In Pictures: Derby Day devotees, Kenyan style
Photos of the Day: Photos of the day 05/16
In Pictures: Dazzle like Beckham
In Pictures: Weather extremes 2013
Photos of the Day: Photos of the day 05/15
In Pictures: Duchess Kate's royal baby bump
Photos of the Day: Photos of the day 05/14
In Pictures: Keffiyeh is rebel chic
Trucks and trailers scattered like toys by a tornado that passed through the Dallas-Fort Worth area April 3, 2012. REUTERS/Reuters TV/NBC
A tornado roars through an Ames, Iowa, neighborhood after leveling one home, damaging several others and downing trees and power lines on November 2005. Tornadoes swept across central Iowa, damaging homes in several towns and sending college football fans running from a stadium for shelter.
The path of destruction taken by tornadoes that hit the Oklahoma City area on May 2 can be seen from the air over Moore, in 2008. The tornadoes touched down southwest of Oklahoma City (bottom left) and moved to the northeast (top right). Officials estimated that 2,000 to 3,000 homes were damaged or destroyed.
In this March 8 photo provided by John W. Cannon of the Elk City Daily News, a vehicle drives across the top of Foss Lake dam with a funnel cloud in the background in Foss Lake, Okla.
A chevy blazer sits overturned in Benton County, Miss. on May 4. Mississippi Gov. Haley Barbour said Tuesday he has requested federal assistance for three more counties affected by a massive tornado on April 24.
A large waterspout touches down in Bay Lanauy near Port Sulphur, La., south of New Orleans, as a bolt of lightning strikes, June 15, 2005, while a storm passes through the area. The water spout lasted about five minutes. Michel Democker/The Times-Picayune/AP
In April 27, 2011 a deadly tornado moved through Tuscaloosa, Ala. Rotating thunderstorms – known as super cells – spawned at least a hundred twisters, which barreled through six Southern states and killed at least 283 people. National Weather Service, starting April 2012, is using a new tornado warning that's intended to scare eople into seeking shelter. Dusty Compton/The Tuscaloosa News/AP/File
In May 22, 2011, residents walk in the street after a massive EF5 tornado leveled more than 7,000 buildings in Joplin, Mo. Some 160 people died. Mike Gullett/AP/File
Lindsay Matush traveled from Joplin, Mo., in March 2012 to New Orleans to work with a group that renovates Katrina-damaged homes. The two cities devastated by recent natural disasters – Hurricane Katrina in 2005 and a killer Midwestern tornado – are forging a partnership that could change the way other American cities both plan for and cope with such disasters. Cheryl Gerber/AP/File
NASA's Mars Reconnaissance Orbiter, which has been circling the Red Planet since March 2006, captured this image on Feb. 16, 2012. It shows a 100 foot-wide (30 meter) Mars 'dust devil' – a column of dust half a mile (800 meters) up into the planet's atmosphere. NASA / JPL-Caltech / University of Arizona
A 124,000-mile-tall solar twister is formed by different mechanisms than its counterpart on Earth. Scientist Xing Li says that these mega tornadoes are caused by plasma shooting up spiral-shaped magnetic structures that rise from the sun.
In Pictures: Derby Day devotees, Kenyan style
Photos of the Day: Photos of the day 05/16
In Pictures: Dazzle like Beckham
In Pictures: Weather extremes 2013
Photos of the Day: Photos of the day 05/15
In Pictures: Duchess Kate's royal baby bump
Photos of the Day: Photos of the day 05/14
In Pictures: Keffiyeh is rebel chic
A tornado threat was posted Tuesday. Tornadoes are unusual in winter, but a large swath of the country was under a tornado watch, with some areas facing a tornado warning.
Tornadoes in January? A wide area of the central and southeast U.S. faces this unusual threat as an approaching cold front clashes with unusually warm air, a meteorologist said on Tuesday.
/Photo-Galleries/In-Pictures/Derby-Day-devotees-Kenyan-style
/Photo-Galleries/Photos-of-the-Day/2013/Photos-of-the-day-05-16
/Photo-Galleries/In-Pictures/Dazzle-like-Beckham
/Photo-Galleries/In-Pictures/Weather-extremes-2013
/Photo-Galleries/In-Pictures/Covert-commerce-smugglers-tunnels-at-the-Egypt-and-Gaza-border
/Photo-Galleries/Photos-of-the-Day/2013/Photos-of-the-day-05-15
/Photo-Galleries/In-Pictures/Duchess-Kate-s-royal-baby-bump
/Photo-Galleries/Photos-of-the-Day/2013/Photos-of-the-day-05-14
/Photo-Galleries/In-Pictures/Keffiyeh-is-rebel-chic
/Photo-Galleries/CSM-Galleries/Election2012/Tea-Parties
/Photo-Galleries/In-Pictures/Latin-America-s-fight-against-drugs-and-violence
/Photo-Galleries/Photos-of-the-Day/2013/Photos-of-the-day-05-13