Fact : It was believed that the sudden drop in atmospheric pressure during a tornado would cause a sealed house to explode outward. Even the most powerful tornadoes (EF5) do not drop the air pressure low enough to cause a house to explode. Fact: Seeking shelter under a highway overpass is one of the most dangerous things you can do during a tornado. Myth: Lightning never strikes the same place twice. Fact: Lightning frequently strikes the exact same place multiple times, especially for tall, pointy, and isolated objects.