Two 'thousand-year events' pummeled San Diego and Ventura. Officials say El Niño, climate change and seasonal patterns make similar storms more likely.
Two 'thousand-year events' pummeled San Diego and Ventura. Officials say El Niño, climate change and seasonal patterns make similar storms more likely.
How atmospheric rivers cause flooding nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.