Beaufort's scale

Beaufort's scale
Beaufort's scale Beau"fort's scale` (Meteor.) A scale of wind force devised by Sir F. Beaufort, R. N., in 1805, in which the force is indicated by numbers from 0 to 12. [1913 Webster]

Note: The full scale is as follows: -- 0, calm; 1, light air; 2, light breeze; 3, gentle breeze; 4, moderate breeze; 5, fresh breeze; 6, strong breeze; 7, moderate gale; 8, fresh gale; 9, strong gale; 10, whole gale; 11, storm; 12, hurricane. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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