You searched for: “gustiness factors
gustiness factor (noun), gustiness factors (pl)
A measure of the intensity of wind bursts: A gustiness factor is expressed as a ratio of the total range of wind speeds between gusts and intermediate periods of lighter wind to the overall level of windspeed, which is averaged with both gusts and lulls.
This entry is located in the following unit: English Words in Action, Group G (page 5)