Hi Mark- > Full Name: Mark Hughes > Email Address: address@hidden > Organization: Global Weather Dynamics, Inc > Package Version: > Operating System: > Hardware: > Description of problem: Hi, > > I would like to extract point data from a model which contains the GRIB wind > data. > > I see GDPOINT will work for scalar models, but how can I get wind data at a > specific lat/lon? You could run it twice - once with gfunc=uwnd and once with gfunc=vwnd. Or you could use drct (direction) and mag(wnd) for the wind speed. Otherwise, gdpoint and gdlist only support scalar data. Don Murray Ticket Details =================== Ticket ID: IVY-490026 Department: Support GEMPAK Priority: Normal Status: Open