.FOR CALIFORNIANS it seemed like recognition. Last year a march of storms, fed through atmospheric rivers, eliminated at the very least 21 folks and also created almost $5bn-worth of damages all over the condition. On February fourth this year the same type of tornado once again ravaged. Hurricane-strength winds buffeted the core coastline near Major Sur. In Los Angeles celebrities were actually saturated as they got to the Grammy honors' ceremony. Manors in the Hollywood Hills were actually covered in dirt. A minimum of 3 people have died. What are actually atmospherical streams, and are they a threat beyond The golden state?