Function Block BEAUFORT_SCALE

The Function Block BEAUFORT_SCALE determines the Beaufort Scale (Bft) from the wind speed.

Input Wind [m/s]

At the input, a number is expected. If the value is equal to or less than the specified wind strength at the input, the corresponding value in Bft of the scale is output.

Output [Bft]

The wind force according to Beaufort Scale (Bft). This is still used today in shipping.

Wind [m/s] Beaufort Meaning
up to 0.3 0 Calm
up to 1.6 1 Light Air
up to 3.4 2 Light Breeze
up to 5.5 3 Gentle Breeze
up to 8.0 4 Moderate Breeze
up to 10.8 5 Fresh Breeze
up to 13.9 6 Strong Breeze
up to 17.2 7 Near Gale
up to 20.8 8 Gale
up to 24.5 9 Strong Gale
up to 28.5 10 Storm
up to 32.7 11 Violent Storm
from 32.7 12 Hurricane