In this image taken from video from a Caltrans remote video traffic camera, traffic is stopped along a snow covered Interstate 80 at Donner Summit, 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. (Caltrans via AP)