.FOR CALIFORNIANS it believed that recognition. In 2015 a parade of tornados, sustained by climatic streams, killed at the very least 21 folks and also caused almost $5bn-worth of damage throughout the condition. On February fourth this year the exact same sort of storm again created chaos. Hurricane-strength winds buffeted the central coastline near Major Sur. In Los Angeles stars were saturated as they reached the Grammy awards' ceremony. Mansion houses in the Hollywood Hills were covered in dirt. A minimum of 3 folks have passed away. What are atmospheric streams, and also are they a threat past California?