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The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.
The highest wind speed ever measured in a tornado, which is also the highest wind speed ever recorded on the planet, is 301 ± 20 mph (484 ± 32 km/h) in the F5 Bridge Creek-Moore, Oklahoma, tornado which killed 36 people. [120] The reading was taken about 100 feet (30 m) above the ground. [3]
Tornado damage to a house in Oklahoma County, Oklahoma, hit during the Tornado outbreak of May 10–13, 2010. Tornado intensity is the measure of wind speeds and potential risk produced by a tornado.
An EF1 tornado has wind speeds ranging from 86 to 100 mph. An EF2 tornado has wind speeds ranging from 111 to 135 mph, and winds of that force can cause some significant damage.
Tornadoes are measured on the enhanced Fujita scale, which begin with EF0, a tornado with winds between 65 and 85 miles per hour, and goes up to an EF5 with winds of more than 200 miles per hour.
Frame-home structural damage cannot exceed total destruction and debris dispersal, which constitutes F5 damage. A tornado with wind speeds greater than 319 miles per hour (513 km/h) is possible, as the 1999 Bridge Creek-Moore Tornado did have 321 mph (517 km/h) winds, but that measurement was not near ground level.
It was the strongest tornado to hit the United States since the EF4 tornado that hit Rolling Fork, Mississippi, on Mar. 24, 2023, with winds of 195 mph. Tuesday's twister was more than a half-mile ...
The calculated minimum wind threshold as stated beats both the 1999 Bridge Creek–Moore tornado and the 2013 El Reno, Oklahoma tornado for minimum possible maximum windspeed; however, the highest confirmed peak windspeeds are lower than the 1999 tornado. [55] [56] Winds were measured at 262–280 mph (422–451 km/h) using portable Doppler ...