.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. Last year a parade of tornados, fuelled by atmospherical waterways, killed at least 21 individuals and also caused almost $5bn-worth of damage throughout the state. On February 4th this year the exact same kind of storm once more ravaged. Hurricane-strength winds buffeted the main coast near Huge Sur. In Los Angeles personalities were actually soaked as they arrived at the Grammy honors' welcome mat. Residences in the Hollywood Hills were covered in dirt. At the very least three folks have actually perished. What are atmospherical rivers, and are they a hazard beyond The golden state?