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