Caltrans workers clear the remains of a 100-foot eucalyptus tree from the northbound lanes of Highway 13 in Oakland, Calif., on Thursday, Dec. 23, 2021. Heavy overnight rains in Northern California left two people dead in a submerged car as authorities on Thursday urged residents of several Southern California mountain and canyon communities to voluntarily leave their homes because of possible mud and debris flows. (Jane Tyska/Bay Area News Group via AP)