diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04.yml b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
index e89dcb50c..5ea1e3426 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
@@ -17,9 +17,7 @@ jobs:
     env:
       NFHOME:     /home/runner/netcdf-fortran
       NFVERSION:  v4.5.3
-      bacio_ROOT: /home/runner/bacio
       sp_ROOT:    /home/runner/NCEPLIBS-sp
-      w3emc_ROOT: /home/runner/myw3emc
       SCM_ROOT:   /home/runner/work/ccpp-scm/ccpp-scm
       suites:     SCM_GFS_v15p2,SCM_GFS_v16,SCM_GFS_v17_p8,SCM_HRRR,SCM_RRFS_v1beta,SCM_RAP,SCM_WoFS_v0,SCM_GFS_v15p2_ps,SCM_GFS_v16_ps,SCM_GFS_v17_p8_ps,SCM_HRRR_ps,SCM_RRFS_v1beta_ps,SCM_RAP_ps,SCM_WoFS_v0_ps
 
@@ -68,23 +66,6 @@ jobs:
         echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
         echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
 
-    - name: Cache bacio library v2.4.1
-      id: cache-bacio-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/bacio
-        key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install bacio library v2.4.1
-      if: steps.cache-bacio-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.4.1 https://github.com/NOAA-EMC/NCEPLIBS-bacio.git bacio
-        cd bacio && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${bacio_ROOT} ../
-        make -j2
-        make install
-        echo "bacio_DIR=/home/runner/bacio/lib/cmake/bacio" >> $GITHUB_ENV
-
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
       uses: actions/cache@v3
@@ -102,23 +83,6 @@ jobs:
         make install
         echo "sp_DIR=/home/runner/NCEPLIBS-sp/lib/cmake/sp" >> $GITHUB_ENV
 
-    - name: Cache w3emc library v2.9.2
-      id: cache-w3emc-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/myw3emc
-        key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install w3emc library v2.9.2
-      if: steps.cache-w3emc-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.9.2 https://github.com/NOAA-EMC/NCEPLIBS-w3emc.git NCEPLIBS-w3emc
-        cd NCEPLIBS-w3emc && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${w3emc_ROOT} ../
-        make -j2
-        make install
-        echo "w3emc_DIR=/home/runner/myw3emc/lib/cmake/w3emc" >> $GITHUB_ENV
-
     - name: Install NetCDF C library
       run: |
         sudo apt-get update
diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
index 8bb7fcedb..2847d77db 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
@@ -17,9 +17,7 @@ jobs:
     # Environmental variables
     env:
       NETCDF:      /home/runner/netcdf
-      bacio_ROOT:  /home/runner/bacio
       sp_ROOT:     /home/runner/NCEPLIBS-sp
-      w3emc_ROOT:  /home/runner/myw3emc
       SCM_ROOT:    /home/runner/work/ccpp-scm/ccpp-scm
       zlib_ROOT:   /home/runner/zlib
       HDF5_ROOT:   /home/runner/hdf5
@@ -185,23 +183,6 @@ jobs:
         make
         make install
 
-    - name: Cache bacio library v2.4.1
-      id: cache-bacio-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/bacio
-        key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install bacio library v2.4.1
-      if: steps.cache-bacio-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.4.1 https://github.com/NOAA-EMC/NCEPLIBS-bacio.git bacio
-        cd bacio && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${bacio_ROOT} ../
-        make -j2
-        make install
-        echo "bacio_DIR=/home/runner/bacio/lib/cmake/bacio" >> $GITHUB_ENV
-
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
       uses: actions/cache@v3
@@ -219,23 +200,6 @@ jobs:
         make install
         echo "sp_DIR=/home/runner/NCEPLIBS-sp/lib/cmake/sp" >> $GITHUB_ENV
 
