.FOR CALIFORNIANS it felt like familiarity. In 2014 a procession of tornados, fuelled through atmospheric waterways, eliminated at the very least 21 individuals and induced almost $5bn-worth of damage across the state. On February 4th this year the exact same form of hurricane once more created chaos. Hurricane-strength winds buffeted the main coastline near Huge Sur. In Los Angeles personalities were actually saturated as they reached the Grammy awards' red carpet. Estates in the Hollywood Hills were covered in mud. At the very least three individuals have died. What are atmospheric waterways, and also are they a danger past The golden state?