After The Storm: New Orleans 10 Years After Hurricane Katrina

Hurricane Katrina From Space

Hurricane Katrina as seen from space. Source: SMS Ranjish

Ten years ago this week, Hurricane Katrina swept over the Gulf Coast and shredded communities from Louisiana to Florida. Emergency response to the crisis was badly bungled, and the post-storm recovery has had some unexpected effects on the area. As one of the costliest disasters in American history, Hurricane Katrina revealed quite a lot about our priorities, and how American society does—and doesn’t—work. The decade after the storm, as New Orleans and its surroundings have worked to rebuild, reveals even more.

The Storm

Hurricane Katrina Spiral Cloud
Hurricane Katrina Wrong Way
Hurricane Katrina Flooded Mobile
Hurricane Katrina From Westbank
After The Storm: New Orleans 10 Years After Hurricane Katrina
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Katrina made landfall in southeastern Louisiana on August 29th, as either a Category 2, 3, or 4 storm, depending on who you ask. Power failed in New Orleans almost immediately, so on-the-ground measurements of rainfall and wind velocity were mostly guesswork. Considering that a Category 2 storm sustains winds of between 96 and 110 mph, even the low estimates were terrifying.

For perspective, imagine yourself blasting down the freeway at double the posted speed limit. Now, without slowing, toss a wheelbarrow full of roofing tiles out the window at pedestrians and spray them down with a fire hose as you drive past. That's what was headed for New Orleans in 2005, except it was 150 miles across.

The storm dropped 15 inches of rain on parts of the state, an amount equal to the average annual rainfall in Montana. Much of the rain fell on already-waterlogged wetlands in the Mississippi delta and over a series of lakes, notably Lake Pontchartrain. The U.S. Army Corps of Engineers, which had been responsible for strengthening the levees around the lake, stopped work on the project in 2003, as 80 percent of its budget was cut to defray the cost of the Iraq invasion.

Unsurprisingly, the levees tore loose under the pressure of the extra water. This, combined with a 13- to 16-foot storm surge, flooded the city of New Orleans. The city's unique bowl-shaped topography didn't help, as the floodwaters had nowhere to drain once they overtopped the levees. As a result, around 80 percent of the city sat under several feet of stagnant water for days.

The Aftermath

Hurricane Katrina Flooded Overhead
Hurricane Katrina Elevation Map
A PJ's Night In New Orleans
Hurricane Katrina Civilian Boat
After The Storm: New Orleans 10 Years After Hurricane Katrina
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Immediately after Katrina hit, New Orleans resembled a wet tropical Stalingrad. Most neighborhoods were reduced to waterlogged rubble, with whole blocks swept away where the water had picked up some momentum. Oil barrels and countless gallons of God-knows-what had tipped into the water, coating every surface in sticky toxic residue. Bodies were floating in standing pools, buried under smashed buildings, and lying in the street to be eaten by the tens of thousands of rats driven up out of the sewer.

About 1,500 New Orleans residents were dead, and recovery of the bodies was so slow that many of the people who died in the heavily damaged east side of the city decomposed to the point they could only be identified by dental records.

Journalists covering the storm, temporarily stirred to action, put a great deal of pressure on the federal government. Officials faced embarrassing questions about nearly every aspect of the emergency management – from the budget cuts that left the city vulnerable, to the competence of various political appointees managing the recovery and the obscenity of restoring power to the Jackson Square neighborhood long enough for the president to give a speech, then cutting it off again when he left.

Richard Stockton
Richard Stockton is a freelance science and technology writer from Sacramento, California.
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