They Drilled the Plan. 200 People Walked Out.

One month before the deadliest US tornado in 60 years tore through Joplin, Missouri, the manager of Walmart Store #59 on Range Line Road sat down with his team and walked through the store's severe-weather plan. He identified the safest zone - the reinforced back section of the building - and made sure every associate knew exactly what to do. He would not be there when it mattered most.

5:34 PM, May 22, 2011

The EF-5 tornado touched down west of Joplin and cut a path 13 miles long and up to a mile wide through the heart of the city. By the time it reached Range Line Road, its winds were estimated at 225-250 mph. Walmart Store #59 - a large cinderblock supercenter - was directly in its path. Inside, 203 customers and employees were going about their Sunday evening shopping.

The manager was off duty. But his associates ran the plan anyway. They moved through the store calling out to customers, guiding them away from the vast glass storefront and the exposed outer walls, directing everyone toward the interior back section of the building. In the minutes before the structure came apart, employees stayed with customers and some positioned themselves to shield others as the roof gave way and the walls failed.

200 Out of 203

When it was over, 200 of the 203 people inside Walmart Store #59 were alive. Three customers perished. The building itself was devastated - the tornado had scoured asphalt from the parking lot and hurled tractor-trailers hundreds of yards into the structure. Yet the cinderblock construction worked in the survivors' favor: when block walls fail, they break apart rather than toppling as one continuous slab, reducing the zone of lethal collapse.

Across the Street

Fifty yards away, the Home Depot told a different story. Its tilt-up concrete construction - walls poured flat on site and tilted upright, secured primarily by the metal roof - became a death trap when the tornado stripped that roof away. Without support, the wall slabs fell like dominoes. Eight people perished inside. Employee Dean Wells, 59, had guided as many as 50 customers and staff to the break room at the back of the store before rushing back to help a father and two young children he spotted at the lumber entrance. He was found with them. All four died together.

Why the Plan Worked

Engineers and emergency-management researchers cited the Walmart outcome as a model of institutional preparedness. The difference was not luck - it was a documented internal review conducted a month before the storm, a trained team that acted without being told, and a building material that gave those 200 people just enough margin. The same EF-5 winds. The same street. The store was rebuilt, and many of the same employees returned to work there when it reopened. Joplin's tornado claimed 161 lives overall - the deadliest single tornado to strike the United States since 1947.