0 to 24 0 to 6 0 to 36 0 to 12
Hurricane Light Air Calm Strong Breeze
deciBel Scale Richter Scale Beaufort Scale Mercalli Scale
Gale Moderate Breeze Violent Storm Strong Breeze
15 9 18 12
Storm Calm Hurricane Strong Gale
Sea Conditions Wind Speed Humidity Air Pressure
50 10 100 30
200 50 500 100