Should Windows - Be Open Or Closed During A Tornado ((top))
A sealed house acts as a unified box. Once a window is opened, wind enters at high speeds, creating internal pressure that pushes up on the roof and out on the walls.
Stay away from rooms with wide roof spans like gymnasiums or living rooms with vaulted ceilings. The Verdict
Windows should be closed and remain closed during a tornado. The common myth that opening windows will “equalize pressure” and prevent structural damage is false and dangerous. All major meteorological and safety organizations (NOAA, FEMA, American Red Cross) strongly advise against opening windows.
Keep windows closed during a tornado. For decades, a popular myth suggested that opening windows would "equalize pressure" and prevent a house from exploding. Science has since proven this false. Opening windows actually makes your home more vulnerable to destruction. should windows be open or closed during a tornado
Instead of worrying about the windows, focus on these proven safety measures:
The old legend suggested that the low pressure inside a tornado would cause a house to explode due to the higher pressure inside the home. The theory was that opening windows would equalize the pressure and prevent the house from "exploding."
: Homes are not airtight and have enough natural venting to manage most atmospheric pressure changes. Most tornado damage is caused by violent horizontal winds and flying debris, not the pressure drop itself. Why Opening Windows Is Dangerous A sealed house acts as a unified box
This is false.
Do not open windows. Keep them closed to maintain the structural integrity of your home as much as possible and keep flying debris outside.
For decades, there was a common myth about opening windows to "equalize pressure," but meteorologists and safety experts have debunked this. Keeping windows closed is the safer choice. The Verdict Windows should be closed and remain
The idea that windows should be opened to "equalize pressure" is a dangerous myth.
: It was once believed that the extreme low pressure inside a tornado would cause a sealed house to "explode" as the higher internal pressure pushed outward.