But with snow from the last storm still piled high in the mountains, concerns are growing about the rain combining with snowmelt to generate flooding, especially in the mountain canyons with creeks that could overflow. "Those collector creeks that are capturing all that snowmelt and rainfall at the same time are going to be seeing some of the highest flows we've seen in some time," said [Professor] Brett Sanders, a climate engineering expert at University of California, Irvine. Read More