Hourly Weather - Gräfelfing, Germany

The spillway at the Oroville Dam, north of Sacramento, California, developed a huge hole in February 2017. Nearly 200,000 people had to be evacuated. (Monica Davey/AFP via Getty Images) At a Glance The Assessment of High-Risk Issues found only 22 emergency plans have been approved.The state required the plans after the Oroville Dam Spillway nearly failed in 2017.Fifty-three dam owners have failed to submit plans. Emergency plans have been approved for only 22 of the 650 California dams classified as...