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Regards Ernst de Vreede, The Grib package is being refactored so the ftp site isn't up to date, but if you want I can make available an alpha version. There are 5 different horizontal coordinate systems in the file. So the projection part is correct. Robb... GDSkey = -1077043245 grid_type = 5 grid_name = Polar Stereographic projection Grid grid_shape_code = 0 grid_shape = spherical grid_radius_spherical_earth = 6367.47 Nx = 45 Ny = 39 La1 = 19.132 Lo1 = -185.837 ResCompFlag = 8 Winds = Relative LoV = -150.0 Dx = 190500.0 Dy = 190500.0 ProjFlag = 0 NpProj = true ScanningMode = 64 -------------------------------------------------------------------- GDSkey = -1986879641 grid_type = 5 grid_name = Polar Stereographic projection Grid grid_shape_code = 0 grid_shape = spherical grid_radius_spherical_earth = 6367.47 Nx = 129 Ny = 85 La1 = 7.838 Lo1 = -141.028 ResCompFlag = 8 Winds = Relative LoV = -105.0 Dx = 95250.0 Dy = 95250.0 ProjFlag = 0 NpProj = true ScanningMode = 64 -------------------------------------------------------------------- GDSkey = -824149193 grid_type = 3 grid_name = Lambert Conformal grid_shape_code = 0 grid_shape = spherical grid_radius_spherical_earth = 6367.47 Nx = 93 Ny = 65 La1 = 12.19 Lo1 = -133.459 ResCompFlag = 8 Winds = Relative LoV = -95.0 Dx = 81271.0 Dy = 81271.0 ProjFlag = 0 NpProj = true ScanningMode = 64 Latin1 = 25.0 Latin2 = 25.0 SpLat = 0.0 SpLon = 0.0 -------------------------------------------------------------------- GDSkey = 812370436 grid_type = 5 grid_name = Polar Stereographic projection Grid grid_shape_code = 0 grid_shape = spherical grid_radius_spherical_earth = 6367.47 Nx = 65 Ny = 43 La1 = 7.838 Lo1 = -141.028 ResCompFlag = 8 Winds = Relative LoV = -105.0 Dx = 190500.0 Dy = 190500.0grid_shape_code = 0 grid_shape = spherical grid_radius_spherical_earth = 6367.47 Nx = 65 Ny = 65 La1 = -20.826 Lo1 = -150.0 ResCompFlag = 8 Winds = Relative LoV = -105.0 Dx = 381000.0 Dy = 381000.0 ProjFlag = 0 NpProj = true ScanningMode = 64 ProjFlag = 0 NpProj = true ScanningMode = 64 -------------------------------------------------------------------- GDSkey = 583919417 grid_type = 5 grid_name = Polar Stereographic projection Grid Ticket Details =================== Ticket ID: DTR-787283 Department: Support netCDF Java Priority: Normal Status: Open