beaufort scale

Noun (2)

1. an international scale of wind force from 0 (calm air) to 12 (hurricane)Synonyms: wind scaleType of scale, scale of measurementParts storm, hurricane, calm air, gentle breeze, fresh breeze, moderate gale, light air, moderate breeze +5 more
2. a scale from 0 to 12 for the force of the windType of system of measurement, metric