzerland, on February 5, 2012. Bitterly cold weather sweeping across Europe claimed more victims on Sunday and brought widespread disruption to transport services, with warnings that the chilling temperatures would remain into next week. (Reuters/Denis Balibouse)

From Deep Freeze Spreads Across Europe, one of 40 photos. Here, a boy sits in front of an ice covered car in Versoix, near Geneva, Switzerland, on February 5, 2012. Bitterly cold weather sweeping across Europe claimed more victims on Sunday and brought widespread disruption to transport services, with warnings that the chilling temperatures would remain into next week. (Reuters/Denis Balibouse)