Hi,If I am understanding your question correctly, then perhaps you may look into the old Ferret thread: https://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2017/msg00931.html (you may go to next/previous thread in that discussion to get full discussion)On Thu, Aug 9, 2018 at 12:53 PM, Sandeep Mohapatra <sandeepmohapatra21@xxxxxxxxx> wrote:sandeep mohapatraregardsAny script for that ?Hi,Can you please tell me how to calculate alongshore wind from zonal and meridional wind in ferret.G Satyesh