Weather

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A woman sits on the curb looking at a damaged vehicle after severe weather passed through the area 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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Austin Hargrove, left, and Haley Hracke, right, help recover personal items from a friends home that was destroyed by Sunday's tornado, Tuesday, April 29, 2014, in Vilonia, Ark. 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/Eric Gay)

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Bobbi Leggon and Sudie Carter work to salvage items from a friend's home on Clayton Avenue 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/Thomas Graning)

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Callie Moore looks through the debris of her home that was destroyed by Sunday's tornado, Tuesday, April 29, 2014, in Vilonia, Ark. 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/Eric Gay)

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Charles Milam takes a break while searching his destroyed home on Clayton Avenue in Tupelo, Miss., Tuesday, April 29, 2014. Milam, his wife and his granddaughter were at home at the time of the tornado, and all survived. 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/Thomas Graning)

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In this photo made from a video, debris covers the ground on Tuesday, April 29, 2014, in Athens, Ala. A dangerous storm system that spawned a chain of deadly tornadoes over two days flattened homes and businesses, and killed dozens from the Midwest to the Deep South. (AP Photo/Alex Sanz)

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In this photo made from a video, debris covers the ground on Tuesday, April 29, 2014, in Athens, Ala. A dangerous storm system that spawned a chain of deadly tornadoes over two days flattened homes and businesses, and killed dozens from the Midwest to the Deep South. (AP Photo/Alex Sanz)

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A windswept field shows the extent of damage from Monday's tornado that hit south Louisville, Miss., Tuesday, April 29, 2014. A dangerous storm system that spawned a chain of deadly tornadoes over two days flattened homes and businesses, and killed dozens from the Midwest to the Deep South. (AP Photo/Rogelio V. Solis)

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Destroyed automobiles and remnants of homes cover the ground in a south Louisville, Miss., neighborhood, Tuesday, April 29, 2014. A dangerous storm system that spawned a chain of deadly tornadoes over two days flattened homes and businesses, and killed dozens from the Midwest to the Deep South. (AP Photo/Rogelio V. Solis)

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Volunteers continue to salvage items for residents who lost their homes to Sunday's tornado, Tuesday, April 29, 2014, in Vilonia, Ark. 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/Eric Gay)

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Friends, seen through debris, comfort each other at the site of a a home destroyed by Sunday's tornado, Tuesday, April 29, 2014, in Vilonia, Ark. 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/Eric Gay)

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Friends and volunteers help remove Dan Wassom's 1934 Ford from the debris left by Sunday's tornado, Tuesday, April 29, 2014, in Vilonia, Ark. 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/Eric Gay)

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Thereesa Long directs friends helping her sift through her belongings in Mayflower, Ark., 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/Danny Johnston)

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Louie Short walks through rubble that is all that is left of his Mayflower, Ark., home Tuesday, April 29, 2014. Shorts arm was injured in an April 27, tornado struck his neighborhood killing one man. 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/Danny Johnston)