diff --git a/regression/CMakeLists.txt b/regression/CMakeLists.txt
index 66babc768f..6f00844670 100644
--- a/regression/CMakeLists.txt
+++ b/regression/CMakeLists.txt
@@ -41,8 +41,7 @@ list(APPEND GSI_REG_TEST_NAMES
   global_3dvar global_4dvar global_4denvar
   hwrf_nmm_d2 hwrf_nmm_d3 rtma
   rrfs_3denvar_glbens netcdf_fv3_regional
-  hafs_3denvar_glbens hafs_4denvar_glbens
-  hafs_3denvar_hafens hafs_3denvar_hybens
+  hafs_4denvar_glbens hafs_3denvar_hybens
 )
 
 # EnKF regression test names
diff --git a/regression/hafs_3denvar_glbens.sh b/regression/hafs_3denvar_glbens.sh
deleted file mode 100755
index b9c5bb9336..0000000000
--- a/regression/hafs_3denvar_glbens.sh
+++ /dev/null
@@ -1,455 +0,0 @@
-set -x
-# Set variables used in script
-#   CLEAN up $tmpdir when finished (YES=remove, NO=leave alone)
-#   ncp is cp replacement, currently keep as /bin/cp
-
-UNCOMPRESS=gunzip
-CLEAN=NO
-ncp=/bin/cp
-nln="/bin/ln -sf"
-
-# HAFS test cases set up
-RUN_FGAT=YES  # use FGAT or not
-RUN_ENSDA=NO
-l4densvar=.false.
-nhr_obsbin=-1
-l_both_fv3sar_gfs_ens=.false.
-n_ens_gfs=5
-n_ens_fv3sar=5
-
-#
-# Set experiment name
-#
-exp=$jobname
-
-#-----------------------------------------------------------------------
-#
-# Extract from ADATE the starting year, month, day, and hour of the
-# forecast.  These are needed below for various operations.
-#
-#-----------------------------------------------------------------------
-#
-adate=${hafs_envar_adate}
-YYYYMMDDHH=$(date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2}")
-JJJ=$(date +%j -d "${adate:0:8} ${adate:8:2}")
-
-YYYY=${YYYYMMDDHH:0:4}
-MM=${YYYYMMDDHH:4:2}
-DD=${YYYYMMDDHH:6:2}
-HH=${YYYYMMDDHH:8:2}
-YYYYMMDD=${YYYYMMDDHH:0:8}
-PDY=${YYYYMMDD}
-cyc=${HH}
-# prior date and hour
-adateprior=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} - 6 hours"`
-
-ymdprior=$(echo ${adateprior} | cut -c1-8)
-hhprior=$(echo ${adateprior} | cut -c9-10)
-
-CDATEtm03=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} - 3 hours"`
-ymdtm03=$(echo ${CDATEtm03} | cut -c1-8)
-hhtm03=$(echo ${CDATEtm03} | cut -c9-10)
-
-CDATEtp03=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} + 3 hours"`
-ymdtp03=$(echo ${CDATEtp03} | cut -c1-8)
-hhtp03=$(echo ${CDATEtp03} | cut -c9-10)
-
-#
-#-----------------------------------------------------------------------
-#
-# go to working directory and save directory.
-# define fix and background path
-#
-#-----------------------------------------------------------------------
-# Set runtime and save directories
-tmpdir=$tmpdir/tmpreg_hafs_3denvar_glbens/${exp}
-savdir=$savdir/outreg_hafs_3denvar_glbens/${exp}
-
-# Set up $tmpdir
-rm -rf $tmpdir
-mkdir -p $tmpdir
-chgrp rstprod $tmpdir
-chmod 750 $tmpdir
-cd $tmpdir
-
-bkpath=${hafs_envar_ges}
-fixcrtm=${fixcrtm:-$CRTM_FIX}
-
-################################################################
-##### input data and fix directory #######################
-inputdata=${hafs_envar_ges}
-COMINgdas=${hafs_envar_ens}
-COMINobs=${hafs_envar_obs}
-COMINgfs=${hafs_envar_obs}
-WORKhafs=${hafs_envar_obs}
-##########################################################
-
-# use FGAT or not
-if [ ${RUN_FGAT} = "YES" ]; then
-  ln -sf ${inputdata}/coupler.res_03 .
-  ln -sf ${inputdata}/fv3_akbk_03 .
-  ln -sf ${inputdata}/fv3_sfcdata_03 .
-  ln -sf ${inputdata}/fv3_srfwnd_03 .
-  ln -sf ${inputdata}/fv3_dynvars_03 .
-  ln -sf ${inputdata}/fv3_tracer_03 .
-
-  ln -sf ${inputdata}/coupler.res_09 .
-  ln -sf ${inputdata}/fv3_akbk_09 .
-  ln -sf ${inputdata}/fv3_sfcdata_09 .
-  ln -sf ${inputdata}/fv3_srfwnd_09 .
-  ln -sf ${inputdata}/fv3_dynvars_09 .
-  ln -sf ${inputdata}/fv3_tracer_09 .
