Fujita scale
Fujita scale
Definition
Fu·jita scale (fo̵̅o̅ jēt′ə)
noun
a numerical scale for measuring the wind speed and corresponding destructive power of a tornado, ranging from F0 (40-72 mph) to F6 (319-380 mph): see the Tornado Damage Potential Scale in the Reference Supplement
Etymology: after T. T. Fujita (1920-98), U.S. meteorologist who devised it