-    - name: Cache w3emc library v2.9.2
-      id: cache-w3emc-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/myw3emc
-        key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install w3emc library v2.9.2
-      if: steps.cache-w3emc-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.9.2 https://github.com/NOAA-EMC/NCEPLIBS-w3emc.git NCEPLIBS-w3emc
-        cd NCEPLIBS-w3emc && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${w3emc_ROOT} ../
-        make -j2
-        make install
-        echo "w3emc_DIR=/home/runner/myw3emc/lib/cmake/w3emc" >> $GITHUB_ENV
-
     #######################################################################################
     # Build and run SCM regression tests (ccpp-scm/test/rt_test_cases.py)
     #######################################################################################
diff --git a/.github/workflows/ci_run_scm_DEPHY.yml b/.github/workflows/ci_run_scm_DEPHY.yml
index 326eeb75e..c7728ece0 100644
--- a/.github/workflows/ci_run_scm_DEPHY.yml
+++ b/.github/workflows/ci_run_scm_DEPHY.yml
@@ -16,9 +16,6 @@ jobs:
     env:
       NFHOME:     /home/runner/netcdf-fortran
       NFVERSION:  v4.5.3
-      bacio_ROOT: /home/runner/bacio
-      sp_ROOT:    /home/runner/NCEPLIBS-sp
-      w3emc_ROOT: /home/runner/myw3emc
       SCM_ROOT:   /home/runner/work/ccpp-scm/ccpp-scm
       suites:     SCM_GFS_v16,SCM_GFS_v16_ps
 
@@ -66,57 +63,6 @@ jobs:
         echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
         echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
 
-    - name: Cache bacio library v2.4.1
-      id: cache-bacio-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/bacio
-        key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install bacio library v2.4.1
-      if: steps.cache-bacio-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.4.1 https://github.com/NOAA-EMC/NCEPLIBS-bacio.git bacio
-        cd bacio && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${bacio_ROOT} ../
-        make -j2
-        make install
-        echo "bacio_DIR=/home/runner/bacio/lib/cmake/bacio" >> $GITHUB_ENV
-
-    - name: Cache SP-library v2.3.3
-      id: cache-sp-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/NCEPLIBS-sp
-        key: cache-sp-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install SP-library v2.3.3
-      if: steps.cache-sp-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.3.3 https://github.com/NOAA-EMC/NCEPLIBS-sp.git NCEPLIBS-sp
-        cd NCEPLIBS-sp && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${sp_ROOT} ../
-        make -j2
-        make install
-        echo "sp_DIR=/home/runner/NCEPLIBS-sp/lib/cmake/sp" >> $GITHUB_ENV
-
-    - name: Cache w3emc library v2.9.2
-      id: cache-w3emc-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/myw3emc
-        key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install w3emc library v2.9.2
-      if: steps.cache-w3emc-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.9.2 https://github.com/NOAA-EMC/NCEPLIBS-w3emc.git NCEPLIBS-w3emc
-        cd NCEPLIBS-w3emc && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${w3emc_ROOT} ../
-        make -j2
-        make install
-        echo "w3emc_DIR=/home/runner/myw3emc/lib/cmake/w3emc" >> $GITHUB_ENV
-
     - name: Install NetCDF C library
       run: sudo apt-get install libnetcdf-dev
 
diff --git a/.github/workflows/ci_run_scm_rts.yml b/.github/workflows/ci_run_scm_rts.yml
index 89db8a0a6..97e3779f7 100644
--- a/.github/workflows/ci_run_scm_rts.yml
+++ b/.github/workflows/ci_run_scm_rts.yml
@@ -17,9 +17,7 @@ jobs:
     env:
       NFHOME:     /home/runner/netcdf-fortran
       NFVERSION:  v4.5.3
-      bacio_ROOT: /home/runner/bacio
       sp_ROOT:    /home/runner/NCEPLIBS-sp
-      w3emc_ROOT: /home/runner/myw3emc
       SCM_ROOT:   /home/runner/work/ccpp-scm/ccpp-scm
       suites:     SCM_GFS_v15p2,SCM_GFS_v16,SCM_GFS_v17_p8,SCM_HRRR,SCM_RRFS_v1beta,SCM_RAP,SCM_WoFS_v0,SCM_RRFS_v1,SCM_GFS_v17_HR3,SCM_GFS_v17_HR3_RRTMGP
       suites_ps:  SCM_GFS_v15p2_ps,SCM_GFS_v16_ps,SCM_GFS_v17_p8_ps,SCM_HRRR_ps,SCM_RRFS_v1beta_ps,SCM_RAP_ps,SCM_WoFS_v0_ps,SCM_RRFS_v1_ps,SCM_GFS_v17_HR3_ps,SCM_GFS_v17_HR3_RRTMGP_ps
@@ -72,23 +70,6 @@ jobs:
         echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
         echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
 
