(01 of12)
Open Image ModalIn this photo provided by Cathy Pasquariello, a storm cloud approaches Ocean City, Md. on Thursday, Sept. 15, 2011. The National Weather Service is looking into reports of a tornado in Ocean City. Rick Curry, NWS observation program leader in Wakefield, Va., says there have been unconfirmed reports of a tornado and wind damage near 75th Street on Thursday afternoon. He says a storm was moving through the area at the time. Fire department spokesman Ryan Whittington says buildings and multiple vehicles were damaged in the 75th Street area, but no major injuries were reported. He says town officials are working with NWS to determine what kind of weather event caused the damage. (AP Photo/Cathy Pasquariello) (credit:AP)
Alabama Severe Weather(02 of12)
Open Image ModalA funnel cloud appears in the distance in Level Plains, Ala., near U.S. Highway 84 and Dale County Road 1, Sunday, June 10, 2012. The area was under a tornado warning until 12:15 p.m. There is no official word of any injuries. (AP Photo/Dothan Eagle, Max Oden) (credit:AP)
(03 of12)
Open Image ModalIn this photo provided by Gothamist, dark clouds loom over the skyline, Saturday, Sept. 8, 2012, in New York. Two tornadoes struck New York City on Saturday, one swept out of the sea and hit a beachfront neighborhood and the second, stronger twister hit moments later, hurling debris in the air, knocking out power and startling residents who once thought of twisters as a Midwestern phenomenon. (AP Photo/Gothamist, Jake Dobkin) MANDATORY CREDIT (credit:AP)
(04 of12)
Open Image ModalThis photo provided by Joey Mure, shows a storm cloud over the Breezy Point area of Queens section of New York, on Saturday, Sept. 8, 2012. A Fire Department spokesman said there were power lines down and possibly other damage in the Point Breeze section of the Rockaway peninsula in Queens. The general manager of the Breezy Point Surf Club tells the Associated Press the storm ripped up cabanas and even picked up industrial-sized metal trash bins. The National Weather Service issued a tornado warning for Queens and Brooklyn as a line of strong thunderstorms moved through the city. The service said radar detected a "strong rotation" in the storm, but there was no immediate confirmation that a twister actually formed. (AP Photo/Joey Mure) (credit:AP)
(05 of12)
Open Image ModalStorm clouds move over west of Palmyra, Ind.,, Friday, Mar. 2, 2012 Powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns, killed at least three people and bred anxiety across a wide swath of the country on Friday, in the second deadly tornado outbreak this week. (AP Photo/The Courier-Journal,David Lee Hartlage) MAGS OUT; NO ARCHIVE; MANDATORY CREDIT (credit:AP)
(06 of12)
Open Image ModalThis photo provided by Michael Abrams, shows a storm cloud over the Breezy Point area of Queens section of New York, on Saturday, Sept. 8, 2012. A Fire Department spokesman said there were power lines down and possibly other damage in the Point Breeze section of the Rockaway peninsula in Queens. The general manager of the Breezy Point Surf Club tells the Associated Press the storm ripped up cabanas and even picked up industrial-sized metal trash bins. The National Weather Service issued a tornado warning for Queens and Brooklyn as a line of strong thunderstorms moved through the city. The service said radar detected a "strong rotation" in the storm, but there was no immediate confirmation that a twister actually formed. (AP Photo/Michael Abrams) MANDATORY CREDIT (credit:AP)
Texas Tornado Weather(07 of12)
Open Image ModalThreatening clouds continue to move through southern Tarrant and Dallas counties after a tornado swept through Lancaster, Texas on Tuesday, April 3, 2012. Tornadoes tore through the Dallas area Tuesday, peeling roofs off homes, tossing big-rig trucks into the air and leaving flattened tractor trailers strewn along highways and parking lots. (AP Photo/The Fort Worth Star-Telegram, Ron Ennis) MAGS OUT (credit:AP)
Texas Weather(08 of12)
Open Image ModalLightning streaks across the sky in Tyler, Texas as a powerful line of thunderstorms, several spawning tornados moved across Texas, Tuesday evening, April 3, 2012. (AP Photo/Dr. Scott M. Lieberman) (credit:AP)
(09 of12)
Open Image ModalA Thursday, June 7, 2012 photo provided by Andrew Kniss shows a funnel cloud, seen from Kniss's car on Highway 34, near Wheatland, Wyoming. The rare quarter-mile-wide tornado cut a swath across mainly open country in southeastern Wyoming, damaging homes, derailing empty train cars and leaving one person with minor injuries, officials said. The twister was part of a powerful storm system that rolled through parts of Colorado and Wyoming Thursday afternoon and evening, packing heavy rains, high winds and hail. (AP Photo/Andrew Kniss) (credit:AP)
(10 of12)
Open Image ModalA funnel cloud dips down from the clouds on Saturday, April 14, 2012, just southwest of Otis, Kansas as severe thunderstorms roll across Kansas. The funnel touched down briefly before the storm weakened. Supercell thunderstorms spawned numerous tornadoes in Kansas on Saturday. (AP Photo/The Hays Daily News, Steven Hausler) (credit:AP)
(11 of12)
Open Image ModalA funnel cloud begins to form over the Canebrake Subdivision of Athens, Ala., Friday, March 2, 2012. Homes were damaged and utilities were interrupted when several suspected tornadoes struck Limestone County Friday morning. (AP Photo/Chris Simmons, Athens Fire and Rescue Dept.) (credit:AP)
(12 of12)
Open Image ModalA funnel cloud is seen, Monday, Nov. 7, 2011, near Tipton, Okla. Officials say an agriculture office was destroyed and other buildings damaged as tornadoes touched down in southwestern Oklahoma Monday. Tornadoes are most prevalent in Oklahoma in the spring, but the state has a secondary severe weather season in autumn. (AP Photo/The Frederick Leader, Jennifer Grice) MANDATORY CREDIT (credit:AP)