.FOR CALIFORNIANS it seemed like familiarity. Last year a ceremony of hurricanes, sustained by atmospheric waterways, gotten rid of at the very least 21 individuals and led to nearly $5bn-worth of harm around the condition. On February fourth this year the same form of storm once again wreaked havoc. Hurricane-strength winds buffeted the core shoreline near Huge Sur. In Los Angeles stars were soaked as they got to the Grammy honors' welcome mat. Manors in the Hollywood Hills were covered in dirt. A minimum of three individuals have perished. What are climatic streams, and also are they a hazard beyond The golden state?