.FOR CALIFORNIANS it thought that du00e9ju00e0 vu. In 2013 a parade of tornados, fuelled through atmospheric waterways, killed a minimum of 21 people and also induced nearly $5bn-worth of harm throughout the condition. On February 4th this year the very same kind of tornado once more ravaged. Hurricane-strength winds buffeted the core coast near Huge Sur. In Los Angeles stars were actually soaked as they reached the Grammy awards' welcome mat. Mansions in the Hollywood Hillsides were actually dealt with in mud. A minimum of 3 folks have died. What are atmospheric rivers, as well as are they a risk past California?