\hypertarget{_g_f_s_v17_p8_page_gfsv_17_p8_suite_overview}{}\doxysubsection{Overview}\label{_g_f_s_v17_p8_page_gfsv_17_p8_suite_overview}
Version 17 of the Global Forecast System (GFS) is scheduled for operational implementation by the NOAA National Centers for Environmental Prediction (NCEP) in 2024. The GFS\+\_\+v17\+\_\+p8 suite is a prototype of the GFS\+\_\+v17 suite, and is expected to evolve before the implementation. It is available for use with the CCPP SCM. The primary differences between the GFS\+\_\+v16 and GFS\+\_\+v17\+\_\+p8 suites are\+:
\begin{DoxyItemize}
\item {\bfseries{Microphysics\+:}} The replacement of \mbox{\hyperlink{GFDL_cloud}{GFDL Cloud Microphysics Scheme}} with \mbox{\hyperlink{THOMPSON}{Thompson Aerosol-\/\+Aware Cloud Microphysics Scheme}}
\item {\bfseries{Deep}} {\bfseries{Cumulus\+:}} Add \mbox{\hyperlink{_g_f_s__s_a_m_fdeep_ca_page}{Cellular Automata Stochastic Convective Organization Scheme}}
\item {\bfseries{Gravity}} {\bfseries{Wave}} {\bfseries{Drag\+:}} The replacement of \mbox{\hyperlink{GFS_UGWP_v0}{Unified Gravity Wave Physics Scheme -\/ Version 0}} with \mbox{\hyperlink{GFS_UNIFIED_UGWP}{GFS Unified UGWP Scheme}}
\item {\bfseries{Land}} {\bfseries{Surface}} {\bfseries{Model\+:}} The replacement of \mbox{\hyperlink{GFS_NOAH}{GFS Noah Land Surface Model}} with \mbox{\hyperlink{NoahMP}{GFS Noah\+MP Land Surface Model}}
\end{DoxyItemize}

The GFS\+\_\+v17\+\_\+p8 suite uses the parameterizations in the following order\+:
\begin{DoxyItemize}
\item \mbox{\hyperlink{GFS_RRTMG}{GFS RRTMG Shortwave/\+Longwave Radiation Scheme}}
\item \mbox{\hyperlink{GFS_SFCLYR}{GFS Surface Layer Scheme}}
\item \mbox{\hyperlink{GFS_NSST}{GFS Near-\/\+Surface Sea Temperature Scheme}}
\item \mbox{\hyperlink{NoahMP}{GFS Noah\+MP Land Surface Model}}
\item \mbox{\hyperlink{GFS_SFCSICE}{GFS Sea Ice Scheme}}
\item \mbox{\hyperlink{GFS_SATMEDMFVDIFQ}{GFS Scale-\/aware TKE-\/based Moist Eddy-\/\+Diffusion Mass-\/\+Flux (EDMF) PBL and Free Atmospheric Turbulence Scheme}}
\item \mbox{\hyperlink{GFS_UNIFIED_UGWP}{GFS Unified UGWP Scheme}}
\item \mbox{\hyperlink{GFS_OZPHYS}{GFS Ozone Photochemistry (2015) Scheme}}
\item \mbox{\hyperlink{GFS_H2OPHYS}{GFS Stratospheric H2O Scheme}}
\item \mbox{\hyperlink{GFS_SAMFdeep}{GFS Scale-\/\+Aware Simplified Arakawa-\/\+Schubert (sa-\/\+SAS) Deep Convection Scheme}}
\item \mbox{\hyperlink{GFS_SAMFshal}{GFS SAS-\/based Mass-\/\+Flux Scheme for Shallow convection (sa-\/\+MF)}}
\item \mbox{\hyperlink{THOMPSON}{Thompson Aerosol-\/\+Aware Cloud Microphysics Scheme}}
\end{DoxyItemize}\hypertarget{_g_f_s_v17_p8_page_sdf_gfsv17p8}{}\doxysubsection{Suite Definition File}\label{_g_f_s_v17_p8_page_sdf_gfsv17p8}

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\hypertarget{_g_f_s_v17_p8_page_gfs17_nml_opt_des}{}\doxysubsection{Namelist}\label{_g_f_s_v17_p8_page_gfs17_nml_opt_des}

\begin{DoxyItemize}
\item General physics options 
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\item \mbox{\hyperlink{GFS_UNIFIED_UGWP}{GFS Unified UGWP Scheme}} related options 
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\item nstf\+\_\+name = $[2,0,0,0,0]^1 [2,1,0,0,0]^2$
\begin{DoxyItemize}
\item $^1$ NSST is on and coupled with spin up off
\item $^2$ NSST is on and coupled with spin up on 
\end{DoxyItemize}
\end{DoxyItemize}