Instead, after a tornado hits, the U.S. National Weather Service uses a rating system it adopted in 1973 called the Fujita Scale. Devised by meteorologist Theodore Fujita in 1970, the F-scale ...

He immersed himself in research on tornadoes and introduced the “Fujita Scale”, a six-point scale to classify degrees of tornado intensity.

Durban — The South African Weather Service (SAWS) has concluded that last week’s tornado in oThongathi can be rated as an EF3 on the Enhanced Fujita scale. This was contained in an extensive ...