-fi
-
-# copy background and grib configuration files
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.coupler.res ./coupler.res
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_core.res.nc ./fv3_akbk
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.sfc_data.nc ./fv3_sfcdata
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_srf_wnd.res.tile1.nc ./fv3_srfwnd
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_core.res.tile1.nc ./fv3_dynvars
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_tracer.res.tile1.nc ./fv3_tracer
-
-cp ${bkpath}/oro_data.nc ./fv3_oro_data
-cp ${bkpath}/atmos_static.nc ./fv3_atmos_static
-cp ${bkpath}/grid_spec.nc ./fv3_grid_spec
-
-# create ensemble member file list
-if [ ${RUN_ENSDA} != "YES" ] || [ $l_both_fv3sar_gfs_ens = .true. ]; then
-# Link gdas ensemble members
-  mkdir -p ensemble_data
-  GSUFFIX=${GSUFFIX:-.nc}
-  if [ ${l4densvar:-.false.} = ".true." ]; then
-    fhrs="03 06 09"
-  else
-    fhrs="06"
-  fi
-  for fhh in $fhrs; do
-  rm -f filelist${fhh}
-  for mem in $(seq -f '%03g' 1 ${n_ens_gfs}); do
-    if [ -s ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}s${GSUFFIX:-.nc} ]; then
-      ${nln} ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}s${GSUFFIX:-.nc} ./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}
-    elif [ -s ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}${GSUFFIX:-.nc} ]; then
-      ${nln} ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}${GSUFFIX:-.nc} ./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}
-    fi
-    echo "./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}" >> filelist${fhh}
-  done
-  done
-fi
-
-if [ ${RUN_ENSDA} = "YES" ]; then
-  for mem in $(seq -f '%03g' 1 ${n_ens_fv3sar})
-  do
-    RESTARTens=${inputdata}
-    fhh="06"
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-    if [ ! -s ./fv3_ens_grid_spec ]; then
-      ln -sf ${RESTARTens}/grid_spec.nc ./fv3_ens_grid_spec
-    fi
-    if [ ${l4densvar:-.false.} = ".true." ]; then
-      export ENS_NSTARTHR=3
-      fhh="03"
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-      fhh="09"
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-    fi
-  done
-fi
-if [ ${RUN_ENSDA} != "YES" ]; then
-  export N_ENS=${n_ens_gfs}
-  export BETA_S0=${BETA_S0:-0.2}
-  export GRID_RATIO_ENS=1
-  export REGIONAL_ENSEMBLE_OPTION=1
-elif [ ${RUN_ENSDA} = "YES" ]; then
-  if [ $l_both_fv3sar_gfs_ens = .false. ]; then
-    export N_ENS=${n_ens_fv3sar}
-    export BETA_S0=${BETA_S0:-0.0}
-    export GRID_RATIO_ENS=2
-    export grid_ratio_fv3_regional=2
-    export REGIONAL_ENSEMBLE_OPTION=5
-  elif [ $l_both_fv3sar_gfs_ens = .true. ]; then
-    export N_ENS=$((${n_ens_gfs} + ${n_ens_fv3sar}))
-    export BETA_S0=${BETA_S0:-0.0}
-    export GRID_RATIO_ENS=2
-    export grid_ratio_fv3_regional=2
-    export REGIONAL_ENSEMBLE_OPTION=5
-  fi
-fi
-
-#-----------------------------------------------------------------------
-#
-# link observation files
-# copy observation files to working directory
-#
-#-----------------------------------------------------------------------
-
-# Link GFS/GDAS input and observation files
-COMIN_OBS=${COMIN_OBS:-${COMINobs}}
-COMIN_GFS=${COMIN_GFS:-${COMINgfs}}
-
-OPREFIX=${OPREFIX:-"gfs.t${cyc}z."}
-OSUFFIX=${OSUFFIX:-""}
-PREPQC=${PREPQC:-${COMIN_OBS}/${OPREFIX}prepbufr${OSUFFIX}}
-PREPQCPF=${PREPQCPF:-${COMIN_OBS}/${OPREFIX}prepbufr.acft_profiles${OSUFFIX}}
-NSSTBF=${NSSTBF:-${COMIN_OBS}/${OPREFIX}nsstbufr${OSUFFIX}}
-SATWND=${SATWND:-${COMIN_OBS}/${OPREFIX}satwnd.tm00.bufr_d${OSUFFIX}}
-SATWHR=${SATWHR:-${COMIN_OBS}/${OPREFIX}satwhr.tm00.bufr_d${OSUFFIX}}
-OSCATBF=${OSCATBF:-${COMIN_OBS}/${OPREFIX}oscatw.tm00.bufr_d${OSUFFIX}}
-RAPIDSCATBF=${RAPIDSCATBF:-${COMIN_OBS}/${OPREFIX}rapidscatw.tm00.bufr_d${OSUFFIX}}
-GSNDBF=${GSNDBF:-${COMIN_OBS}/${OPREFIX}goesnd.tm00.bufr_d${OSUFFIX}}
-GSNDBF1=${GSNDBF1:-${COMIN_OBS}/${OPREFIX}goesfv.tm00.bufr_d${OSUFFIX}}
-B1HRS2=${B1HRS2:-${COMIN_OBS}/${OPREFIX}1bhrs2.tm00.bufr_d${OSUFFIX}}
-B1MSU=${B1MSU:-${COMIN_OBS}/${OPREFIX}1bmsu.tm00.bufr_d${OSUFFIX}}
-B1HRS3=${B1HRS3:-${COMIN_OBS}/${OPREFIX}1bhrs3.tm00.bufr_d${OSUFFIX}}
-B1HRS4=${B1HRS4:-${COMIN_OBS}/${OPREFIX}1bhrs4.tm00.bufr_d${OSUFFIX}}
-B1AMUA=${B1AMUA:-${COMIN_OBS}/${OPREFIX}1bamua.tm00.bufr_d${OSUFFIX}}
-B1AMUB=${B1AMUB:-${COMIN_OBS}/${OPREFIX}1bamub.tm00.bufr_d${OSUFFIX}}
-B1MHS=${B1MHS:-${COMIN_OBS}/${OPREFIX}1bmhs.tm00.bufr_d${OSUFFIX}}
-ESHRS3=${ESHRS3:-${COMIN_OBS}/${OPREFIX}eshrs3.tm00.bufr_d${OSUFFIX}}
-ESAMUA=${ESAMUA:-${COMIN_OBS}/${OPREFIX}esamua.tm00.bufr_d${OSUFFIX}}
-ESAMUB=${ESAMUB:-${COMIN_OBS}/${OPREFIX}esamub.tm00.bufr_d${OSUFFIX}}
-ESMHS=${ESMHS:-${COMIN_OBS}/${OPREFIX}esmhs.tm00.bufr_d${OSUFFIX}}
-HRS3DB=${HRS3DB:-${COMIN_OBS}/${OPREFIX}hrs3db.tm00.bufr_d${OSUFFIX}}
-AMUADB=${AMUADB:-${COMIN_OBS}/${OPREFIX}amuadb.tm00.bufr_d${OSUFFIX}}
-AMUBDB=${AMUBDB:-${COMIN_OBS}/${OPREFIX}amubdb.tm00.bufr_d${OSUFFIX}}
-MHSDB=${MHSDB:-${COMIN_OBS}/${OPREFIX}mhsdb.tm00.bufr_d${OSUFFIX}}
-AIRSBF=${AIRSBF:-${COMIN_OBS}/${OPREFIX}airsev.tm00.bufr_d${OSUFFIX}}
-IASIBF=${IASIBF:-${COMIN_OBS}/${OPREFIX}mtiasi.tm00.bufr_d${OSUFFIX}}
-ESIASI=${ESIASI:-${COMIN_OBS}/${OPREFIX}esiasi.tm00.bufr_d${OSUFFIX}}
