Beaufort scaleBeaufort scale
a scale of wind force and speed
Origin of Beaufort scaleafter Sir Francis Beaufort (1774-1857), British naval officer who devised the original scale (1806)
A scale of wind force ranging from 0 (calm) to 12 (hurricane), corresponding with the velocity of wind at a set distance above ground or sea level.
Origin of Beaufort scaleAfter Sir Francis Beaufort, (1774–1857), British naval officer.