Tropical Storm Barry could breach New Orleans' river levees. Here’s how the levee system works and how much it can withstand.

Business Insider


· Tropical Storm Barry is strengthening in the Gulf of Mexico as it heads toward the Louisiana coast. It's forecasted to make landfall as a Category 1 hurricane early tomorrow morning.
· A hurricane warning is in effect for New Orleans and other parts of the Louisiana coast.
· Forecasters say the Mississippi River could rise...

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