Should You Close Interior Doors During A Tornado [new]

Wind. When a tornado strikes, the extreme wind speed creates a massive amount of lift and shear . If wind penetrates the house—through a broken window or an open door—it acts like a balloon inflating inside the structure. This internal pressure pushes outward on the walls and upward on the roof. Combined with the suction of the wind passing over the roof (the Bernoulli effect), this creates a recipe for structural failure. The goal is to keep the wind out , not let it in .