Heavy rainfall brought flooding to parts of Northern California on Sunday, January 1, prompting road closures.Footage released by the California Department of Transportation (Caltrans) shows flooding on Highway 99, which was closed between Grant Line and Twin Cities Road.The National Weather Service issued a flash flood warning for the area, and said rain would continue to impact Northern California into the week.Local media reported one person died after being pulled from the water and another was found dead in their car in Sacramento County. Credit: California Department of Transportation via Storyful