Starting on Dec. 26, the West Coast was impacted by a series of tropical cyclones that resulted in heavy rainfall, causing overtopped rivers, flash floods, levee breaches, mudslides and more, along with some wind damage.
The rainfall intensity in California was so extreme that several locations in the central part of the state set three-week record rainfall, and some locations received their annual average rainfall totals in less than a month.
Infrastructure damage in the state was extensive. A combination of flooding and mudslides damaged state highways and local roads, and trees were uprooted by high water velocities, saturated soil