Here's How California's Flooding Risk Could Be Higher Than We Think

CBS Sacramento

June 27, 2023

SACRAMENTO — A national flood assessment tool could be out of date. A new study says this tool is not taking into account how many more severe events are happening because of climate change and how new construction could be at a higher risk.

The study by the First Street Foundation found that 1-in-100-year events are now expected more often because of climate change. Their research found people across the country are now being affected in a way they weren't 20 to 30 years ago.

"It feels like the 1-in-100-year event occurs every ten years in some places it is because we're not measuring it accurately," said Dr. Jeremy Porter, the head of climate implications research at the First Street Foundation.

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