Emily Pike found the answer. She says the strongest winds officially recorded in a tornado were 302 mph, during an F5 tornado that struck Bridge Creek and Moore, Oklahoma on May 3, 1999. Sign up ...

Seventy years before the first public tornado warning and over a century prior to a nationwide Doppler radar network, the most violent of tornadoes tore through an Iowa town.

As a result, tornadoes that might have been classified as F5 under the old system could now be assigned an EF4 rating under the EF scale due to stricter criteria.

It's been six years this Monday since the last catastrophic EF5 tornado struck the United States, occurring in Moore, Oklahoma, on May 20, 2013. This is the second longest-streak without an EF5/F5 ...

Is an EF5 tornado stronger than F5? Due to the arbitrary nature of estimation in both scales, it cannot be claimed with absolute certainty that Twisters’ EF5 tornadoes are stronger than their F5 ...

Each of these would be a major weather event anywhere in the country. But in one bizarre day, both the strongest possible tornado and an epic snowstorm happened in the same state.

April 16 marks the anniversary of Tennessee's only officially documented F5 tornado in the history of the state. Fortunately, no one was killed.

A review of the deadly Planfield Tornado by the National Weather Service Between 3:15 p.m. and 3:45 p.m. CDT on August 28th, 1990, a violent F5 tornado ripped through Kendall and Will counties taki… ...

As a result, tornadoes that might have been classified as F5 under the old system could now be assigned an EF4 rating under the EF scale due to stricter criteria.