8. Zephyr – May 30, 1909 This F4 tornado struck Zephyr in Brown County just before midnight. Much of the town was destroyed during the early morning hours, leaving little behind but empty lots.

On the Fujita scale, for a tornado to be classified as an F-5, its peak wind speeds must exceed 261 mph. For a tornado to be classified as an EF-5 on the EF-Scale, the estimated three-second gust ...

Both events observed three EF5/F5 tornadoes, but one difference is that the April 27th event saw one more EF4/F4 than in 1974. Some of the major differences would be the number of tornadoes and ...

This scale is a revised version of what was known as the Fujita Scale, or F-Scale. The difference becomes clear when using a recent tornado as an example. On April 27, the town of Marietta, Oklahoma, ...

On the Fujita scale, for a tornado to be classified as an F-5, its peak wind speeds must exceed 261 mph. For a tornado to be classified as an EF-5 on the EF-Scale, the estimated three-second gust ...

The difference becomes clear when using a recent tornado as an example. On April 27, the town of Marietta, Oklahoma, was hit by a tornado. That tornado was given a preliminary rating of EF4.