.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. In 2014 a parade of storms, fuelled by atmospheric streams, gotten rid of a minimum of 21 folks and triggered almost $5bn-worth of damages throughout the condition. On February fourth this year the very same form of hurricane once more wreaked havoc. Hurricane-strength winds buffeted the central shoreline near Significant Sur. In Los Angeles celebrities were saturated as they got to the Grammy awards' welcome mat. Mansions in the Hollywood Hillsides were covered in dirt. At least 3 folks have died. What are actually atmospheric streams, as well as are they a hazard beyond California?