4 things to know about mudslide risk as major rains hit Los Angeles County
When hills are healthy, vegetation can anchor the soil in place. But when that is burned off, hillsides become vulnerable to erosion, and slopes can come crashing down.
Storm hitting California may bring 'damaging' debris flows. These maps shows areas most at risk
Heavy rain is expected to sweep across Southern California on Thursday, raising the risk of flash flooding and mudflows in ...