Definition of Fujita scale in English:

Fujita scale

Syllabification: Fu·ji·ta scale
Pronunciation: /fo͞oˈjēdə ˌskāl
(also Fujita-Pearson scale)


A scale of tornado severity with numbers from 0 to 6, based on the degree of observed damage.
More example sentences
  • Reports had it pegged as an F4 tornado on the Fujita scale, topping out with wind speeds in excess of two hundred forty miles per hour.
  • Rated at F2 on the Fujita scale, the storm would have inflicted great damage had it passed through a major town.
  • Tornadoes are measured by the Fujita scale, and this is shown as an F1 to F5 tornado.


mid 20th century: named after Dr. Tetsuya Theodore Fujita (1920–1988), the meteorologist who chiefly devised it.

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