Environment

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Ernestine Cook of Canton, Texas, points out the damage to spotter Michael Search of Henderson, Texas, as they inspect the damage done to the I-20 Dodge dealership after a tornado hit Canton, Texas, Saturday, April 29, 2017. Cars and trucks were piled high and the service area was destroyed. (Tom Fox/The Dallas Morning News via AP)

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A storm spotter inspects the damage done to the I-20 Dodge dealership after a tornado hit Canton, Texas, Saturday, April 29, 2017. Cars and trucks were piled high and the service area was destroyed. The National Weather Service says at least one tornado hit Canton, while tornadoes also were reported in surrounding areas.(Tom Fox/The Dallas Morning News via AP)

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Cars and trucks are damaged as the walls blew out of the I-20 Dodge dealership after a tornado hit near Canton, Texas, Saturday, April 29, 2017. The National Weather Service says at least one tornado hit Canton, while tornadoes also were reported in surrounding areas. Powerful storms swept through Canton early Saturday evening, leaving behind a trail of overturned vehicles, mangled trees and damaged homes. (Tom Fox/The Dallas Morning News via AP)

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Ernestine Cook of Canton inspects the damage done to the I-20 Dodge dealership after a tornado hit Canton, Texas, Saturday, April 29, 2017. Cars and trucks were piled high and the service area was destroyed. Authorities say fatalities have been reported and dozens of people were taken to hospitals after a tornado hit the small city in East Texas. (Tom Fox/The Dallas Morning News via AP)

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The Finley River rises as rains continue on Saturday, April 29, 2017, in Springfield, Mo. Missouri Governor Eric Greitens has declared a state of emergency because of flooding across southern Missouri. (Nathan Papes/The Springfield News-Leader via AP)

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Water from the James River hits the bottom of the Kinser Bridge on Farm Road 164 on Saturday, April 29, 2017, in Springfield, Mo. Missouri Governor Eric Greitens has declared a state of emergency because of flooding across southern Missouri. (Nathan Papes/The Springfield News-Leader via AP)

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Water from the James River floods onto Farm Road 164 on Saturday, April 29, 2017, in Springfield, Mo. Missouri Governor Eric Greitens has declared a state of emergency because of flooding across southern Missouri. The National Weather Service issued a flash flood watch for most of the southern tier of Missouri through Sunday evening. (Nathan Papes/The Springfield News-Leader via AP)

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Chicago Bears' first round draft pick quarterback Mitchell Trubisky, from North Carolina, poses with a Bears' jersey during an NFL football news conference Friday, April 28, 2017, in Lake Forest , Ill. (AP Photo/Charles Rex Arbogast)

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Trump supporters, right, taunt one of the organizers of the "100 Days of Failure" protest and march, Saturday, April 29, 2017, in New York. Thousands of people across the U.S. are marching on President Donald Trump's hundredth day in office to demand action on climate change. (AP Photo/Mary Altaffer)

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Trump supporters hold a counter rally during "100 Days of Failure" protest and march, Saturday, April 29, 2017, in New York. Thousands of people across the U.S. are marching on President Donald Trump's hundredth day in office to demand action on climate change. (AP Photo/Mary Altaffer)

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Demonstrators sit on the ground along Pennsylvania Ave. in front of the White House in Washington, Saturday, April 29, 2017, during a demonstration and march. Thousands of people gathered across the country to march in protest of President Donald Trump's environmental policies, which have included rolling back restrictions on mining, oil drilling and greenhouse gas emissions at coal-fired power plants. The demonstrators sat down for 100 seconds to mark President Trump's first 100 days in office. (AP Photo/Pablo Martinez Monsivais)

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Participants walk along Pennsylvania Ave., in front of the White House in Washington, during a demonstration and march, Saturday, April 29, 2017. Thousands of people gather across the country to march in protest of President Donald Trump's environmental policies, which have included rolling back restrictions on mining, oil drilling and greenhouse gas emissions at coal-fired power plants. The demonstrators sat down for 100 seconds to mark President Trump's first 100 days in office. (AP Photo/Pablo Martinez Monsivais)

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A police officers escorts a Trump supporter who was taunting demonstrators at the "100 Days of Failure" protest and march, Saturday, April 29, 2017, in New York. ( Thousands of people across the U.S. are marching on President Donald Trump's hundredth day in office to demand action on climate change. (AP Photo/Mary Altaffer)

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Demonstrators wearing paper mache heads representing President Donald Trump and the planet Earth, walk along Pennsylvania Ave., in front of the White House in Washington, during a demonstration and march, Saturday, April 29, 2017. Thousands of people gather across the country to march in protest of President Donald Trump's environmental policies, which have included rolling back restrictions on mining, oil drilling and greenhouse gas emissions at coal-fired power plants. (AP Photo/Pablo Martinez Monsivais)

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Amy Guerrieri, of Fort Collins, Colorado, wears a home-made model of earth and participates in a climate change awareness march and rally, in Denver, Saturday, April 29, 2017. The gathering was among many others of its kind held nationwide marking President Donald Trump's 100th day in office. (AP Photo/Brennan Linsley)

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Dori Mann takes a snapshot of friends and family posing with a snowman draped with an anti-Trump sign as they all participated in a climate change awareness march and rally, in Denver, Saturday, April 29, 2017. The gathering was among many others of its kind held nationwide marking President Donald Trump's 100th day in office. (AP Photo/Brennan Linsley)

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Marchers participate in a climate change awareness rally, in Denver, Saturday, April 29, 2017. The gathering was among many others of its kind held nationwide marking President Donald Trump's 100th day in office. (AP Photo/Brennan Linsley)

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People pause during a demonstration and march on Market Street in Philadelphia, Saturday, April 29, 2017. Thousands of people gathered across the country to march in protest of President Donald Trump's environmental policies, which have included rolling back restrictions on mining, oil drilling and greenhouse gas emissions at coal-fired power plants. The demonstrators sat down for 100 seconds to mark President Trump's first 100 days in office. (AP Photo/Matt Rourke)

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Suzanne Tegen and her daughter Amelia, 8, second and third from right, participate in a climate change awareness march and rally, in Denver, Saturday, April 29, 2017. The gathering was among many others of its kind held nationwide marking President Donald Trump's 100th day in office. (AP Photo/Brennan Linsley)