Charles A. Giannetta

Meteorologist - Professor

Bath, Pa. USA

* * Bath, Pa. * *

The F-scale was devised by Professor T. Theodore Fujita of the University of Chicago.

This 6 point scale depicts the intensity for rating the strength and damage from Tornadoes.

It is based on rotational wind speeds estimated from property damage.

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* * F-Scale - Tornadoes - Dr. Fujuta * *

* F - Scale *	* Speed in MPH *
EF0	40 - 73
EF1	74 - 112
EF2	113 - 157
EF3	158 - 206
EF4	207 - 260
EF5	261 - 318

© 2013 Charles A. Giannetta

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