Atmospheric rivers began hitting the state last week, toppling trees and dousing roads. With the ground already soaked from the first storm, officials expressed concern about mudslides and flooding.
The dangerous, intense storm will move into Southern California this weekend, lingering for days and bringing the potential for widespread flooding, power outages, downed trees and debris flows.
Heavy rain flooded California roadways and much-needed snow piled up in the mountains as the first of back-to-back atmospheric rivers pummeled the state Thursday.