GP might be referring to that http://www.scientificamerican.com/article/megastorms-could-down-massive-portions-of-california/ http://www.scientificamerican.com/

GP might be referring to that http://www.scientificamerican.com/article/megastorms-could-down-massive-portions-of-california/ http://www.scientificamerican.com/article/megastorms-could-d... Megastorms Could Drown Massive Portions of California Huge flows of vapor in the atmosphere, dubbed "atmospheric rivers," have unleashed massive floods every 200 years, and climate change could bring more of them