The Madeleine Brand Show is a daily, two-hour program that looks at news and culture through the lens of Southern California.
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California's next big one: massive winter storm to rival a hurricane?




On October 14, 2009 an atmospheric river channeled water vapor across nearly the entire width of the ocean basin, to deposit copious rains over the central coast of California.
On October 14, 2009 an atmospheric river channeled water vapor across nearly the entire width of the ocean basin, to deposit copious rains over the central coast of California.
M. Dettinger/USGS

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A big earthquake? California emergency responders are ready. But the US Geological Survey says we face almost the same risk from another kind of natural disaster: massive winter storms on the scale of hurricanes. How significant is the threat? Lucy Jones joins us with more on ARkStorm, a new USGS project to learn more about massive winter storms.

ARkStorm Scenario via USGS.

Visualization of water vapor (atmospheric rivers) hitting California coastline in the ARkStorm Scenario.