slammed southern california with record-breaking rainfall, strong winds, and widespread floodwaters. this is the biggest storm, the strongest storm to hit the golden state in more than eight decades. eight aerial footage shows the transformation from sunny deserts and palm trees to a wasteland of thick mud covering everything in sight. the mud several feet deep in some areas, water turning roads and interstates into rivers. officials warn that the rains and flooding will continue as the storm moves north toward the canadian border. we have team coverage tonight of this unprecedented storm. cbs s carter evans will start us off from hard-hit oakland, california. good evening, carter. reporter: good evening, norah. neighbors curtail trouble was coming when they heard the rumbling of the huge boulders and logs headed downstream. just imagine the force when it slammed into this building, ripping it right open. tonight, neighborhoods buried in several inches of mud and residents left knee