Web Extra: The Complete Beaufort Scale 0 (calm): less than 1 mph; calm, smoke rises vertically 1 (light air): 1-3 mph; direction of wind shown by smoke but not by wind vanes ...

A: The Beaufort scale is a method of estimating wind speed based on the general condition of the surface of a large body of water with respect to wind waves and swell. It is based on observation ...

Beaufort #0. Wind Description: Calm. Wind Speed: 0. Visual Clues: Neighbor’s overflowing trash container lid askew, but stationary. Scavenging crows dine without impediment.