California wildfires California wildfires

A thick layer of smoke from the Carr Fire settles over California's Central Valley in a view from a jet earlier this summer. Fine particulate matter from drifting wildfire smoke mixes with industrial ozone and can become trapped between the mountain ranges. George Rose/Getty Images hide caption

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George Rose/Getty Images

A fire helicopter takes off through smoke rising to make a drop on active fires in Yosemite National Park last week after the park reopened following a three-week closure. Gary Kazanjian/AP hide caption

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Gary Kazanjian/AP

A firefighter monitors a back fire while battling the Medocino Complex fire on Aug. 7, near Lodoga, Calif. The Mendocino Complex Fire, which is made up of the River Fire and Ranch Fire, has become the largest wildfire in state history with over 344,890 acres charred. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Northern California's River Fire tore through a canyon near the town of Lakeport early last week, filling orange-tinged skies with smoke for miles around. Noah Berger/AP hide caption

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Noah Berger/AP

California Wildfires Reignite Old Trauma For Survivors Of Last Year's Blazes

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An inmate firefighter pauses on Friday as emergency crews battled the Carr fire in Redding, California. High winds have made fighting the fire a challenge. Josh Edelson/AFP/Getty Images hide caption

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Josh Edelson/AFP/Getty Images

A flooded car sits in Hough's Neck on Friday in Quincy, Mass. A nor'easter hit the east coast on Friday, bringing coastal flooding, heavy snow and strong winds to the area. Scott Eisen/Getty Images hide caption

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Scott Eisen/Getty Images

Echo, an English Labrador, narrows down the search for the ashes of Kathy Lampi's mother. She died in June, but her cremains were lost in the wildfire in October. Thomas Nash/nashpix.com hide caption

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Thomas Nash/nashpix.com

Forensic Search Dogs Sniff Out Human Ashes In Wildfire Wreckage

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Debris and mud cover the street in front of shops in Montecito, Calif., Tuesday after heavy rain brought deadly flooding to the region. Daniel Dreifuss/AP hide caption

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Daniel Dreifuss/AP