diff --git a/conf/real-from-d2-ana/simulation.yml b/conf/real-from-d2-ana/simulation.yml
index 5de3e4841b702b2cf99202afb1faa247f85cd86b..e90817fe5dc7f859c15e1719222e8d9245e81f63 100644
--- a/conf/real-from-d2-ana/simulation.yml
+++ b/conf/real-from-d2-ana/simulation.yml
@@ -4,6 +4,7 @@ simulation:
   external_parameters_filename: icon_extpar_0047_R19B07_L_20220601_tiles.nc
   lateral_boundary_grid_filename: icon_grid_0047_R19B07_L_lbc.nc
   parent_grid_filename: icon_grid_0028_R02B07_N02.nc
+  lbc_hhl_filepath: "%HPCROOTDIR%/proj/templates/real-from-d2-ana/HHL.grib"
 
   date_format: '%Y-%m-%dT%H:%M:%SZ'
   namelist_paths:
diff --git a/namelists/real-from-d2-ana/icon_atmosphere.namelist b/namelists/real-from-d2-ana/icon_atmosphere.namelist
index 894efcd8ab359389421c8b284368f4c969f204e8..1ee7542c2b9fd00df981b2cecf5321ed39227529 100644
--- a/namelists/real-from-d2-ana/icon_atmosphere.namelist
+++ b/namelists/real-from-d2-ana/icon_atmosphere.namelist
@@ -34,12 +34,12 @@
  inwp_psp                     = 1   ! PSP scheme 0(turn off) 1(turn one) 2(turn on with non-D wind pert)
  psp_scale                    = 5.0  ! scaling factor for stochastic perturbations scheme
  psp_rnd_seed                 = 31
- psp_apply_ddt_core = .False. ! True if vertical wind perturbations should be applied at the explicit dynamical core timestep
+ psp_apply_ddt_core = .false. ! True if vertical wind perturbations should be applied at the explicit dynamical core timestep
  inwp_gscp                    = 4   ! 1: default, 2: graupel scheme for convection-permitting scales
- ccn_type_gscp4              =  8   ! CB new namelist parameter: 
- ccn_type_gscp5              =  8   ! CB new namelist parameter: 
+ !ccn_type_gscp4              =  8   ! CB new namelist parameter: 
+ !ccn_type_gscp5              =  8   ! CB new namelist parameter: 
                                     !6: 100 maritime, 7: 500 intermediate, 8: 1700 continental, 9: 3200 polluted continental
- cloudnue_value              =  0   ! CB new namelist parameter for shape parameter (nu) of CDSD: 
+ !cloudnue_value              =  0   ! CB new namelist parameter for shape parameter (nu) of CDSD: 
                                     ! -> cloud_cosmo5 (mu=1/3): 0 (REF), 1, 2, 4, 8 
                                     ! -> cloud_nue1mue1 (mu=1): 1 (REF), 2, 4, 8 
  mu_rain                      = 0.5           ! new tuning becoming operational in July 2018
diff --git a/templates/real-from-d2-ana/HHL.grib b/templates/real-from-d2-ana/HHL.grib
new file mode 100644
index 0000000000000000000000000000000000000000..0325a918ed4cb48d41442cd353675bfd4329f131
Binary files /dev/null and b/templates/real-from-d2-ana/HHL.grib differ
diff --git a/templates/real-from-d2-ana/icon-remap-helper.py b/templates/real-from-d2-ana/icon-remap-helper.py
index 785deb2dd38f74a4634505fad3add8effbcbbd23..269e6d325e02981c48415a67bd0afc23dc34b616 100644
--- a/templates/real-from-d2-ana/icon-remap-helper.py
+++ b/templates/real-from-d2-ana/icon-remap-helper.py
@@ -186,7 +186,7 @@ def remap_one_file(in_grid, out_grid, one_file, dst_fodler, rename=None, src_vgr
         ext = ".grb"
     elif args.output_format == "nc":
         ext = ".nc"
-    if ext in ["grib", "grb", "grib2", "grb2"]:
+    if ext in [",grib", ",grb", ",grib2", ",grb2"]:
         out_filetype = 2
     else:
         out_filetype = 4
diff --git a/templates/real-from-d2-ana/prepare_date_remote.sh b/templates/real-from-d2-ana/prepare_date_remote.sh
index b1910df4c2dc044e00abb2c8b30fa2c9f6c82a36..2ac773500c7c42b857137332f867a39356387493 100644
--- a/templates/real-from-d2-ana/prepare_date_remote.sh
+++ b/templates/real-from-d2-ana/prepare_date_remote.sh
@@ -11,7 +11,16 @@ if [ "${IC_DATA_IS_LOCAL}" != "True" ]; then
   STARTDATE=%SDATE%
   HPCUSER=%HPCUSER%
   HPCHOST=%HPCHOST%
-  
+
+  . ${WORKDIR}/proj/platforms/common/spack_utils.sh
+  load_spack "%spack.init%" "%spack.root%" "%spack.url%" "%spack.branch%" "%spack.externals%" "%spack.compiler%" "%spack.disable_local_config%" "%spack.user_cache_path%" "%spack.user_config_path%" "%spack.upstreams%"
+
+  # Load icon module
+  spack load --first dwd-icon-tools
+
+  # Set environment variable for eccodes-dwd definitions:
+  source ${WORKDIR}/eccodes_defs.env
+
   # Define date directory, create it and go there
   COMMON_DATE_FOLDER=${WORKDIR}/${STARTDATE}/inidata
 