-IASIDB=${IASIDB:-${COMIN_OBS}/${OPREFIX}iasidb.tm00.bufr_d${OSUFFIX}}
-AMSREBF=${AMSREBF:-${COMIN_OBS}/${OPREFIX}amsre.tm00.bufr_d${OSUFFIX}}
-AMSR2BF=${AMSR2BF:-${COMIN_OBS}/${OPREFIX}amsr2.tm00.bufr_d${OSUFFIX}}
-GMI1CRBF=${GMI1CRBF:-${COMIN_OBS}/${OPREFIX}gmi1cr.tm00.bufr_d${OSUFFIX}}
-SAPHIRBF=${SAPHIRBF:-${COMIN_OBS}/${OPREFIX}saphir.tm00.bufr_d${OSUFFIX}}
-SEVIRIBF=${SEVIRIBF:-${COMIN_OBS}/${OPREFIX}sevcsr.tm00.bufr_d${OSUFFIX}}
-AHIBF=${AHIBF:-${COMIN_OBS}/${OPREFIX}ahicsr.tm00.bufr_d${OSUFFIX}}
-ABIBF=${ABIBF:-${COMIN_OBS}/${OPREFIX}gsrcsr.tm00.bufr_d${OSUFFIX}}
-CRISBF=${CRISBF:-${COMIN_OBS}/${OPREFIX}cris.tm00.bufr_d${OSUFFIX}}
-ESCRIS=${ESCRIS:-${COMIN_OBS}/${OPREFIX}escris.tm00.bufr_d${OSUFFIX}}
-CRISDB=${CRISDB:-${COMIN_OBS}/${OPREFIX}crisdb.tm00.bufr_d${OSUFFIX}}
-CRISFSBF=${CRISFSBF:-${COMIN_OBS}/${OPREFIX}crisf4.tm00.bufr_d${OSUFFIX}}
-ESCRISFS=${ESCRISFS:-${COMIN_OBS}/${OPREFIX}escrsf.tm00.bufr_d${OSUFFIX}}
-CRISFSDB=${CRISFSDB:-${COMIN_OBS}/${OPREFIX}crsfdb.tm00.bufr_d${OSUFFIX}}
-ATMSBF=${ATMSBF:-${COMIN_OBS}/${OPREFIX}atms.tm00.bufr_d${OSUFFIX}}
-ESATMS=${ESATMS:-${COMIN_OBS}/${OPREFIX}esatms.tm00.bufr_d${OSUFFIX}}
-ATMSDB=${ATMSDB:-${COMIN_OBS}/${OPREFIX}atmsdb.tm00.bufr_d${OSUFFIX}}
-ESATMS=${ESATMS:-${COMIN_OBS}/${OPREFIX}esatms.tm00.bufr_d${OSUFFIX}}
-ATMSDB=${ATMSDB:-${COMIN_OBS}/${OPREFIX}atmsdb.tm00.bufr_d${OSUFFIX}}
-SSMITBF=${SSMITBF:-${COMIN_OBS}/${OPREFIX}ssmit.tm00.bufr_d${OSUFFIX}}
-SSMISBF=${SSMISBF:-${COMIN_OBS}/${OPREFIX}ssmisu.tm00.bufr_d${OSUFFIX}}
-SBUVBF=${SBUVBF:-${COMIN_OBS}/${OPREFIX}osbuv8.tm00.bufr_d${OSUFFIX}}
-OMPSNPBF=${OMPSNPBF:-${COMIN_OBS}/${OPREFIX}ompsn8.tm00.bufr_d${OSUFFIX}}
-OMPSTCBF=${OMPSTCBF:-${COMIN_OBS}/${OPREFIX}ompst8.tm00.bufr_d${OSUFFIX}}
-GOMEBF=${GOMEBF:-${COMIN_OBS}/${OPREFIX}gome.tm00.bufr_d${OSUFFIX}}
-OMIBF=${OMIBF:-${COMIN_OBS}/${OPREFIX}omi.tm00.bufr_d${OSUFFIX}}
-MLSBF=${MLSBF:-${COMIN_OBS}/${OPREFIX}mls.tm00.bufr_d${OSUFFIX}}
-OMPSLPBF=${OMPSLPBF:-${COMIN_OBS}/${OPREFIX}ompslp.tm00.bufr_d${OSUFFIX}}
-SMIPCP=${SMIPCP:-${COMIN_OBS}/${OPREFIX}spssmi.tm00.bufr_d${OSUFFIX}}
-TMIPCP=${TMIPCP:-${COMIN_OBS}/${OPREFIX}sptrmm.tm00.bufr_d${OSUFFIX}}
-if [[ ${use_bufr_nr:-no} = "no" ]]; then
-  GPSROBF=${GPSROBF:-${COMIN_OBS}/${OPREFIX}gpsro.tm00.bufr_d${OSUFFIX}}
-else
-  GPSROBF=${GPSROBF:-${COMIN_OBS}/${OPREFIX}gpsro.tm00.bufr_d.nr}
-fi
-TCVITL=${TCVITL:-${COMIN_GFS}/${OPREFIX}syndata.tcvitals.tm00}
-B1AVHAM=${B1AVHAM:-${COMIN_OBS}/${OPREFIX}avcsam.tm00.bufr_d${OSUFFIX}}
-B1AVHPM=${B1AVHPM:-${COMIN_OBS}/${OPREFIX}avcspm.tm00.bufr_d${OSUFFIX}}
-
-# Observational data
-if [[ ${use_bufr_nr:-no} = "no" ]] && [ -s $PREPQC ]; then
-  $ncp -Lp $PREPQC     prepbufr
-else
-  touch prepbufr
-fi
-ln -sf $SATWND           satwndbufr
-ln -sf $SATWHR           satwhrbufr
-ln -sf $GSNDBF1          gsnd1bufr
-ln -sf $B1HRS3           hirs3bufr
-ln -sf $B1HRS4           hirs4bufr
-ln -sf $B1AMUA           amsuabufr
-ln -sf $B1MHS            mhsbufr
-ln -sf $ESHRS3           hirs3bufrears
-ln -sf $ESAMUA           amsuabufrears
-ln -sf $HRS3DB           hirs3bufr_db
-ln -sf $SBUVBF           sbuvbufr
-ln -sf $OMPSNPBF         ompsnpbufr
-ln -sf $OMPSTCBF         ompstcbufr
-ln -sf $GOMEBF           gomebufr
-ln -sf $OMIBF            omibufr
-ln -sf $MLSBF            mlsbufr
-ln -sf $AIRSBF           airsbufr
-ln -sf $IASIBF           iasibufr
-ln -sf $ESIASI           iasibufrears
-ln -sf $IASIDB           iasibufr_db
-ln -sf $AMSR2BF          amsr2bufr
-ln -sf $GMI1CRBF         gmibufr
-ln -sf $SAPHIRBF         saphirbufr
-ln -sf $SEVIRIBF         seviribufr
-ln -sf $CRISBF           crisbufr
-ln -sf $ESCRIS           crisbufrears
-ln -sf $CRISDB           crisbufr_db
-ln -sf $CRISFSBF         crisfsbufr
-ln -sf $ESCRISFS         crisfsbufrears
-ln -sf $CRISFSDB         crisfsbufr_db
-ln -sf $ATMSBF           atmsbufr
-ln -sf $ESATMS           atmsbufrears
-ln -sf $ATMSDB           atmsbufr_db
-ln -sf $SSMISBF          ssmisbufr
-ln -sf $GPSROBF          gpsrobufr
-ln -sf $TCVITL           tcvitl
-ln -sf $B1AVHAM          avhambufr
-ln -sf $B1AVHPM          avhpmbufr
-
-if [[ ${use_bufr_nr:-no} = "yes" ]]; then
-
-  if [ -s ${PREPQC}.nr ]; then
-    $ncp -L ${PREPQC}.nr    prepbufr
-  fi
-  ln -sf ${SAPHIRBF}.nr  saphirbufr
-
-fi
-# HAFS specific observations
-INTCOMobs=${WORKhafs}/obs_prep
-# Use updated prepbufr if exists
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.prepbufr ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.prepbufr prepbufr
-fi
-# cat tempdrop.prepbufr with drifting correction into prepbufr
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.tempdrop.prepbufr ]; then
-  cat ${INTCOMobs}/hafs.t${cyc}z.tempdrop.prepbufr >> prepbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.tldplr.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.tldplr.tm00.bufr_d tldplrbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.hdob.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.hdob.tm00.bufr_d hdobbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.nexrad.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.nexrad.tm00.bufr_d l2rwbufr
-fi
-
-
-#
-#-----------------------------------------------------------------------
-#
-# Create links to fix files in the FIXgsi directory.
