September 12, 2013 At least two waterspouts are seen Thursday afternoon on Lake Michigan, near the Wisconsin border.
June 4, 2013 New data about the tornado, which has been blamed for 18 deaths, was released Tuesday. Its intensity was upgraded to the maximum of EF5, and the weather agency says its winds reached 295 miles an hour.
June 4, 2013 A scientist who studies tornadoes says there's still much to be learned about how they form and how to better forecast them. Still, the storm chasing and research communities will be reevaluating their procedures in the wake of three colleagues' deaths.
June 3, 2013 In response to our coverage of the tornadoes, online comments have asked, "Why put yourself in the path of such disaster?" But Oklahoma residents have their reasons for staying put.
June 3, 2013 Oklahoma officials put the number of deaths from Friday night's storms at 18 as of Monday evening, with several victims still not identified. The strongest storm Friday tore through El Reno, Okla. Forecasters are warning there could be more severe weather in Oklahoma on Monday and Tuesday.
June 2, 2013 Tim Samaras was an engineer who made probes that captured information at the base of the violent storms. He was inspired to chase tornadoes by the iconic scene in The Wizard of Oz.
May 31, 2013 The National Weather Service issues a tornado emergency and reports a twister moving east from El Reno toward the state capital.
May 30, 2013 Another day brings more warnings for the nation's midsection. The National Weather Service says that from Texas up toward the Great Lakes there could be strong storms, hail and possibly tornadoes.
May 30, 2013 Among several emotional moments during Wednesday's benefit concert for victims of the tornado that struck Moore, Okla., Lambert's struggle to sing through tears is worth watching.
May 29, 2013 The nation's midsection, and parts of the Northeast, are once again bracing for severe weather. There were tornadoes sighted Tuesday in Kansas, Michigan and Pennsylvania.
May 28, 2013 Eight days after a tornado devastated Moore, Okla., spring is still bringing severe storms to much of the nation. Forecasters warn that there could be tornadoes in some sparsely populated parts of Kansas and nearby states. Cities such as Chicago and Omaha could be hit by strong storms, too.
May 24, 2013 Residents can now get into their devastated neighborhoods without passing through police checkpoints. Meanwhile, there's word that insurance policies may cover less of the cost of damages than in past disasters.
May 23, 2013 The tornado that devastated Moore, Okla., Monday destroyed some 12,000 homes, according to Oklahoma City Police. And for one family, it was the second house they've lost to a tornado in the past 14 years. Rena and Paul Phillips say that the recent loss won't make them move.
May 23, 2013 There were hugs and tears, smiles and laughter on Thursday, as students and teachers from Plaza Towers Elementary School, destroyed in Monday's tornado in Moore, Okla., reunited. The school district reopened all of its schools just for the day on what would have been the final day of classes before summer vacation.