-    - name: Cache bacio library v2.4.1
-      id: cache-bacio-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/bacio
-        key: cache-bacio-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install bacio library v2.4.1
-      if: steps.cache-bacio-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.4.1 https://github.com/NOAA-EMC/NCEPLIBS-bacio.git bacio
-        cd bacio && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${bacio_ROOT} ../
-        make -j2
-        make install
-        echo "bacio_DIR=/home/runner/bacio/lib/cmake/bacio" >> $GITHUB_ENV
-
     - name: Cache SP-library v2.3.3
       id: cache-sp-fortran
       uses: actions/cache@v3
@@ -106,23 +87,6 @@ jobs:
         make install
         echo "sp_DIR=/home/runner/NCEPLIBS-sp/lib/cmake/sp" >> $GITHUB_ENV
 
-    - name: Cache w3emc library v2.9.2
-      id: cache-w3emc-fortran
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/myw3emc
-        key: cache-w3emc-fortran-${{matrix.fortran-compiler}}-key
-
-    - name: Install w3emc library v2.9.2
-      if: steps.cache-w3emc-fortran.outputs.cache-hit != 'true'
-      run: |
-        git clone --branch v2.9.2 https://github.com/NOAA-EMC/NCEPLIBS-w3emc.git NCEPLIBS-w3emc
-        cd NCEPLIBS-w3emc && mkdir build && cd build
-        cmake -DCMAKE_INSTALL_PREFIX=${w3emc_ROOT} ../
-        make -j2
-        make install
-        echo "w3emc_DIR=/home/runner/myw3emc/lib/cmake/w3emc" >> $GITHUB_ENV
-
     - name: Install NetCDF C library
       run: sudo apt-get install libnetcdf-dev
 
diff --git a/ccpp/config/ccpp_prebuild_config.py b/ccpp/config/ccpp_prebuild_config.py
index d68aaf98b..57e246766 100755
--- a/ccpp/config/ccpp_prebuild_config.py
+++ b/ccpp/config/ccpp_prebuild_config.py
@@ -17,6 +17,7 @@
     # actual variable definition files
     'ccpp/framework/src/ccpp_types.F90',
     'ccpp/physics/physics/hooks/machine.F',
+    'ccpp/physics/physics/tools/w3emc.F90',
     'ccpp/physics/physics/Radiation/RRTMG/radsw_param.f',
     'ccpp/physics/physics/Radiation/RRTMG/radlw_param.f',
     'ccpp/physics/physics/photochem/h2o_def.f',
diff --git a/ccpp/physics b/ccpp/physics
index 76cf93fc2..40ac1999e 160000
--- a/ccpp/physics
+++ b/ccpp/physics
@@ -1 +1 @@
-Subproject commit 76cf93fc26d7b843f6d89ed0ba4799fd5f2c21f7
+Subproject commit 40ac1999e8f9441cd5442a8851976d6f351baede
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7d0586090..1df88e8ef 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -49,7 +49,7 @@ RUN mkdir -p $NCEPLIBS_DIR/src && cd $NCEPLIBS_DIR/src \
   && mkdir NCEPLIBS-bacio/build && cd NCEPLIBS-bacio/build \
   && cmake -DCMAKE_INSTALL_PREFIX=$NCEPLIBS_DIR .. \
   && make VERBOSE=1 \
-  && make install 
+  && make install
 
 RUN cd $NCEPLIBS_DIR/src \
   && git clone -b v2.3.3 --recursive https://github.com/NOAA-EMC/NCEPLIBS-sp \
@@ -82,7 +82,7 @@ RUN cd /comsoftware \
   && make -j4
 
