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.

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

Under the Enhanced Fujita scale, there are seven categories of storm. The lowest category is EFU, which is used for storms that don't have enough data or cause enough damage to be classified.

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 ...

A team of meteorologists and engineers issued the Enhanced Fujita Scale. Among the experts who devised the new scale were two of Fujita’s former students: severe-weather experts Greg Forbes, SM’73, ...