-#
-#-----------------------------------------------------------------------
-
-ln -sf ${inputdata}/berror_stats .
-ln -sf ${inputdata}/satinfo .
-ln -sf ${inputdata}/atms_beamwidth.txt .
-ln -sf ${inputdata}/anavinfo .
-ln -sf ${inputdata}/convinfo .
-ln -sf ${inputdata}/ozinfo .
-ln -sf ${inputdata}/pcpinfo .
-ln -sf ${inputdata}/scaninfo .
-ln -sf ${inputdata}/errtable .
-ln -sf ${inputdata}/prepobs_prep.bufrtable .
-ln -sf ${inputdata}/bftab_sstphr .
-
-#-----------------------------------------------------------------------
-#
-# CRTM Spectral and Transmittance coefficients
-#
-#-----------------------------------------------------------------------
-emiscoef_IRwater=${fixcrtm}/Nalli.IRwater.EmisCoeff.bin
-emiscoef_IRice=${fixcrtm}/NPOESS.IRice.EmisCoeff.bin
-emiscoef_IRland=${fixcrtm}/NPOESS.IRland.EmisCoeff.bin
-emiscoef_IRsnow=${fixcrtm}/NPOESS.IRsnow.EmisCoeff.bin
-emiscoef_VISice=${fixcrtm}/NPOESS.VISice.EmisCoeff.bin
-emiscoef_VISland=${fixcrtm}/NPOESS.VISland.EmisCoeff.bin
-emiscoef_VISsnow=${fixcrtm}/NPOESS.VISsnow.EmisCoeff.bin
-emiscoef_VISwater=${fixcrtm}/NPOESS.VISwater.EmisCoeff.bin
-emiscoef_MWwater=${fixcrtm}/FASTEM6.MWwater.EmisCoeff.bin
-aercoef=${fixcrtm}/AerosolCoeff.bin
-cldcoef=${fixcrtm}/CloudCoeff.bin
-
-ln -sf ${emiscoef_IRwater} Nalli.IRwater.EmisCoeff.bin
-ln -sf $emiscoef_IRice ./NPOESS.IRice.EmisCoeff.bin
-ln -sf $emiscoef_IRsnow ./NPOESS.IRsnow.EmisCoeff.bin
-ln -sf $emiscoef_IRland ./NPOESS.IRland.EmisCoeff.bin
-ln -sf $emiscoef_VISice ./NPOESS.VISice.EmisCoeff.bin
-ln -sf $emiscoef_VISland ./NPOESS.VISland.EmisCoeff.bin
-ln -sf $emiscoef_VISsnow ./NPOESS.VISsnow.EmisCoeff.bin
-ln -sf $emiscoef_VISwater ./NPOESS.VISwater.EmisCoeff.bin
-ln -sf $emiscoef_MWwater ./FASTEM6.MWwater.EmisCoeff.bin
-ln -sf $aercoef  ./AerosolCoeff.bin
-ln -sf $cldcoef  ./CloudCoeff.bin
-
-
-# Copy CRTM coefficient files based on entries in satinfo file
-for file in $(awk '{if($1!~"!"){print $1}}' ./satinfo | sort | uniq) ;do
-   ln -sf ${fixcrtm}/${file}.SpcCoeff.bin ./
-   ln -sf ${fixcrtm}/${file}.TauCoeff.bin ./
-done
-
-# Read from previous cycles for satbias predictors (no online satbias) 
-PASSIVE_BC=.false.
-UPD_PRED=0
-ln -sf ${COMINgdas}/gdas.t${hhprior}z.abias           satbias_in
-ln -sf ${COMINgdas}/gdas.t${hhprior}z.abias_pc        satbias_pc
-
-#-----------------------------------------------------------------------
-#
-# Build the GSI namelist on-the-fly
-#
-#-----------------------------------------------------------------------
-#
-
-. $scripts/regression_nl_update.sh
-
-SETUP="$SETUP_update"
-GRIDOPTS="$GRIDOPTS_update"
-BKGVERR="$BKGVERR_update"
-ANBKGERR="$ANBKERR_update"
-JCOPTS="$JCOPTS_update"
-STRONGOPTS="$STRONGOPTS_update"
-OBSQC="$OBSQC_update"
-OBSINPUT="$OBSINPUT_update"
-SUPERRAD="$SUPERRAD_update"
-HYBRID_ENSEMBLE='ensemble_path="",'
-SINGLEOB="$SINGLEOB_update"
-
-if [ "$debug" = ".false." ]; then
-   . $scripts/regression_namelists.sh hafs_envar
-else
-   . $scripts/regression_namelists_db.sh hafs_envar
-fi
-
-cat << EOF > gsiparm.anl
-
-$gsi_namelist
-
-EOF
-
-# Copy executable and fixed files to $tmpdir
-if [[ $exp == *"updat"* ]]; then
-   $ncp $gsiexec_updat  ./gsi.x
-elif [[ $exp == *"contrl"* ]]; then
-   $ncp $gsiexec_contrl ./gsi.x
-fi
-
-# Run GSI
-cd $tmpdir
-echo "run gsi now"
-eval "$APRUN $tmpdir/gsi.x > stdout 2>&1"
-rc=$?
-exit $rc
-
-
-
diff --git a/regression/hafs_3denvar_hafens.sh b/regression/hafs_3denvar_hafens.sh
deleted file mode 100755
index 8ee5bdb6e9..0000000000
--- a/regression/hafs_3denvar_hafens.sh
+++ /dev/null
@@ -1,455 +0,0 @@
-set -x
-# Set variables used in script
-#   CLEAN up $tmpdir when finished (YES=remove, NO=leave alone)
-#   ncp is cp replacement, currently keep as /bin/cp
-
-UNCOMPRESS=gunzip
-CLEAN=NO
-ncp=/bin/cp
-nln="/bin/ln -sf"
-
-# HAFS test cases set up
-RUN_FGAT=YES  # use FGAT or not
-RUN_ENSDA=YES
-l4densvar=.false.
-nhr_obsbin=-1
-l_both_fv3sar_gfs_ens=.false.