 # The analysis scripts have options for using LaTeX when making figure labels.
-# If you would like to install LaTeK, uncomment the section below. 
+# If you would like to install LaTeK, uncomment the section below.
 # Note: This will increase the image size by 1 GB.
 #USER root
 #RUN yum -y update \
diff --git a/scm/doc/TechGuide/chap_quick.rst b/scm/doc/TechGuide/chap_quick.rst
index f1524079e..bfcad197a 100644
--- a/scm/doc/TechGuide/chap_quick.rst
+++ b/scm/doc/TechGuide/chap_quick.rst
@@ -123,7 +123,7 @@ System Requirements, Libraries, and Tools
 The source code for the SCM and CCPP components is in the form of
 programs written in FORTRAN 90 (with some required features from the
 FORTRAN 2008 standard), and C. In addition, the model I/O
-relies on the NetCDF libraries, as well as the NCEP libraries ``bacio``, ``sp`` and ``w3emc``.
+relies on the NetCDF libraries.
 
 Beyond the standard shell scripts, the build
 system relies on use of the Python scripting language, along with cmake,
@@ -148,12 +148,6 @@ contains the following set of libraries needed for building the SCM:
 
  - Netcdf-FORTRAN (v4.6.0)
 
- - BACIO (v2.4.1) - Binary I/O Library
-
- - SP (v2.3.3) - Spectral Transformation Library
-
- - W3EMC (2.10.0) - GRIB decoder and encoder library
-
 Instructions for installing spack-stack can be found in the `spack-stack documentation <https://spack-stack.readthedocs.io/en/latest/>`__.
 Spack-stack is already installed and maintained on many HPC platforms, including NSF NCAR's Derecho, NOAA's Hera and
 Jet, and MSU's Orion.
@@ -239,9 +233,9 @@ or ``linux_gnu`` modules.
 
 If libraries were installed manually, users will need to set some environment variables
 needed for specifying the location of the various prerequisites. Users will need to set variables for the
-compilers (``CC``, ``CXX``, ``FC``), as well as the root directories for the library installs of NetCDF (``NetCDF_ROOT``),
-``bacio`` (``bacio_ROOT``), ``sp`` (``sp_ROOT``), and ``w3emc`` (``w3emc_ROOT``). This is the procedure used in the
-provided Dockerfile in ``ccpp-scm/docker/``, so users can reference that file for guidance on how to install this software
+compilers (``CC``, ``CXX``, ``FC``), as well as the root directories for the library installs of NetCDF (``NetCDF_ROOT``).
+This is the procedure used in the provided Dockerfile in ``ccpp-scm/docker/``,
+so users can reference that file for guidance on how to install this software
 and set these variables.
 
 
@@ -774,12 +768,6 @@ the Docker container contains all of this software built-in, you do not need to
 
 -  Python - 3.11.2
 
--  NCEPLIBS BACIO - v2.4.1
-
--  NCEPLIBS SP - v2.3.3
-
--  NCEPLIBS W3EMC  - v2.11.0
-
 A Docker image containing the SCM, CCPP, and its software prerequisites
 can be generated from the code in the software repository obtained by
 following the instructions in :numref:`Section %s <obtaining_code>`,
diff --git a/scm/doc/TechGuide/chap_repo.rst b/scm/doc/TechGuide/chap_repo.rst
index 36f0a10ce..02e7fbdb9 100644
--- a/scm/doc/TechGuide/chap_repo.rst
+++ b/scm/doc/TechGuide/chap_repo.rst
@@ -76,8 +76,8 @@ Continuous Integration
 The CCPP SCM GitHub repository is set up with Continuous Integration (CI) testing for building the SCM and running some simple test cases. These tests are run automatically on code changes before they are merged, and so ensures that new changes to the SCM do not break basic capabilities. The latest set of tests use the following combinations of SCM prerequisites:
 
 **Regression tests**
- - GNU compilers 11.4.0, Python 3.9.12, netCDF-c 4.7.3, netCDF-FORTRAN 4.5.3, bacio 2.4.1, sp 2.3.3, and w3emc 2.9.2
+ - GNU compilers 11.4.0, Python 3.9.12, netCDF-c 4.7.3, and netCDF-FORTRAN 4.5.3
 
