Brett F. Sanders, an engineering professor at the University of California, Irvine, who focuses on flood management, said atmospheric river events like the one hitting the state now have been predicted by climate models and are presenting urban planners with new challenges. “The mentality of the past was that we could control floods, and contain where flooding happened. And outside of that, communities and businesses and residents could kind of go about what they do, and not think about floods,” Dr. Sanders said. “But we know now that, around the U.S., we’re seeing that infrastructure is undersized to contain the extreme weather of today.” Read More