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.

Frankford-area residents weren't alerted June 30 to an EF-0 tornado, which the National Weather Service said caused no ...

EF-0 is the weakest tornado rating on the Enhanced Fujita Scale, with winds ranging from 65 to 85 mph. The survey reported 65 ...

HUMBOLDT, Iowa — New details released about a brief tornado in northern Humboldt County last Thursday establish it as an EF0.

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.

The tornado’s initial touchdown occurred at 6:45 p.m. Saturday. The EF2 tornado appeared five miles south of Kadoka and ...

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 was developed and implemented in 2007 to help meteorologists to assign ratings to tornados using an increased amount of detail that its predecessor, the Fujita (F) Scale. 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 Enhanced Fujita Scale, love it or hate it, is our current system for rating the hundreds of tornadoes that occur each year across the United States. To much chagrin, it rates tornadoes solely ...