Weather

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Des Moines Mayor Frank Cownie, center, listens to a presentation during a two-day Task Force meeting on Climate Preparedness and Resilience, Tuesday, May 13, 2014, in Des Moines, Iowa. Governors, mayors and other local government officials are in Des Moines to discuss the impact of changing weather patterns and the effect on food production, health, and ability to prepare for flooding and drought. (AP Photo)

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Adam Wright, of MidAmerican Energy, speaks during a two-day Task Force meeting on Climate Preparedness and Resilience, Tuesday, May 13, 2014, in Des Moines, Iowa. Governors, mayors and other local government officials are in Des Moines to discuss the impact of changing weather patterns and the effect on food production, health, and ability to prepare for flooding and drought. (AP Photo)

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Jerry Schnoor, of the University of Iowa, speaks during a two-day Task Force meeting on Climate Preparedness and Resilience, Tuesday, May 13, 2014, in Des Moines, Iowa. Governors, mayors and other local government officials are in Des Moines to discuss the impact of changing weather patterns and the effect on food production, health, and ability to prepare for flooding and drought. (AP Photo)

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Firefighters face a huge smoke cloud as they plan their attack on a wild fire Tuesday, May 13, 2014, in San Diego. Wildfires destroyed a home and forced the evacuation of several others Tuesday in California as a high-pressure system brought unseasonable heat and gusty winds to a parched state that should be in the middle of its rainy season. (AP Photo)

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Smoke rises from a canyon where a wild fire is burning Tuesday, May 13, 2014, in San Diego. Wildfires destroyed a home and forced the evacuation of several others Tuesday in California as a high-pressure system brought unseasonable heat and gusty winds to a parched state that should be in the middle of its rainy season. (AP Photo)

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A helicopter attacks a wild fire burning Tuesday, May 13, 2014, in San Diego. Wildfires destroyed a home and forced the evacuation of several others Tuesday in California as a high-pressure system brought unseasonable heat and gusty winds to a parched state that should be in the middle of its rainy season. (AP Photo)

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A lone tree stands in the path of approaching flames as wild fire burns through a canyon Tuesday, May 13, 2014, in San Diego. Wildfires destroyed a home and forced the evacuation of several others Tuesday in California as a high-pressure system brought unseasonable heat and gusty winds to a parched state that should be in the middle of its rainy season. (AP Photo)

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The scoring pylon is reflected in standing water in the pits area as heavy storms halted practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Tuesday, May 13, 2014. (AP Photo)