A 'flash flood warning' was issued until ... prevent motorists from entering those danger zones. According to the Sewerage and Water Board of New Orleans, the Old Carrollton Underpass Station ...

NEW ORLEANS — New Orleans' recently installed real-time flood monitors were meant to serve as an early warning system, helping drivers and city officials avoid flooded streets during heavy rainstorms.

Note that the blue outline only shows flooding in New Orleans proper; additional flooding occurred in certain suburbs. To see the flood extent in your area, click and drag on the map until your ...