.FOR CALIFORNIANS it believed that familiarity. In 2014 a ceremony of tornados, fed by atmospherical waterways, killed at the very least 21 folks and also caused nearly $5bn-worth of damage across the condition. On February fourth this year the same form of tornado once more wreaked havoc. Hurricane-strength winds buffeted the central coastline near Big Sur. In Los Angeles celebs were soaked as they got to the Grammy honors' ceremony. Manors in the Hollywood Hillsides were actually covered in dirt. A minimum of 3 folks have actually died. What are atmospheric waterways, and are they a risk past The golden state?