PhysOrg: California's parched landscapes are receiving a much-needed soaking this week as heavy rainstorms roll across the West Coast. The break in the state's dry spell is due to a weakening of an atmospheric anomaly that has been hovering above the northern Pacific Ocean. Dubbed the "ridiculously resilient ridge" by a Stanford graduate student, this enormous region of atmospheric high pressure has been squatting off the coast of western Canada since January 2013, diverting storms northward, away from California...