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Watch now: 2020 flash flood carries Bighorn runoff in Cañada del Oro Wash
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Watch now: 2020 flash flood carries Bighorn runoff in Cañada del Oro Wash

  • Jul 16, 2020
  • Jul 16, 2020 Updated Jul 15, 2021
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Wildfires such as the Bighorn Fire north of Tucson leave the ground charred and unable to absorb water, which can increase flood risks. “Even a light rain can produce devastating flash floods and mudflows, often with little warning,” Pima County officials warned. In this July 2020 video, a debris flow oozes down the Cañada del Oro Wash.

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Trend of higher fatalities on roads not seen in Pima County or on state highways this year.

As featured on

CDO Wash gets a cleaning

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An excavator removes vegetation from the Cañada del Oro Wash in Oro Valley. The town is work…

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These frogs moved to new homes away from canyons damaged by Tucson's  Bighorn Fire

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About 100 lowland leopard frogs were captured and removed during separate salvage operations in the Catalina Mountains over the past two weeks.

More information

  • Blackened runoff seen in Tucson-area wash may be just the beginning, flood experts warn
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  • Bighorn Fire in Tucson: Some Mt. Lemmon recreation areas reopen
  • Expect this to be another dangerous year for wildfires in drought-plagued Arizona

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