-n_ens_gfs=5
-n_ens_fv3sar=5
-
-#
-# Set experiment name
-#
-exp=$jobname
-
-#-----------------------------------------------------------------------
-#
-# Extract from ADATE the starting year, month, day, and hour of the
-# forecast.  These are needed below for various operations.
-#
-#-----------------------------------------------------------------------
-#
-adate=${hafs_envar_adate}
-YYYYMMDDHH=$(date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2}")
-JJJ=$(date +%j -d "${adate:0:8} ${adate:8:2}")
-
-YYYY=${YYYYMMDDHH:0:4}
-MM=${YYYYMMDDHH:4:2}
-DD=${YYYYMMDDHH:6:2}
-HH=${YYYYMMDDHH:8:2}
-YYYYMMDD=${YYYYMMDDHH:0:8}
-PDY=${YYYYMMDD}
-cyc=${HH}
-# prior date and hour
-adateprior=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} - 6 hours"`
-
-ymdprior=$(echo ${adateprior} | cut -c1-8)
-hhprior=$(echo ${adateprior} | cut -c9-10)
-
-CDATEtm03=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} - 3 hours"`
-ymdtm03=$(echo ${CDATEtm03} | cut -c1-8)
-hhtm03=$(echo ${CDATEtm03} | cut -c9-10)
-
-CDATEtp03=`date +%Y%m%d%H -d "${adate:0:8} ${adate:8:2} + 3 hours"`
-ymdtp03=$(echo ${CDATEtp03} | cut -c1-8)
-hhtp03=$(echo ${CDATEtp03} | cut -c9-10)
-
-#
-#-----------------------------------------------------------------------
-#
-# go to working directory and save directory.
-# define fix and background path
-#
-#-----------------------------------------------------------------------
-# Set runtime and save directories
-tmpdir=$tmpdir/tmpreg_hafs_3denvar_hafens/${exp}
-savdir=$savdir/outreg_hafs_3denvar_hafens/${exp}
-
-# Set up $tmpdir
-rm -rf $tmpdir
-mkdir -p $tmpdir
-chgrp rstprod $tmpdir
-chmod 750 $tmpdir
-cd $tmpdir
-
-bkpath=${hafs_envar_ges}
-fixcrtm=${fixcrtm:-$CRTM_FIX}
-
-################################################################
-##### input data and fix directory #######################
-inputdata=${hafs_envar_ges}
-COMINgdas=${hafs_envar_ens}
-COMINobs=${hafs_envar_obs}
-COMINgfs=${hafs_envar_obs}
-WORKhafs=${hafs_envar_obs}
-##########################################################
-
-# use FGAT or not
-if [ ${RUN_FGAT} = "YES" ]; then
-  ln -sf ${inputdata}/coupler.res_03 .
-  ln -sf ${inputdata}/fv3_akbk_03 .
-  ln -sf ${inputdata}/fv3_sfcdata_03 .
-  ln -sf ${inputdata}/fv3_srfwnd_03 .
-  ln -sf ${inputdata}/fv3_dynvars_03 .
-  ln -sf ${inputdata}/fv3_tracer_03 .
-
-  ln -sf ${inputdata}/coupler.res_09 .
-  ln -sf ${inputdata}/fv3_akbk_09 .
-  ln -sf ${inputdata}/fv3_sfcdata_09 .
-  ln -sf ${inputdata}/fv3_srfwnd_09 .
-  ln -sf ${inputdata}/fv3_dynvars_09 .
-  ln -sf ${inputdata}/fv3_tracer_09 .
-fi
-
-# copy background and grib configuration files
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.coupler.res ./coupler.res
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_core.res.nc ./fv3_akbk
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.sfc_data.nc ./fv3_sfcdata
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_srf_wnd.res.tile1.nc ./fv3_srfwnd
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_core.res.tile1.nc ./fv3_dynvars
-cp ${bkpath}/${YYYYMMDD}.${HH}0000.fv_tracer.res.tile1.nc ./fv3_tracer
-
-cp ${bkpath}/oro_data.nc ./fv3_oro_data
-cp ${bkpath}/atmos_static.nc ./fv3_atmos_static
-cp ${bkpath}/grid_spec.nc ./fv3_grid_spec
-
-# create ensemble member file list
-if [ ${RUN_ENSDA} != "YES" ] || [ $l_both_fv3sar_gfs_ens = .true. ]; then
-# Link gdas ensemble members
-  mkdir -p ensemble_data
-  GSUFFIX=${GSUFFIX:-.nc}
-  if [ ${l4densvar:-.false.} = ".true." ]; then
-    fhrs="03 06 09"
-  else
-    fhrs="06"
-  fi
-  for fhh in $fhrs; do
-  rm -f filelist${fhh}
-  for mem in $(seq -f '%03g' 1 ${n_ens_gfs}); do
-    if [ -s ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}s${GSUFFIX:-.nc} ]; then
-      ${nln} ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}s${GSUFFIX:-.nc} ./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}
-    elif [ -s ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}${GSUFFIX:-.nc} ]; then
-      ${nln} ${COMINgdas}/enkfgdas.${ymdprior}/${hhprior}/atmos/mem${mem}/gdas.t${hhprior}z.atmf0${fhh}${GSUFFIX:-.nc} ./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}
-    fi
-    echo "./ensemble_data/enkfgdas.${ymdprior}${hhprior}.atmf0${fhh}_ens_${mem}" >> filelist${fhh}
-  done
-  done
-fi
-
-if [ ${RUN_ENSDA} = "YES" ]; then
-  for mem in $(seq -f '%03g' 1 ${n_ens_fv3sar})
-  do
-    RESTARTens=${inputdata}
-    fhh="06"
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-    ln -sf ${inputdata}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-    if [ ! -s ./fv3_ens_grid_spec ]; then
-      ln -sf ${RESTARTens}/grid_spec.nc ./fv3_ens_grid_spec
-    fi
-    if [ ${l4densvar:-.false.} = ".true." ]; then
-      export ENS_NSTARTHR=3
-      fhh="03"
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-      fhh="09"
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-coupler.res .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_akbk .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_sfcdata .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_srfwnd .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_dynvars .
-      ${nln} ${RESTARTens}/fv3SAR${fhh}_ens_mem${mem}-fv3_tracer .
