Empirical measure describing wind speed based on observed conditions
"Violent storm" redirects here. For the video game, see Violent Storm.
A ship in a force 12 ("hurricane-force") storm at sea, the highest rated on the Beaufort scale
The Beaufort scale/ˈboʊfərt/ is an empiricalmeasure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale.