.FOR CALIFORNIANS it thought that recognition. In 2014 a march of hurricanes, fed by climatic waterways, killed at the very least 21 people and also led to virtually $5bn-worth of damages throughout the condition. On February fourth this year the very same type of hurricane once again wreaked havoc. Hurricane-strength winds buffeted the central shoreline near Huge Sur. In Los Angeles stars were actually soaked as they got to the Grammy honors' ceremony. Residences in the Hollywood Hills were actually covered in mud. A minimum of three individuals have perished. What are atmospheric waterways, and also are they a threat beyond California?