 **Build tests**
 
-All tests use the same versions of NCEP-supported libraries: bacio 2.4.1, sp 2.3.3, and w3emc 2.9.2. Detailed information on these tests can be found in the definition files for these tests, stored in the SCM repository under ``ccpp-scm/.github/workflows``.
+Detailed information on these tests can be found in the definition files for these tests, stored in the SCM repository under ``ccpp-scm/.github/workflows``.
diff --git a/scm/etc/modules/derecho_gnu.lua b/scm/etc/modules/derecho_gnu.lua
index be07155c4..3bab76f8c 100644
--- a/scm/etc/modules/derecho_gnu.lua
+++ b/scm/etc/modules/derecho_gnu.lua
@@ -20,9 +20,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpicc")
 setenv("CMAKE_CXX_COMPILER","mpicxx")
diff --git a/scm/etc/modules/derecho_intel.lua b/scm/etc/modules/derecho_intel.lua
index 37f784bfe..8fb2be141 100644
--- a/scm/etc/modules/derecho_intel.lua
+++ b/scm/etc/modules/derecho_intel.lua
@@ -20,9 +20,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","cc")
 setenv("CMAKE_CXX_COMPILER","CC")
diff --git a/scm/etc/modules/hera_gnu.lua b/scm/etc/modules/hera_gnu.lua
index 0e28df2d0..ea4e09a84 100644
--- a/scm/etc/modules/hera_gnu.lua
+++ b/scm/etc/modules/hera_gnu.lua
@@ -20,9 +20,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpicc")
 setenv("CMAKE_CXX_COMPILER","mpicxx")
diff --git a/scm/etc/modules/hera_intel.lua b/scm/etc/modules/hera_intel.lua
index 6cdbf7d4c..ae55c69c5 100644
--- a/scm/etc/modules/hera_intel.lua
+++ b/scm/etc/modules/hera_intel.lua
@@ -19,9 +19,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpiicc")
 setenv("CMAKE_CXX_COMPILER","mpiicpc")
diff --git a/scm/etc/modules/jet_gnu.lua b/scm/etc/modules/jet_gnu.lua
index 96d5a1c97..2c5000255 100644
--- a/scm/etc/modules/jet_gnu.lua
+++ b/scm/etc/modules/jet_gnu.lua
@@ -21,9 +21,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpicc")
 setenv("CMAKE_CXX_COMPILER","mpicxx")
diff --git a/scm/etc/modules/jet_intel.lua b/scm/etc/modules/jet_intel.lua
index 8c232ed26..a4b33463e 100644
--- a/scm/etc/modules/jet_intel.lua
+++ b/scm/etc/modules/jet_intel.lua
@@ -21,9 +21,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpiicc")
 setenv("CMAKE_CXX_COMPILER","mpiicpc")
diff --git a/scm/etc/modules/linux_gnu.lua b/scm/etc/modules/linux_gnu.lua
index 1c0c65efa..ca899d943 100644
--- a/scm/etc/modules/linux_gnu.lua
+++ b/scm/etc/modules/linux_gnu.lua
@@ -23,11 +23,6 @@ load("netcdf-fortran/4.6.1")
 load("py-f90nml/1.4.3")
 load("py-netcdf4/1.5.8")
 
-
-load("bacio/2.4.1")
-load("sp/2.5.0")
-load("w3emc/2.10.0")
-
 setenv("CMAKE_C_COMPILER","mpicc")
 setenv("CMAKE_CXX_COMPILER","mpicxx")
 setenv("CMAKE_Fortran_COMPILER","mpif90")
diff --git a/scm/etc/modules/macos_clang.lua b/scm/etc/modules/macos_clang.lua
index 41aef7680..f97b5fd84 100644
--- a/scm/etc/modules/macos_clang.lua
+++ b/scm/etc/modules/macos_clang.lua
@@ -21,11 +21,6 @@ load("netcdf-fortran/4.6.1")
 load("py-f90nml/1.4.3")
 load("py-netcdf4/1.5.8")
 
