National Weather Service
National Weather Service: Weather Fatality, Injury and Damage Statistics
Web site that contains detailed statistics involving natural disasters by year and type of disaster. Statistics are available in .pdf format.
University of Wisconsin
Uw Madison: The Fujita Tornado Damage Scale
Here is a simple chart explaining the levels of tornado damage on the Fujita scale.
Curated OER
Science Kids: Science Images: Tornado Damage
This photo shows the shocking reality of the damage that can be caused by powerful tornadoes. This tornado left a catastrophic path of destruction through many homes and properties.