The West Coast is bracing for a series of powerful atmospheric rivers that are expected to deliver intense rainfall, raising concerns about flooding and mudslides from Northern California to western Washington. The Bay Area is set to experience significant rainfall starting this weekend, potentially impacting holiday travel plans. Residents are urged to prepare for challenging weather conditions, including dense fog and heavy precipitation. The stormy pattern is forecasted to continue into next week, with continued risks of travel disruptions and adverse weather effects across the region.