-    fi
-  done
-fi
-if [ ${RUN_ENSDA} != "YES" ]; then
-  export N_ENS=${n_ens_gfs}
-  export BETA_S0=${BETA_S0:-0.2}
-  export GRID_RATIO_ENS=1
-  export REGIONAL_ENSEMBLE_OPTION=1
-elif [ ${RUN_ENSDA} = "YES" ]; then
-  if [ $l_both_fv3sar_gfs_ens = .false. ]; then
-    export N_ENS=${n_ens_fv3sar}
-    export BETA_S0=${BETA_S0:-0.0}
-    export GRID_RATIO_ENS=2
-    export grid_ratio_fv3_regional=2
-    export REGIONAL_ENSEMBLE_OPTION=5
-  elif [ $l_both_fv3sar_gfs_ens = .true. ]; then
-    export N_ENS=$((${n_ens_gfs} + ${n_ens_fv3sar}))
-    export BETA_S0=${BETA_S0:-0.0}
-    export GRID_RATIO_ENS=2
-    export grid_ratio_fv3_regional=2
-    export REGIONAL_ENSEMBLE_OPTION=5
-  fi
-fi
-
-#-----------------------------------------------------------------------
-#
-# link observation files
-# copy observation files to working directory
-#
-#-----------------------------------------------------------------------
-
-# Link GFS/GDAS input and observation files
-COMIN_OBS=${COMIN_OBS:-${COMINobs}}
-COMIN_GFS=${COMIN_GFS:-${COMINgfs}}
-
-OPREFIX=${OPREFIX:-"gfs.t${cyc}z."}
-OSUFFIX=${OSUFFIX:-""}
-PREPQC=${PREPQC:-${COMIN_OBS}/${OPREFIX}prepbufr${OSUFFIX}}
-PREPQCPF=${PREPQCPF:-${COMIN_OBS}/${OPREFIX}prepbufr.acft_profiles${OSUFFIX}}
-NSSTBF=${NSSTBF:-${COMIN_OBS}/${OPREFIX}nsstbufr${OSUFFIX}}
-SATWND=${SATWND:-${COMIN_OBS}/${OPREFIX}satwnd.tm00.bufr_d${OSUFFIX}}
-SATWHR=${SATWHR:-${COMIN_OBS}/${OPREFIX}satwhr.tm00.bufr_d${OSUFFIX}}
-OSCATBF=${OSCATBF:-${COMIN_OBS}/${OPREFIX}oscatw.tm00.bufr_d${OSUFFIX}}
-RAPIDSCATBF=${RAPIDSCATBF:-${COMIN_OBS}/${OPREFIX}rapidscatw.tm00.bufr_d${OSUFFIX}}
-GSNDBF=${GSNDBF:-${COMIN_OBS}/${OPREFIX}goesnd.tm00.bufr_d${OSUFFIX}}
-GSNDBF1=${GSNDBF1:-${COMIN_OBS}/${OPREFIX}goesfv.tm00.bufr_d${OSUFFIX}}
-B1HRS2=${B1HRS2:-${COMIN_OBS}/${OPREFIX}1bhrs2.tm00.bufr_d${OSUFFIX}}
-B1MSU=${B1MSU:-${COMIN_OBS}/${OPREFIX}1bmsu.tm00.bufr_d${OSUFFIX}}
-B1HRS3=${B1HRS3:-${COMIN_OBS}/${OPREFIX}1bhrs3.tm00.bufr_d${OSUFFIX}}
-B1HRS4=${B1HRS4:-${COMIN_OBS}/${OPREFIX}1bhrs4.tm00.bufr_d${OSUFFIX}}
-B1AMUA=${B1AMUA:-${COMIN_OBS}/${OPREFIX}1bamua.tm00.bufr_d${OSUFFIX}}
-B1AMUB=${B1AMUB:-${COMIN_OBS}/${OPREFIX}1bamub.tm00.bufr_d${OSUFFIX}}
-B1MHS=${B1MHS:-${COMIN_OBS}/${OPREFIX}1bmhs.tm00.bufr_d${OSUFFIX}}
-ESHRS3=${ESHRS3:-${COMIN_OBS}/${OPREFIX}eshrs3.tm00.bufr_d${OSUFFIX}}
-ESAMUA=${ESAMUA:-${COMIN_OBS}/${OPREFIX}esamua.tm00.bufr_d${OSUFFIX}}
-ESAMUB=${ESAMUB:-${COMIN_OBS}/${OPREFIX}esamub.tm00.bufr_d${OSUFFIX}}
-ESMHS=${ESMHS:-${COMIN_OBS}/${OPREFIX}esmhs.tm00.bufr_d${OSUFFIX}}
-HRS3DB=${HRS3DB:-${COMIN_OBS}/${OPREFIX}hrs3db.tm00.bufr_d${OSUFFIX}}
-AMUADB=${AMUADB:-${COMIN_OBS}/${OPREFIX}amuadb.tm00.bufr_d${OSUFFIX}}
-AMUBDB=${AMUBDB:-${COMIN_OBS}/${OPREFIX}amubdb.tm00.bufr_d${OSUFFIX}}
-MHSDB=${MHSDB:-${COMIN_OBS}/${OPREFIX}mhsdb.tm00.bufr_d${OSUFFIX}}
-AIRSBF=${AIRSBF:-${COMIN_OBS}/${OPREFIX}airsev.tm00.bufr_d${OSUFFIX}}
-IASIBF=${IASIBF:-${COMIN_OBS}/${OPREFIX}mtiasi.tm00.bufr_d${OSUFFIX}}
-ESIASI=${ESIASI:-${COMIN_OBS}/${OPREFIX}esiasi.tm00.bufr_d${OSUFFIX}}
-IASIDB=${IASIDB:-${COMIN_OBS}/${OPREFIX}iasidb.tm00.bufr_d${OSUFFIX}}
-AMSREBF=${AMSREBF:-${COMIN_OBS}/${OPREFIX}amsre.tm00.bufr_d${OSUFFIX}}
-AMSR2BF=${AMSR2BF:-${COMIN_OBS}/${OPREFIX}amsr2.tm00.bufr_d${OSUFFIX}}
-GMI1CRBF=${GMI1CRBF:-${COMIN_OBS}/${OPREFIX}gmi1cr.tm00.bufr_d${OSUFFIX}}
-SAPHIRBF=${SAPHIRBF:-${COMIN_OBS}/${OPREFIX}saphir.tm00.bufr_d${OSUFFIX}}
-SEVIRIBF=${SEVIRIBF:-${COMIN_OBS}/${OPREFIX}sevcsr.tm00.bufr_d${OSUFFIX}}
-AHIBF=${AHIBF:-${COMIN_OBS}/${OPREFIX}ahicsr.tm00.bufr_d${OSUFFIX}}
-ABIBF=${ABIBF:-${COMIN_OBS}/${OPREFIX}gsrcsr.tm00.bufr_d${OSUFFIX}}
-CRISBF=${CRISBF:-${COMIN_OBS}/${OPREFIX}cris.tm00.bufr_d${OSUFFIX}}
-ESCRIS=${ESCRIS:-${COMIN_OBS}/${OPREFIX}escris.tm00.bufr_d${OSUFFIX}}
-CRISDB=${CRISDB:-${COMIN_OBS}/${OPREFIX}crisdb.tm00.bufr_d${OSUFFIX}}
-CRISFSBF=${CRISFSBF:-${COMIN_OBS}/${OPREFIX}crisf4.tm00.bufr_d${OSUFFIX}}
-ESCRISFS=${ESCRISFS:-${COMIN_OBS}/${OPREFIX}escrsf.tm00.bufr_d${OSUFFIX}}
-CRISFSDB=${CRISFSDB:-${COMIN_OBS}/${OPREFIX}crsfdb.tm00.bufr_d${OSUFFIX}}
-ATMSBF=${ATMSBF:-${COMIN_OBS}/${OPREFIX}atms.tm00.bufr_d${OSUFFIX}}
-ESATMS=${ESATMS:-${COMIN_OBS}/${OPREFIX}esatms.tm00.bufr_d${OSUFFIX}}