-
-load("bacio/2.4.1")
-load("sp/2.5.0")
-load("w3emc/2.10.0")
-
 setenv("CMAKE_C_COMPILER","clang")
 setenv("CMAKE_CXX_COMPILER","clang++")
 setenv("CMAKE_Fortran_COMPILER","gfortran-12")
diff --git a/scm/etc/modules/orion_gnu.lua b/scm/etc/modules/orion_gnu.lua
index 17eb12b09..c21a75ef6 100644
--- a/scm/etc/modules/orion_gnu.lua
+++ b/scm/etc/modules/orion_gnu.lua
@@ -20,9 +20,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpicc")
 setenv("CMAKE_CXX_COMPILER","mpicxx")
diff --git a/scm/etc/modules/orion_intel.lua b/scm/etc/modules/orion_intel.lua
index 005119c5d..d6ee9f42e 100644
--- a/scm/etc/modules/orion_intel.lua
+++ b/scm/etc/modules/orion_intel.lua
@@ -20,9 +20,6 @@ load("py-netcdf4/1.5.8")
 
 load("netcdf-c/4.9.2")
 load("netcdf-fortran/4.6.0")
-load("bacio/2.4.1")
-load("sp/2.3.3")
-load("w3emc")
 
 setenv("CMAKE_C_COMPILER","mpiicc")
 setenv("CMAKE_CXX_COMPILER","mpiicpc")
diff --git a/scm/src/CMakeLists.txt b/scm/src/CMakeLists.txt
index af7152ce3..be0223f24 100644
--- a/scm/src/CMakeLists.txt
+++ b/scm/src/CMakeLists.txt
@@ -68,9 +68,6 @@ include(CMakeForceCompiler)
 SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/../../CMakeModules/Modules)
 
 find_package(NetCDF REQUIRED COMPONENTS C Fortran)
-find_package(bacio REQUIRED)
-find_package(sp    REQUIRED)
-find_package(w3emc REQUIRED)
 
 SET(CCPP_FRAMEWORK_SRC ${CMAKE_SOURCE_DIR}/../../ccpp/framework)
 SET(CCPP_PHYSICS_SRC ${CMAKE_SOURCE_DIR}/../../ccpp/physics)
@@ -288,9 +285,6 @@ if(OPENMP)
   TARGET_LINK_LIBRARIES(scm PUBLIC OpenMP::OpenMP_Fortran)
 endif()
 TARGET_LINK_LIBRARIES(scm NetCDF::NetCDF_Fortran)
-TARGET_LINK_LIBRARIES(scm bacio::bacio_4)
-TARGET_LINK_LIBRARIES(scm sp::sp_d)
-TARGET_LINK_LIBRARIES(scm w3emc::w3emc_d)
 TARGET_LINK_LIBRARIES(scm ccpp_framework)
 TARGET_LINK_LIBRARIES(scm ccpp_physics)
 
diff --git a/scm/src/GFS_typedefs.F90 b/scm/src/GFS_typedefs.F90
index 51e6ae1ed..c127bfd55 100644
--- a/scm/src/GFS_typedefs.F90
+++ b/scm/src/GFS_typedefs.F90
@@ -2,7 +2,8 @@ module GFS_typedefs
 
    use mpi_f08
    use machine,                  only: kind_phys, kind_dbl_prec, kind_sngl_prec
-     
+   use w3emc,                    only: w3difdat, w3kind
+
    use module_radsw_parameters,  only: topfsw_type, sfcfsw_type
    use module_radlw_parameters,  only: topflw_type, sfcflw_type
    use h2o_def,                  only: levh2o, h2o_coeff
diff --git a/scm/src/scm.F90 b/scm/src/scm.F90
index 9a05e974a..4e3cddf08 100644
--- a/scm/src/scm.F90
+++ b/scm/src/scm.F90
@@ -16,7 +16,8 @@ subroutine scm_main_sub()
   use scm_output
   use scm_type_defs
   use mpi_f08
-
+  use w3emc, only: w3movdat
+       
   use :: ccpp_static_api,                      &
          only: ccpp_physics_init,              &
                ccpp_physics_timestep_init,     &
diff --git a/scm/src/scm_input.F90 b/scm/src/scm_input.F90
index cc3effcd5..a913caaa4 100644
--- a/scm/src/scm_input.F90
+++ b/scm/src/scm_input.F90
@@ -7,6 +7,7 @@ module scm_input
 use scm_kinds, only : sp, dp, qp
 use netcdf
 use scm_type_defs, only: character_length
+use w3emc, only: w3difdat
 
 implicit none