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Articles on Flood maps

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Mississippi River flooding left parts of Davenport, Iowa, under water in May 2023. KC McGinnis/For The Washington Post via Getty Images

America’s aging flood control infrastructure is failing – federal funding is coming, but too often new construction relies on old data

Flood risks are rising, yet communities may spend millions of dollars in federal infrastructure funding on systems that aren’t built to handle them.
Driving into floodwater, as this vehicle did in Sonoma County, Calif., on Jan. 5, 2023, can be extremely dangerous. Josh Edelson/AFP via Getty Images

Flood forecasts in real-time with block-by-block data could save lives – a new machine learning method makes it possible

The majority of flood-related deaths involve vehicles in water. What if flood models could warn of the risks street by street using real-time storm forecasts? Machine learning can make it possible.
Coastal cities like Port Arthur, Texas, are at increasing risk from flooding during storms. Joe Raedle/Getty Images

New flood maps show US damage rising 26% in next 30 years due to climate change alone, and the inequity is stark

A street-by-street analysis shows where the risks are rising fastest and also lays bare the inequities of who has to endure America’s crippling flood problem.

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