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Where Tomorrow's Floods Will Come

Extreme rainfall events like Tropical Storm Cindy are becoming more common. But development on inland flood zones hasn’t slowed down.
Don Noel carries his daughter Alexis, 8, with his wife Lauren, right as they walk through a flooded roadway in New Orleans.
Don Noel carries his daughter Alexis, 8, with his wife Lauren, right as they walk through a flooded roadway in New Orleans.Gerald Herbert/AP

Tropical storm Cindy made landfall near the Texas-Louisiana border early Thursday morning. Two states—Louisiana and Alabama—have declared a state of emergency. The storm has killed a 10-year-old boy in Alabama, while battering cities across a 500-mile stretch along the Gulf Coast with tornadoes, winds as high as 50 mph, and rainfall of up to 12 inches. Cindy has since been downgraded to a tropical depression, meaning sustained wind fell below 39 miles per hour. Up to 15 inches of rain could soak certain areas, according to the National Weather Service.

It isn’t just the coastal cities that are feeling that impact: Millions more residents as far north as the Ohio Valley are also at risk of inland flooding due to the heavy rainfall and swelling waterways as the storm moves northeast toward the Mid-Atlantic region.