For many the sound of a tornado is pure fear with a loud rushing sound that is impossibly loud if the tornado is close by. As an example, here is a link to a National Public Radio link on the sounds of a tornado. On this page host Liane Hansen speaks with physicist Al Bedard about the sounds of a tornado. Included in the audio file is a recording of a tornado. The interpretation of what the tornado sounds like is up to the listener. And this is from the National Weather Service Storm Prediction Center Tornado FAQ ...