@@ -61,6 +70,8 @@ if [ "${IC_DATA_IS_LOCAL}" != "True" ]; then
   awk '{print $1}' an_inc_file.txt | xargs -I[] ln -sf [] .
   awk '{print $1}' fg_file.txt | xargs -I[] ln -sf [] .
 
+  grib_set -s stepRange=0,dataTime=0,dataDate=${STARTDATE:0:8} "%simulation.lbc_hhl_filepath%" ${COMMON_DATE_FOLDER}/HHL.grib 
+
   # Change permissions to read only.
   #chmod 440 ./*
 fi
\ No newline at end of file
diff --git a/templates/real-from-d2-ana/prepare_lbc_remote.sh b/templates/real-from-d2-ana/prepare_lbc_remote.sh
index f172ed30c28849bcd799bdc783cc7e32f445ea7d..3978035679374e1be331b1d7f9925086b7605168 100644
--- a/templates/real-from-d2-ana/prepare_lbc_remote.sh
+++ b/templates/real-from-d2-ana/prepare_lbc_remote.sh
@@ -80,16 +80,20 @@ if [ "${LBC_DATA_IS_LOCAL}" != "True" ]; then
     ${WORKDIR}/%python_environment.folder_name%/bin/python3 ${WORKDIR}/proj/templates/real-from-d2-ana/icon-remap-helper.py \
         --src-grid ${COMMON_GRID_FOLDER}/${PARENT_GRID_FILE} \
         --dst-grid ${COMMON_GRID_FOLDER}/${BOUNDARY_GRID_FILE} \
-        --source   work/iefff${EU_FC_TIME}0000.${MEMBER,} \
+        --source   work/iefff${EU_FC_TIME}0000.${MEMBER^} \
         --dest work/${MEMBER} \
         --output-format grb
 
 
     # rename to the comfortable style for ICON
-    mv work/${MEMBER}/iefff${EU_FC_TIME}0000.grb ${MEMBER_DIR}/latbc_${D2_FC_TIME}.${MEMBER,}.grib
+    mv work/${MEMBER}/iefff${EU_FC_TIME}0000.grb ${MEMBER_DIR}/latbc_${D2_FC_TIME}.${MEMBER^}.grib
 
   done
 
+  # add HHL
+  #grib_set -s stepRange=0,dataTime=2100,dataDate=${STARTDATE:0:8} ${COMMON_GRID_FOLDER}/HHL.grib 
+  cat ${COMMON_DATE_FOLDER}/HHL.grib >> ${MEMBER_DIR}/latbc_00000.${MEMBER^}.grib
+
   # clean up the working directory
   rm -r work/${MEMBER}
 
diff --git a/templates/real-from-d2-ana/prepare_member.sh b/templates/real-from-d2-ana/prepare_member.sh
index c6a57dfd3f76071ce0970a5bb89899e61cbd48bd..7250a08ef12dc8fcd3db976058321604b9b9eb9c 100644
--- a/templates/real-from-d2-ana/prepare_member.sh
+++ b/templates/real-from-d2-ana/prepare_member.sh
@@ -5,6 +5,7 @@ WORKDIR=%HPCROOTDIR%
 STARTDATE=%SDATE%
 MEMBER=%MEMBER%
 
