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Create analysis files for early-cycle EnKF by default #1237

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Merged
WalterKolczynski-NOAA merged 6 commits into from
Jan 25, 2023
Merged

Create analysis files for early-cycle EnKF by default #1237

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11b408c
changes to allow early cycle enkf to produce analysis files by default
Jan 10, 2023
9b93f37
Merge branch 'NOAA-EMC:develop' into feature/default_early_cycle_enkf…
TravisElless-NOAA Jan 11, 2023
60ce604
Merge branch 'NOAA-EMC:develop' into feature/default_early_cycle_enkf…
TravisElless-NOAA Jan 17, 2023
17c16c1
Update early cycle DO_CALC variable name
Jan 17, 2023
68fac32
Merge branch 'develop' into feature/default_early_cycle_enkf_create_a…
TravisElless-NOAA Jan 25, 2023
1bb192d
update_conflict_files_via_clone
TravisElless-NOAA Jan 25, 2023
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3 changes: 3 additions & 0 deletions parm/config/config.base.emc.dyn
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Expand Up @@ -383,6 +383,9 @@ if [ $OUTPUT_FILE = "nemsio" ]; then
export DO_CALC_ANALYSIS="NO"
fi

# Write analysis files for early cycle EnKF
export DO_GFS_ENKF_CALC_INCREMENT="YES"

@aerorahul aerorahul Jan 14, 2023

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This is a picky comment.
Can we instead define this as DO_CALC_INCREMENT_ENKF_GFS.
Here are my reasons:

  1. The default is DO_CALC_INCREMENT
  2. If doing this for EnKF regardless of cycle, it could be extended to DO_CALC_INCREMENT_ENKF, similar to FHOUT_ENKF.
  3. If doing this for EnKF and only for the GFS, this could be extended to DO_CALC_INCREMENT_ENKF_GFS, similar to FHMAX_ENKF_GFS.

Other than that, the changes in this PR are fine.

Your thoughts?

@XianwuXue-NOAA XianwuXue-NOAA Jan 14, 2023

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I agree to use DO_CALC_INCREMENT_ENKF_GFS to be consistent with other variables.

@TravisElless-NOAA TravisElless-NOAA Jan 17, 2023

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This logic makes sense. A commit changing this variable name will be forthcoming.


# Stratospheric increments to zero
export INCVARS_ZERO_STRAT="'sphum_inc','liq_wat_inc','icmr_inc'"
export INCVARS_EFOLD="5"
Expand Down
11 changes: 7 additions & 4 deletions scripts/exgdas_enkf_ecen.sh
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Expand Up @@ -24,6 +24,7 @@ pwd=$(pwd)

# Base variables
CDATE=${CDATE:-"2010010100"}
CDUMP=${CDUMP:-"gdas"}
DONST=${DONST:-"NO"}
export CASE=${CASE:-384}
ntiles=${ntiles:-6}
Expand Down Expand Up @@ -60,8 +61,11 @@ FHMIN=${FHMIN_ECEN:-3}
FHMAX=${FHMAX_ECEN:-9}
FHOUT=${FHOUT_ECEN:-3}
FHSFC=${FHSFC_ECEN:-$FHMIN}
DO_CALC_INCREMENT=${DO_CALC_INCREMENT:-"NO"}

if [ $CDUMP = "gfs" ]; then
DO_CALC_INCREMENT=${DO_GFS_ENKF_CALC_INCREMENT:-"NO"}
else
DO_CALC_INCREMENT=${DO_CALC_INCREMENT:-"NO"}
fi

# global_chgres stuff
CHGRESNEMS=${CHGRESNEMS:-$HOMEgfs/exec/enkf_chgres_recenter.x}
Expand Down Expand Up @@ -328,8 +332,7 @@ if [ $DO_CALC_INCREMENT = "YES" ]; then
. prep_step

$NCP $CALCINCEXEC $DATA

rm calc_increment.nml
[[ -f calc_increment.nml ]] && rm calc_increment.nml
cat > calc_increment.nml << EOF
&setup
datapath = './'
Expand Down
9 changes: 7 additions & 2 deletions scripts/exgdas_enkf_update.sh
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Expand Up @@ -42,6 +42,7 @@ ENKFEXEC=${ENKFEXEC:-$HOMEgfs/exec/enkf.x}

# Cycling and forecast hour specific parameters
CDATE=${CDATE:-"2001010100"}
CDUMP=${CDUMP:-"gdas"}

# Filenames.
GPREFIX=${GPREFIX:-""}
Expand Down Expand Up @@ -84,7 +85,11 @@ cnvw_option=${cnvw_option:-".false."}
netcdf_diag=${netcdf_diag:-".true."}
modelspace_vloc=${modelspace_vloc:-".false."} # if true, 'vlocal_eig.dat' is needed
IAUFHRS_ENKF=${IAUFHRS_ENKF:-6}
DO_CALC_INCREMENT=${DO_CALC_INCREMENT:-"NO"}
if [ $CDUMP = "gfs" ]; then
DO_CALC_INCREMENT=${DO_GFS_ENKF_CALC_INCREMENT:-"NO"}
else
DO_CALC_INCREMENT=${DO_CALC_INCREMENT:-"NO"}
fi
INCREMENTS_TO_ZERO=${INCREMENTS_TO_ZERO:-"'NONE'"}

################################################################################
Expand All @@ -96,11 +101,11 @@ if [ $SUFFIX = ".nc" ]; then
use_gfs_ncio=".true."
use_gfs_nemsio=".false."
paranc=${paranc:-".true."}
WRITE_INCR_ZERO="incvars_to_zero= $INCREMENTS_TO_ZERO,"
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if [ $DO_CALC_INCREMENT = "YES" ]; then
write_fv3_incr=".false."
else
write_fv3_incr=".true."
WRITE_INCR_ZERO="incvars_to_zero= $INCREMENTS_TO_ZERO,"
fi
else
LEVS_ENKF=${LEVS_ENKF:-$($NEMSIOGET $ATMGES_ENSMEAN dimz | awk '{print $2}')}
Expand Down