.FOR CALIFORNIANS it thought that du00e9ju00e0 vu. Last year a parade of tornados, fuelled through atmospheric streams, killed at the very least 21 people and also induced nearly $5bn-worth of harm around the state. On February 4th this year the same form of tornado once again created chaos. Hurricane-strength winds buffeted the central coast near Big Sur. In Los Angeles personalities were saturated as they came to the Grammy awards' welcome mat. Manors in the Hollywood Hillsides were dealt with in dirt. At the very least three individuals have actually perished. What are actually climatic streams, as well as are they a risk beyond The golden state?