This new study now expands upon that ARkStorm scenario, named after the 'atmospheric rivers' of moisture that could fuel a flood of biblical proportions, to take into account the effects of climate change.
In 2010, scientists looked into the possibility of that happening again. Some cities may even experience more than 100 inches of rain, the study published Friday in the Science Advances journal says, displacing 5 to 10 million people, cutting off the state's freeways for weeks or even a month and causing worldwide economic damage.Ĭalifornia has faced such massive flooding every century or two over the past millennia, and in 1862, before the state invested in flood mitigation technologies, a Great Flood stretched up to 300 miles long and 60 miles across. In fact, the UCLA scientists found, an extreme monthlong storm - like the one that drowned Sacramento and inundated modern Los Angeles in 1862 - could bring several feet of rain to hundreds of miles of California. 'There's more rain overall, more intense rainfall on an hourly basis and stronger winds,' he said. Researchers with University of California Los Angeles found that climate change is doubling the chances of biblical flooding to occur in The Golden State.Īnd with each degree the Earth is warming, the odds and size of the next megaflood 'is bigger in almost every respect,' Daniel Swain, a UCLA climate scientist and co-author of the study, said in a statement.
Climate change is putting Californians at risk of a massive flood that would cost $1 trillion in damage, displace millions of residents and submerge parts of Los Angeles and Sacramento, according to a new study.
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