In the summer of 2021, travelers in Colorado’s Glenwood Canyon were safely evacuated before massive mounds of mud and rocks buried highways and destroyed bridges, thanks to a debris flow warning system developed in part by the U.S. Geological Survey. The system alerted Colorado Department of Transportation officials to intense rainfall events, providing crucial lead time for evacuations. In the summer of 2021, travelers in Colorado’s Glenwood Canyon were safely evacuated before massive mounds of mud and rocks buried highways and destroyed bridges, thanks to a debris flow warning system developed in part by the U.S. Geological Survey. The system alerted Colorado Department of Transportation officials to intense rainfall events, providing crucial lead time for evacuations. Earth Sciences Phys.org – latest science and technology news stories