.FOR CALIFORNIANS it thought that du00e9ju00e0 vu. In 2015 a march of storms, fuelled through atmospherical streams, eliminated at least 21 folks as well as led to nearly $5bn-worth of damages throughout the state. On February fourth this year the same kind of storm once more created chaos. Hurricane-strength winds buffeted the core coast near Huge Sur. In Los Angeles famous personalities were actually saturated as they arrived at the Grammy awards' red carpet. Estates in the Hollywood Hillsides were actually dealt with in mud. A minimum of 3 folks have actually perished. What are actually atmospherical rivers, as well as are they a hazard past California?