Around 1,200 tornadoes occur on average in the United States each year and every one of them gets its own rating on the Enhanced Fujita Scale.
May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...
The 1970 Lubbock tornado was a destructive storm that killed 26 people and caused over $100 million in damage. It was one of only two tornadoes ever considered for an experimental F6 rating, which was ...