.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. Last year a parade of tornados, sustained through atmospheric streams, eliminated at least 21 individuals and induced almost $5bn-worth of damage across the condition. On February 4th this year the very same sort of tornado once more ravaged. Hurricane-strength winds buffeted the central coastline near Large Sur. In Los Angeles famous personalities were saturated as they reached the Grammy awards' ceremony. Estates in the Hollywood Hills were dealt with in dirt. At least 3 people have passed away. What are atmospherical rivers, and are they a danger past The golden state?