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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.
Near the tornado's peak intensity, they recorded a wind speed of 115–120 meters per second (260–270 miles per hour; 410–430 kilometers per hour). Though the portable radar had the uncertainty of ±5–10 metres per second (11–22 mph; 18–36 km/h), this reading was probably within the F5 range, confirming that tornadoes were capable of ...
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.
The most extreme tornadoes can attain wind speeds of more than 480 kilometers per hour (300 mph), can be more than 3 kilometers (2 mi) in diameter, and can stay on the ground for more than 100 km (62 mi). [3] [4] [5] Various types of tornadoes include the multiple-vortex tornado, landspout, and waterspout. Waterspouts are characterized by a ...
The National Weather Service in Birmingham, Alabama, noted the rating for this tornado was F4 on the Fujita scale, which has a wind speed range of 207 to 260 miles per hour (333 to 418 km/h). However, the wind speeds assigned to this tornado was between 210 and 261 miles per hour (338 and 420 km/h), indicating the potential that this tornado ...
The International Fujita scale (abbreviated as IF-Scale) is a scale that rates the intensity of tornadoes and other wind events based on the severity of the damage they cause. [1] It is used by the European Severe Storms Laboratory (ESSL) and various other organizations including Deutscher Wetterdienst (DWD) and State Meteorological Agency ...
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.
It was also explained that the EF5 starting wind speed should be 190 miles per hour (310 km/h) instead of 201 miles per hour (323 km/h). [58] Another large and violent tornado struck areas of DeKalb County, Alabama and Dade County, Georgia, particularly around the communities of Shiloh, Rainsville, and Henagar.