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  2. Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Fujita_scale

    The new scale more accurately matches wind speeds to the severity of damage caused by the tornado. [8] Though each damage level is associated with a wind speed, the Fujita scale is effectively a damage scale, and the wind speeds associated with the damage listed are not rigorously verified.

  3. Enhanced Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Fujita_scale

    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. None of the tornadoes in the United States recorded before February 1, 2007, will be ...

  4. International Fujita scale - Wikipedia

    en.wikipedia.org/wiki/International_Fujita_scale

    On May 6, 2023, version 0.99.9d was published, which changed it to a 9-step rating scale. [3] In this version, the wind speed damage indicator was introduced, which made it the first tornado intensity and damage scale to use measured wind speeds and Doppler weather radar measured wind speeds. [3]

  5. What is the Enhanced Fujita scale? What to know about EF ...

    www.aol.com/enhanced-fujita-scale-know-ef...

    What is the Enhanced Fujita scale? According to the National Weather Service, the EF scale assigns a tornado a rating based on highest wind speeds occurring within the damage path. It's been used ...

  6. Enhanced Fujita scale used to measure tornadoes' intensity ...

    www.aol.com/news/enhanced-fujita-scale-used...

    The Enhanced Fujita scale measures a tornado's intensity on a scale of 1 to 5 based on its wind speed estimates and resulting damages. The Enhanced Fujita scale measures a tornado's intensity on a ...

  7. The Enhanced Fujita scale measures how strong tornadoes ... - AOL

    www.aol.com/enhanced-fujita-scale-measures...

    The strength of tornadoes is rated on the Enhanced Fujita, or EF, Scale. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  8. List of F5, EF5, and IF5 tornadoes - Wikipedia

    en.wikipedia.org/wiki/List_of_F5,_EF5,_and_IF5...

    Late-May 1998 tornado outbreak and derecho – DOW recorded maximum wind speeds at 264 mph (425 km/h) at 160 ft (49 m) above ground level, which the NWS classified at almost ground level. Such wind speeds would fall well into the EF5 range on the Enhanced Fujita Scale, though the maximum damage intensity observed in the town of Spencer was F4.

  9. Tornado records - Wikipedia

    en.wikipedia.org/wiki/Tornado_records

    Wind speed of 261 mph (420 km/h) or 116 m/s in tornadoes observed by radar, organized by the highest confirmed wind speed. Official rating Date Location Minimum peak wind speed Maximum peak wind speed Highest confirmed peak wind speed F5 May 3, 1999: Bridge Creek, Oklahoma: 281 mph (452 km/h) 321 mph (517 km/h) 321 mph (517 km/h) [d]

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