NEW PROJECTIONS show Mississippi River will rise to top of lowest New Orleans levees (20 feet) as possible hurricane (Barry) nears, experts say.

If the river overtops the city's levees, it would be the first time in more than a half-century. What to know: https://t.co/2xu7OAWI08 pic.twitter.com/YgAVmUuQDZ

— NOLA.com (@NOLAnews) July 10, 2019