Daniel Swain for San Francisco Chronicle — Rumors of an ‘ARkStorm’ are swirling. Here’s what’s really going on with the California forecast

UCLA climate scientist Daniel Swain discusses consequences of the strong atmospheric river sweeping through Central and Southern California, shutting down rumors of a megaflood throughout the state. “There is absolutely no indication of an extremely severe or catastrophic statewide flood event as has been rumored,” Swain said.