It may be hard to believe that with an average of 1,200 tornadoes each year in the United States, we haven’t seen an EF5-rated twister in more than 11 years. But that doesn’t mean the number ...

However, the most powerful tornadoes, classified as EF5, make up less than 1% of all tornadoes in the United States, and it has been nearly 12 years since one touched down. There have been many ...

On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 minutes of terror" for people on the ground, as the headlines read the next day. It killed ...