• I was wondering what is the definition of wind gust and normal wind in application.
    For example, wind gust is 1sec or 3sec or 10 sec wind speed and normal wind is 10 min or 1 hour. Please let me know the your definition.

  • Sailor Moderator

    There no special definition of wind speed and gusts by Windy. Windy visualizes weather models and shows the models output for wind and gusts.
    The wind speed is generally based on 10 minutes averaged wind speed except in aeronautical forecasts and in USA using averaged wind on 2-minutes. The Saffir-Simpson scale used for hurricanes is based on 1-minute sustained wind.
    Gusts are averaged measures for 3 seconds
    Then the question is to know which standard is considered by each model. The model of ECMWF is probably calibrated on 10-min. wind. Is GFS based on 2-min. wind? I’ve never find any information about it.

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