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New technique predicts Frequency of Heavy Precipitation with Global Warming

New technique predicts frequency of heavy precipitation with global warming

MIT scientists have found that extreme precipitation events in California should become more frequent as the Earth’s climate warms over this century. Credit: Massachusetts Institute of Technology

On Dec. 11, 2014, a freight train of a storm steamed through much of California, deluging the SF Area with 3 inches of rain in just 1 hour. The storm was fueled by what meteorologists refer to as the “Pineapple Express”—an atmospheric river of moisture that is whipped up over the Pacific’s tropical waters and swept north with the jet stream. By evening, record rainfall had set off mudslides, floods, and power outages across the state. The storm, which has been called California’s “storm of the decade,” is among the state’s most extreme precipitation events in recent history.

Now MIT scientists...

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