Explaining the ratings of the Enhanced Fujita Scale. An EF4 tornado can cause devastating damage. These tornadoes can flatten well-constructed homes, and actually toss homes with weak foundations.

The strength of tornadoes is rated on the Enhanced Fujita, or EF, Scale. Storm chasing photographers take photos underneath a rotating supercell storm system in Maxwell, Nebraska on September 3, 2016.

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.

At first, the storm was rated an EF-4 on the Enhanced Fujita scale. Since then, it has been upgraded to an EF-5, the highest ranking on the scale. The is the the 59th level 5 storm in the past 63 ...

The original Fujita Scale was decommissioned in 2007. The basic concept of the Enhanced Fujita Scale is the same as the original Fujita Scale developed in the early 1970s.

Would a flood scale like those used for hurricanes and tornadoes have prompted different actions by Texas officals and the ...

The National Weather Service uses the Enhanced Fujita Scale, or EF-Scale, to assign a tornado a 'rating' based on estimated wind speeds and related damage.The Enhanced Fujita Scale - which ...

The National Weather Service uses the Enhanced Fujita Scale, or EF-Scale, to assign a tornado a 'rating' based on estimated wind speeds and related damage.The Enhanced Fujita Scale - which ...

The National Weather Service uses the Enhanced Fujita Scale, or EF-Scale, to assign a tornado a 'rating' based on estimated wind speeds and related damage.The Enhanced Fujita Scale - which ...

The National Weather Service uses the Enhanced Fujita Scale, or EF-Scale, to assign a tornado a 'rating' based on estimated wind speeds and related damage.The Enhanced Fujita Scale - which ...

The National Weather Service uses the Enhanced Fujita Scale, or EF-Scale, to assign a tornado a 'rating' based on estimated wind speeds and related damage.The Enhanced Fujita Scale - which ...