-ATMSDB=${ATMSDB:-${COMIN_OBS}/${OPREFIX}atmsdb.tm00.bufr_d${OSUFFIX}}
-ESATMS=${ESATMS:-${COMIN_OBS}/${OPREFIX}esatms.tm00.bufr_d${OSUFFIX}}
-ATMSDB=${ATMSDB:-${COMIN_OBS}/${OPREFIX}atmsdb.tm00.bufr_d${OSUFFIX}}
-SSMITBF=${SSMITBF:-${COMIN_OBS}/${OPREFIX}ssmit.tm00.bufr_d${OSUFFIX}}
-SSMISBF=${SSMISBF:-${COMIN_OBS}/${OPREFIX}ssmisu.tm00.bufr_d${OSUFFIX}}
-SBUVBF=${SBUVBF:-${COMIN_OBS}/${OPREFIX}osbuv8.tm00.bufr_d${OSUFFIX}}
-OMPSNPBF=${OMPSNPBF:-${COMIN_OBS}/${OPREFIX}ompsn8.tm00.bufr_d${OSUFFIX}}
-OMPSTCBF=${OMPSTCBF:-${COMIN_OBS}/${OPREFIX}ompst8.tm00.bufr_d${OSUFFIX}}
-GOMEBF=${GOMEBF:-${COMIN_OBS}/${OPREFIX}gome.tm00.bufr_d${OSUFFIX}}
-OMIBF=${OMIBF:-${COMIN_OBS}/${OPREFIX}omi.tm00.bufr_d${OSUFFIX}}
-MLSBF=${MLSBF:-${COMIN_OBS}/${OPREFIX}mls.tm00.bufr_d${OSUFFIX}}
-OMPSLPBF=${OMPSLPBF:-${COMIN_OBS}/${OPREFIX}ompslp.tm00.bufr_d${OSUFFIX}}
-SMIPCP=${SMIPCP:-${COMIN_OBS}/${OPREFIX}spssmi.tm00.bufr_d${OSUFFIX}}
-TMIPCP=${TMIPCP:-${COMIN_OBS}/${OPREFIX}sptrmm.tm00.bufr_d${OSUFFIX}}
-if [[ ${use_bufr_nr:-no} = "no" ]]; then
-  GPSROBF=${GPSROBF:-${COMIN_OBS}/${OPREFIX}gpsro.tm00.bufr_d${OSUFFIX}}
-else
-  GPSROBF=${GPSROBF:-${COMIN_OBS}/${OPREFIX}gpsro.tm00.bufr_d.nr}
-fi
-TCVITL=${TCVITL:-${COMIN_GFS}/${OPREFIX}syndata.tcvitals.tm00}
-B1AVHAM=${B1AVHAM:-${COMIN_OBS}/${OPREFIX}avcsam.tm00.bufr_d${OSUFFIX}}
-B1AVHPM=${B1AVHPM:-${COMIN_OBS}/${OPREFIX}avcspm.tm00.bufr_d${OSUFFIX}}
-
-# Observational data
-if [[ ${use_bufr_nr:-no} = "no" ]] && [ -s $PREPQC ]; then
-  $ncp -Lp $PREPQC     prepbufr
-else
-  touch prepbufr
-fi
-ln -sf $SATWND           satwndbufr
-ln -sf $SATWHR           satwhrbufr
-ln -sf $GSNDBF1          gsnd1bufr
-ln -sf $B1HRS3           hirs3bufr
-ln -sf $B1HRS4           hirs4bufr
-ln -sf $B1AMUA           amsuabufr
-ln -sf $B1MHS            mhsbufr
-ln -sf $ESHRS3           hirs3bufrears
-ln -sf $ESAMUA           amsuabufrears
-ln -sf $HRS3DB           hirs3bufr_db
-ln -sf $SBUVBF           sbuvbufr
-ln -sf $OMPSNPBF         ompsnpbufr
-ln -sf $OMPSTCBF         ompstcbufr
-ln -sf $GOMEBF           gomebufr
-ln -sf $OMIBF            omibufr
-ln -sf $MLSBF            mlsbufr
-ln -sf $AIRSBF           airsbufr
-ln -sf $IASIBF           iasibufr
-ln -sf $ESIASI           iasibufrears
-ln -sf $IASIDB           iasibufr_db
-ln -sf $AMSR2BF          amsr2bufr
-ln -sf $GMI1CRBF         gmibufr
-ln -sf $SAPHIRBF         saphirbufr
-ln -sf $SEVIRIBF         seviribufr
-ln -sf $CRISBF           crisbufr
-ln -sf $ESCRIS           crisbufrears
-ln -sf $CRISDB           crisbufr_db
-ln -sf $CRISFSBF         crisfsbufr
-ln -sf $ESCRISFS         crisfsbufrears
-ln -sf $CRISFSDB         crisfsbufr_db
-ln -sf $ATMSBF           atmsbufr
-ln -sf $ESATMS           atmsbufrears
-ln -sf $ATMSDB           atmsbufr_db
-ln -sf $SSMISBF          ssmisbufr
-ln -sf $GPSROBF          gpsrobufr
-ln -sf $TCVITL           tcvitl
-ln -sf $B1AVHAM          avhambufr
-ln -sf $B1AVHPM          avhpmbufr
-
-if [[ ${use_bufr_nr:-no} = "yes" ]]; then
-
-  if [ -s ${PREPQC}.nr ]; then
-    $ncp -L ${PREPQC}.nr    prepbufr
-  fi
-  ln -sf ${SAPHIRBF}.nr  saphirbufr
-
-fi
-# HAFS specific observations
-INTCOMobs=${WORKhafs}/obs_prep
-# Use updated prepbufr if exists
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.prepbufr ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.prepbufr prepbufr
-fi
-# cat tempdrop.prepbufr with drifting correction into prepbufr
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.tempdrop.prepbufr ]; then
-  cat ${INTCOMobs}/hafs.t${cyc}z.tempdrop.prepbufr >> prepbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.tldplr.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.tldplr.tm00.bufr_d tldplrbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.hdob.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.hdob.tm00.bufr_d hdobbufr
-fi
-if [ -s ${INTCOMobs}/hafs.t${cyc}z.nexrad.tm00.bufr_d ]; then
-  ln -s ${INTCOMobs}/hafs.t${cyc}z.nexrad.tm00.bufr_d l2rwbufr
-fi
-
-
-#
-#-----------------------------------------------------------------------
-#
-# Create links to fix files in the FIXgsi directory.
-#
-#-----------------------------------------------------------------------
-
-ln -sf ${inputdata}/berror_stats .
