Our natural disaster is the 1999 Oklahoma City tornado . It happened on May 3-5, 1999. Hot air mixing with cold air caused our tornado. It was a EF5 tornado. There was 36 life's lost. It caused 1.5 billion dollars in damage. If you were in the natural disaster you would get on the southeast wall with all of you pillows, blankets, coats and mattresses and put yourself against the wall.