The Beaufort scale is used to measure wind force or the strength of the wind.
There are 12 points on the Beaufort scale, ranging from 0 (calm) to 12 (hurricane force).
The wind force is determined by observing the effects of the wind on land and sea, such as on trees, flags, and waves.
The Beaufort scale measures wind force in knots, with each point representing a certain range of wind speeds in knots.
The Beaufort scale is a subjective measure and can vary depending on the observer's experience and method of observation. However, it is still widely used by sailors and meteorologists as a general scale for wind force measurement.