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.