The biggest storm of the winter, packing a firehose of rain across much of California, will trigger flooding, mudslides and road closures that may put lives and property at risk during the latter part of this week.

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers can cause.

Southern California is in desperate need of rain, but it could come far too fast this week, especially in areas recently burned by wildfires.