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A sealed house is a stronger house. Modern engineering shows that keeping the "envelope" of the building closed helps maintain its structural stability. Opening a window provides a path for the wind to get under the roof, significantly increasing the likelihood that your home will suffer catastrophic damage. What You Should Do Instead
: Tornadoes can hit from any direction; no corner is safer than another. Stay under a sturdy workbench or away from heavy appliances. Myth : "Tornadoes don't hit big cities/mountains." open windows during tornado