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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

CDO Wash gets a cleaning

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

Arizona attorney general plans to sue Tucson over its odd-year election dates

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Cities that maintain their own election dates despite lower turnout are violating state law, Arizona Attorney General Mark Brnovich concludes. And now his office plans to sue Tucson at the state Supreme Court to force it to repeal its odd-year election ordinance.

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

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

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
  • Flood watch issued over Bighorn burn scar Thursday, Friday
  • Tucson area gets soaked with first day of widespread monsoon storms
  • Post-wildfire flood risk expands for Tucson-area homes, businesses
  • Hikers cited for trespassing on Mount Lemmon after wandering into closed areas
  • 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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