This is designed to be a study of economic and personal harm by natural events. It is based on an analysis of NOAA storm data for the years 1985-2011. The history of data goes back to 1950; a decision was made to cut older information due to lack of depth and age. It was found that, on average, tornadoes inflict the most personal harm in the United States, affecting approximately 32,000 Americans each year. On average, thunderstorm winds inflict the greatest economic damage in the United States, causing approximately $6B in damage each year.