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  2. 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 ...

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

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

    Here's what to know about EF scale and how are tornadoes categorized: ... a tornado a rating based on highest wind speeds occurring within the damage path. It's been used since Feb. 1, 2007 ...

  4. Tornado intensity - Wikipedia

    en.wikipedia.org/wiki/Tornado_intensity

    Tornado intensity is the measure of wind speeds and potential risk produced by a tornado. Intensity can be measured by in situ or remote sensing measurements, but since these are impractical for wide-scale use, intensity is usually inferred by proxies , such as damage.

  5. Tornado records - Wikipedia

    en.wikipedia.org/wiki/Tornado_records

    A Doppler on Wheels observed the entire lifecycle of an EF2 tornado in Goshen County, Wyoming. The radar also observed a peak wind speed of 271 mph (436 km/h) at 15–20 m (49–66 ft) above the ground level. [45] F4 May 30, 1998: Spencer, South Dakota: 234 mph (377 km/h) 266 mph (428 km/h) 264 mph (425 km/h)

  6. Is a tornado watch or warning worse? Differences ... - AOL

    www.aol.com/tornado-watch-warning-worse...

    The EF Scale, used to assess wind speeds and damages of a tornado, incorporates 28 damage indicators such as building type, structures, and trees. The scale became operational in 2007 and is 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. 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.

  9. NWS: Two tornadoes in downtown Vero Beach as more ... - AOL

    www.aol.com/nws-two-tornadoes-downtown-vero...

    EF Scale for tornadoes. The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0: 65 to 85 mph. EF1: 86 to 110 mph. EF2: 111 to 135 mph. EF3: 136 to 165 mph. EF4: 166 to ...