.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. In 2013 a parade of storms, sustained through atmospherical rivers, eliminated at least 21 individuals and also triggered virtually $5bn-worth of damages all over the state. On February 4th this year the same kind of storm again wreaked havoc. Hurricane-strength winds buffeted the core shore near Huge Sur. In Los Angeles famous personalities were soaked as they arrived at the Grammy awards' welcome mat. Mansions in the Hollywood Hills were actually covered in mud. At the very least three folks have actually perished. What are climatic rivers, and also are they a risk beyond The golden state?