sh_tppn_zonal: precipitation flux
sh_evap_zonal: evaporation flux
sh_ps_zonal: air pressure at sea level
sh_ssh_zonal: surface upward sensible heat flux
sh_taux_zonal: surface stress (x)
sh_tauy_zonal: surface stress (y)
:
:
sh_cev_zonal: bulk coef. * wind (moisture)
sh_chv_zonal: bulk coef. * wind (heat)
sh_cmv_zonal: bulk coef. * wind (momentum)