The primary cause of home destruction during a tornado is high wind speeds and flying debris, not air pressure. Opening a window allows these violent winds to enter your home directly, where they can lift roofs from the inside and cause walls to collapse.
Opening windows during a tornado does not protect your home and actually increases the risk of severe damage and injury. should you open a window during a tornado
: If a tornado is strong enough to cause a significant pressure drop, it will likely blast the windows open or break them with debris anyway. What You Should Do Instead The primary cause of home destruction during a
Instead, follow these guidelines:
Tornado Safety Post: Should You Open Your Windows? : If a tornado is strong enough to
: Opening a window allows high-speed winds to enter your home, which can create internal pressure that actually pushes up on your roof, making it more likely to be torn off.
During a tornado, it's generally recommended to avoid opening windows. Here's why: