CNN: Marjorye Heeney knew something was wrong when she saw a bulging cloud of black dust darken the sky. Drought-like conditions dried this Kern River bed last year near Bakersfield, California. She then heard an eerie, train-like whistle as fierce winds rattled her front door and windows. When she looked outside, hordes of grasshoppers and crows swarmed over her father’s barren farm. After the storm broke, her father walked outside and muttered curses as he scanned the horizon for …