Weather

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The Barnes family with the help of friends salvage what is left of their home that was damaged from severe weather on Tuesday, April 29, 2014 in Tupelo, Miss. A dangerous storm system that spawned a chain of deadly tornadoes over three days flattened homes and businesses, forced frightened residents in more than half a dozen states to take cover and left tens of thousands in the dark Tuesday morning. (AP Photo/Hunt Mercier)

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Mike Pettigrew moves chairs in the badly damaged building that once was the American Legion in Tupelo, Miss Tuesday, April 29, 2014. A dangerous storm system that spawned a chain of deadly tornadoes over three days flattened homes and businesses, forced frightened residents in more than half a dozen states to take cover and left tens of thousands in the dark Tuesday morning. (AP Photo/Zachary Odom)

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Theresa Long picks up debris at her house in Mayflower, Ark., Tuesday, April 29, 2014, after it was damaged in a tornado. (AP Photo/Danny Johnston)

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A Bible lies on the ground as people salvage items from Grace Falls Church Tuesday, April 29, 2014, in Fayetteville, Tenn. The church was destroyed by storms Monday. A dangerous storm system that spawned a chain of deadly tornadoes over three days flattened homes and businesses, forced frightened residents in more than half a dozen states to take cover and left tens of thousands in the dark Tuesday morning. (AP Photo/Mark Humphrey)

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Workers walk past damage at South Lincoln Elementary School on Tuesday, April 29, 2014, after storms came through Monday in Fayetteville, Tenn. A dangerous storm system that spawned a chain of deadly tornadoes over three days flattened homes and businesses, forced frightened residents in more than half a dozen states to take cover and left tens of thousands in the dark Tuesday morning. (AP Photo/Mark Humphrey)

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In this photo made with a fisheye lens, uprooted trees and debris fill the yard in front of a destroyed home on Tuesday, April 29, 2014, after storms came through Monday in Fayetteville, Tenn. On Sunday evening, roughly 15 tornadoes carved a path of destruction in the South and the country's midsection, according to estimates from the National Oceanic and Atmospheric Administration's Storm Prediction Center. On Monday, around 50 tornadoes ravaged the South, the agency said. (AP Photo/Mark Humphrey)

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A school bus lies in a field near South Lincoln Elementary School on Tuesday, April 29, 2014, after storms came through Monday in Fayetteville, Tenn. A dangerous storm system that spawned a chain of deadly tornadoes over three days flattened homes and businesses, forced frightened residents in more than half a dozen states to take cover and left tens of thousands in the dark Tuesday morning. (AP Photo/Mark Humphrey)

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Mike Self helps to cut up trees Tuesday, April 29, 2014, that destroyed a home in Fayetteville, Tenn., when storms came through Monday. On Sunday evening, roughly 15 tornadoes carved a path of destruction in the South and the country's midsection, according to estimates from the National Oceanic and Atmospheric Administration's Storm Prediction Center. On Monday, around 50 tornadoes ravaged the South, the agency said. (AP Photo/Mark Humphrey)