Storm spotters reported a tornado in Alberta on Wednesday evening as severe thunderstorms developed over the province. 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 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.

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

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

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

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 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 ...