F5 tornado F5 tornado F5 tornado F5 tornado en.wikipedia.org F5 tornado Wikipedia http://en.wikipedia.org/wiki/Tornado_intensity_and_damage F5 tornado F5 tornado EF4 http://en.wikipedia.org/wiki/Tornado_intensity_and_damage T4 level tornado Wikipedia Wikipedia http://en.wikipedia.org/wiki/Tornado_intensity_and_damage EF-4 Tornado Wikipedia F5 tornado T4 level tornado