.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. In 2015 a march of tornados, sustained through atmospherical rivers, eliminated a minimum of 21 individuals and also caused nearly $5bn-worth of harm around the condition. On February 4th this year the exact same sort of tornado once more wreaked havoc. Hurricane-strength winds buffeted the main shore near Significant Sur. In Los Angeles famous personalities were soaked as they reached the Grammy awards' welcome mat. Mansions in the Hollywood Hills were actually dealt with in mud. At the very least 3 people have passed away. What are actually climatic rivers, and also are they a danger past California?