    Specific humidity of water vapor [kg/kg] at full model levels,
               [real, dimension(:,:,nlev)]

    uwnd0      Zonal wind component [m/s] at full model levels,
               [real, dimension(:,:,nlev)]

    vwnd0      Meridional wind component [m/s] at full model levels,
               [real, dimension(:,:,nlev)]

    pres0      Pressure at full levels in pascals
               [real, dimension(:,:,nlev)]

    pres0_int  Pressure at half levels in pascals
               [real, dimension(:,:,