+
 # Common folder with data needed for all simulations
 COMMON_INIDATA_FOLDER=${WORKDIR}/inidata
 # Common folder for the same start date
diff --git a/templates/real-from-d2-ana/prepare_namelist.py b/templates/real-from-d2-ana/prepare_namelist.py
index f59f115878cdd2a3866ad71bab1a9c8610c42dd6..3ea9988e56e22b6d086b6a377cffa66f16e9d70a 100644
--- a/templates/real-from-d2-ana/prepare_namelist.py
+++ b/templates/real-from-d2-ana/prepare_namelist.py
@@ -36,13 +36,13 @@ Chunk_END_DATE = datetime(year=int(END_YEAR), month=int(END_MONTH), day=int(END_
 
 # Read first-guess and analysis filenames from files:
 first_guess_filename = (
-    RUNDIR / f"fc_R19B07.{(Chunk_START_DATE-timedelta(minutes=5)).strftime('%Y%m%d%H%M')}00_an.{MEMBER[1:]}"
+    RUNDIR / f"fc_R19B07.{(Chunk_START_DATE-timedelta(minutes=5)).strftime('%Y%m%d%H%M')}00.{MEMBER[1:]}"
 )
 analysis_filename = RUNDIR / f"an_R19B07.{Chunk_START_DATE.strftime('%Y%m%d%H%M')}00_an.{MEMBER[1:]}"
 analysis_inc_filename = RUNDIR / f"an_R19B07.{Chunk_START_DATE.strftime('%Y%m%d%H%M')}00_inc.{MEMBER[1:]}"
 
 
-boundary_filename = RUNDIR / f"latbc_<dddhh>.{MEMBER}.grib"
+boundary_filename = f"latbc_<dddhh>.m{MEMBER[1:]}.grib"
 
 # Read custom namelist parameters from configuration
 atmosphere_namelist_string = """
@@ -75,17 +75,18 @@ atmosphere_namelist_replacements = {
         "dwdana_filename": str(analysis_inc_filename),
     },
     "limarea_nml": {
+        "latbc_path" : str(RUNDIR), 
         "latbc_filename": str(boundary_filename),
         "latbc_boundary_grid": "%simulation.lateral_boundary_grid_filename%",
     },
     "nwp_phy_nml": {
         "psp_rnd_seed": int(MEMBER[1:]),
-        "psp_apply_ddt_core": '.False.', # True if vertical wind perturbations should be applied at the explicit dynamical core timestep
+        #"psp_apply_ddt_core": ".false.", # True if vertical wind perturbations should be applied at the explicit dynamical core timestep
         "inwp_gscp": 4 ,               # 1: default, 2: graupel scheme for convection-permitting scales
-        "ccn_type_gscp4": 8,   # CB new namelist parameter: 
-        "ccn_type_gscp5": 8,   # CB new namelist parameter: 
+        #"ccn_type_gscp4": 8,   # CB new namelist parameter: 
+        #"ccn_type_gscp5": 8,   # CB new namelist parameter: 
             # 6: 100 maritime, 7: 500 intermediate, 8: 1700 continental, 9: 3200 polluted continental
-        "cloudnue_value": 0,   # CB new namelist parameter for shape parameter (nu) of CDSD: 
+        #"cloudnue_value": 0,   # CB new namelist parameter for shape parameter (nu) of CDSD: 
                             # -> cloud_cosmo5 (mu=1/3): 0 (REF), 1, 2, 4, 8 
                             # -> cloud_nue1mue1 (mu=1): 1 (REF), 2, 4, 8 
     },