#Beaufort_scale__wind_scale  an international scale of wind force from 0 (calm air) to 12 (hurricane)
  supertype:  system_of_measurement  scale_of_measurement
  part:  calm_air  wind moving at less than 1 knot; 0 on the Beaufort scale
  part:  light_air__lightair  wind moving 1-3 knots; 1 on the Beaufort scale
  part:  light_breeze__lightbreeze  wind moving 4-7 knots; 2 on the Beaufort scale
  part:  gentle_breeze  wind moving 8-12 knots; 3 on the Beaufort scale
  part:  moderate_breeze  wind moving 13-18 knots; 4 on the Beaufort scale
  part:  fresh_breeze__freshbreeze  wind moving 19-24 knots; 5 on the Beaufort scale
  part:  strong_breeze  wind moving 25-31 knots; 6 on the Beaufort scale
  part:  moderate_gale__near_gale  wind moving 32-38 knots; 7 on the Beaufort scale
  part:  fresh_gale__freshgale  wind moving 39-46 knots; 8 on the Beaufort scale
  part:  strong_gale  wind moving 47-54 knots; 9 on the Beaufort scale
  part:  whole_gale__wholegale  wind moving 55-63 knots; 10 on the Beaufort scale
  part:  violent_storm__violentstorm__storm  a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightening
     part:  storm_center.midpoint__stormcenter__storm_centre__stormcentre  the central area or place of lowest barometric pressure within a storm
  part:  hurricane  a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale)

No statement uses or specializes Beaufort_scale; click here to add one.