Cecil Cornish, one of the survivors of the EF5 tornado that struck Joplin, Missouri, in 2011, says he has received several ...

F/EF5 tornadoes since 1880. In the first table below, I list all of the tornadoes from 1880 to 1949 that Grazulis has classified as F5 strength and described in detail in his book.

Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. But does ...

The last tornado to have an EF5 damage rating occurred in Moore, Oklahoma, on May 20, 2013. Prior to that devastating twister, the U.S. had a half-dozen EF5-rated tornadoes in spring 2011.

EF5 tornado ratings are rare for two reasons: The first is that tornadoes of that intensity are uncommon events. Most tornadoes have wind speeds well under the 201 mph threshold for EF5, Lyza said.

An annual average of EF5 tornadoes yields just shy of one per year. But violent tornadoes can come in swarms. In the years when you have one, there is a decent chance that there’s more than one.

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 ...

Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. But does that mean the most violent tornadoes are disappearing? A new study gets ...

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 ...