-ln -sf ${inputdata}/satinfo .
-ln -sf ${inputdata}/atms_beamwidth.txt .
-ln -sf ${inputdata}/anavinfo .
-ln -sf ${inputdata}/convinfo .
-ln -sf ${inputdata}/ozinfo .
-ln -sf ${inputdata}/pcpinfo .
-ln -sf ${inputdata}/scaninfo .
-ln -sf ${inputdata}/errtable .
-ln -sf ${inputdata}/prepobs_prep.bufrtable .
-ln -sf ${inputdata}/bftab_sstphr .
-
-#-----------------------------------------------------------------------
-#
-# CRTM Spectral and Transmittance coefficients
-#
-#-----------------------------------------------------------------------
-emiscoef_IRwater=${fixcrtm}/Nalli.IRwater.EmisCoeff.bin
-emiscoef_IRice=${fixcrtm}/NPOESS.IRice.EmisCoeff.bin
-emiscoef_IRland=${fixcrtm}/NPOESS.IRland.EmisCoeff.bin
-emiscoef_IRsnow=${fixcrtm}/NPOESS.IRsnow.EmisCoeff.bin
-emiscoef_VISice=${fixcrtm}/NPOESS.VISice.EmisCoeff.bin
-emiscoef_VISland=${fixcrtm}/NPOESS.VISland.EmisCoeff.bin
-emiscoef_VISsnow=${fixcrtm}/NPOESS.VISsnow.EmisCoeff.bin
-emiscoef_VISwater=${fixcrtm}/NPOESS.VISwater.EmisCoeff.bin
-emiscoef_MWwater=${fixcrtm}/FASTEM6.MWwater.EmisCoeff.bin
-aercoef=${fixcrtm}/AerosolCoeff.bin
-cldcoef=${fixcrtm}/CloudCoeff.bin
-
-ln -sf ${emiscoef_IRwater} Nalli.IRwater.EmisCoeff.bin
-ln -sf $emiscoef_IRice ./NPOESS.IRice.EmisCoeff.bin
-ln -sf $emiscoef_IRsnow ./NPOESS.IRsnow.EmisCoeff.bin
-ln -sf $emiscoef_IRland ./NPOESS.IRland.EmisCoeff.bin
-ln -sf $emiscoef_VISice ./NPOESS.VISice.EmisCoeff.bin
-ln -sf $emiscoef_VISland ./NPOESS.VISland.EmisCoeff.bin
-ln -sf $emiscoef_VISsnow ./NPOESS.VISsnow.EmisCoeff.bin
-ln -sf $emiscoef_VISwater ./NPOESS.VISwater.EmisCoeff.bin
-ln -sf $emiscoef_MWwater ./FASTEM6.MWwater.EmisCoeff.bin
-ln -sf $aercoef  ./AerosolCoeff.bin
-ln -sf $cldcoef  ./CloudCoeff.bin
-
-
-# Copy CRTM coefficient files based on entries in satinfo file
-for file in $(awk '{if($1!~"!"){print $1}}' ./satinfo | sort | uniq) ;do
-   ln -sf ${fixcrtm}/${file}.SpcCoeff.bin ./
-   ln -sf ${fixcrtm}/${file}.TauCoeff.bin ./
-done
-
-# Read from previous cycles for satbias predictors (no online satbias) 
-PASSIVE_BC=.false.
-UPD_PRED=0
-ln -sf ${COMINgdas}/gdas.t${hhprior}z.abias           satbias_in
-ln -sf ${COMINgdas}/gdas.t${hhprior}z.abias_pc        satbias_pc
-
-#-----------------------------------------------------------------------
-#
-# Build the GSI namelist on-the-fly
-#
-#-----------------------------------------------------------------------
-#
-
-. $scripts/regression_nl_update.sh
-
-SETUP="$SETUP_update"
-GRIDOPTS="$GRIDOPTS_update"
-BKGVERR="$BKGVERR_update"
-ANBKGERR="$ANBKERR_update"
-JCOPTS="$JCOPTS_update"
-STRONGOPTS="$STRONGOPTS_update"
-OBSQC="$OBSQC_update"
-OBSINPUT="$OBSINPUT_update"
-SUPERRAD="$SUPERRAD_update"
-HYBRID_ENSEMBLE='ensemble_path="",'
-SINGLEOB="$SINGLEOB_update"
-
-if [ "$debug" = ".false." ]; then
-   . $scripts/regression_namelists.sh hafs_envar
-else
-   . $scripts/regression_namelists_db.sh hafs_envar
-fi
-
-cat << EOF > gsiparm.anl
-
-$gsi_namelist
-
-EOF
-
-# Copy executable and fixed files to $tmpdir
-if [[ $exp == *"updat"* ]]; then
-   $ncp $gsiexec_updat  ./gsi.x
-elif [[ $exp == *"contrl"* ]]; then
-   $ncp $gsiexec_contrl ./gsi.x
-fi
-
-# Run GSI
-cd $tmpdir
-echo "run gsi now"
-eval "$APRUN $tmpdir/gsi.x > stdout 2>&1"
-rc=$?
-exit $rc
-
-
-
diff --git a/regression/multi_regression.sh b/regression/multi_regression.sh
index 98b289f392..a7caf8c674 100755
--- a/regression/multi_regression.sh
+++ b/regression/multi_regression.sh
@@ -5,9 +5,7 @@ regtests_all="global_3dvar
               global_4denvar
               netcdf_fv3_regional
               rrfs_3denvar_glbens
-              hafs_3denvar_glbens
               hafs_4denvar_glbens
-              hafs_3denvar_hafens
               hafs_3denvar_hybens
               rtma
               global_enkf"
@@ -17,9 +15,7 @@ regtests_debug="global_3dvar
                 global_4denvar
                 netcdf_fv3_regional
                 rrfs_3denvar_glbens
-                hafs_3denvar_glbens
                 hafs_4denvar_glbens
-                hafs_3denvar_hafens
                 hafs_3denvar_hybens
                 rtma
                 global_enkf"
diff --git a/regression/regression_param.sh b/regression/regression_param.sh
index 49e02d1f1f..5f43c2dc3c 100755
--- a/regression/regression_param.sh
+++ b/regression/regression_param.sh
@@ -192,7 +192,7 @@ case $regtest in
 
     ;;
 
-    hafs_3denvar_glbens | hafs_3denvar_hafens | hafs_3denvar_hybens)
+    hafs_3denvar_hybens)
 
         if [[ "$machine" = "Hera" ]]; then
             topts[1]="0:15:00" ; popts[1]="20/1/"  ; ropts[1]="/1"
@@ -221,6 +221,7 @@ case $regtest in
         scaling[1]=2; scaling[2]=10; scaling[3]=4
 
     ;;
+
     hafs_4denvar_glbens)
         if [[ "$machine" = "Hera" ]]; then
             topts[1]="0:15:00" ; popts[1]="20/1/"  ; ropts[1]="/1"