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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.
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The National Weather Service issues a tornado emergency and reports a twister moving east from El Reno toward the state capital.
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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.
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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.
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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.
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All eyes are on Moore, Oklahoma following this week’s massive tornado. The National Weather Service has confirmed the twister an EF5. Five years ago an…
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Officials think they've found all the survivors, and victims, of the massive tornado that devastated the community of Moore. The official death toll stands at 24. More than 230 people are said to have been injured.
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The warning is issued by forecasters in the deadliest of situations. It was first used during a storm eerily similar to Monday's. It was 1999 and the Norman, Okla., office foretold a twister that left 46 people dead and injured 800.
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Melissa Block talks to Jon Hamilton about the science of tornadoes.
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Tornado strength is currently measured on what is called the Enhanced Fujita Scale, which gives the tornado a rating from 0 to 5 based on estimated wind speeds and the severity of the damage.