CNN CNN Newsroom July 11, 2013 13:13:00
Land and that's we're talking about a mountain, that land has no more root system. the trees, the grasses and everything that used to allow the water to run off is all gone. just dirt there. when the dirt becomes so saturated, it just begins to run off as a mudslide. here's what happened yesterday. thunderstorms and will happen again today. thunderstorms developed along the ridges of the mountain here and that thunderstorm activity caused rain to come down. as the rain fell in the same place for a very long time, it got into the canyons and, eventually, down through and eventually down into th...