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ATM 3DVAR with and without IAU #1113

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Merged
WalterKolczynski-NOAA merged 9 commits into from
Dec 12, 2022
Merged

ATM 3DVAR with and without IAU #1113

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b7495d4
3DVAR IAU options
NeilBarton-NOAA Aug 29, 2022
98bc2e5
Merge branch 'NOAA-EMC:develop' into ATM_3DVAR_IAUT
NeilBarton-NOAA Oct 13, 2022
efd23fc
Merge branch 'NOAA-EMC:develop' into ATM_3DVAR_IAUT
NeilBarton-NOAA Oct 19, 2022
44dcd02
Merge branch 'NOAA-EMC:develop' into ATM_3DVAR_IAUT
NeilBarton-NOAA Nov 8, 2022
3b39c89
Update parm/config/config.base.emc.dyn
NeilBarton-NOAA Nov 9, 2022
313987b
Update parm/config/config.base.emc.dyn
NeilBarton-NOAA Nov 9, 2022
c67191b
add if statement for clarity and add {} for syntax
NeilBarton-NOAA Nov 9, 2022
b6d8a17
simplifying the changes for IAU and 3DVAR*
NeilBarton-NOAA Dec 1, 2022
b75f2d8
adding quotes around .true. and .false.
NeilBarton-NOAA Dec 1, 2022
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21 changes: 16 additions & 5 deletions parm/config/config.base.emc.dyn
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Expand Up @@ -298,11 +298,6 @@ export IAU_OFFSET=6
export DOIAU_ENKF=${DOIAU:-"YES"} # Enable 4DIAU for EnKF ensemble
export IAUFHRS_ENKF="3,6,9"
export IAU_DELTHRS_ENKF=6
# Check if cycle is cold starting, DOIAU off, or free-forecast mode
if [[ "$MODE" = "cycled" && "$SDATE" = "$CDATE" && $EXP_WARM_START = ".false." ]] || [[ "$DOIAU" = "NO" ]] || [[ "$MODE" = "forecast-only" && $EXP_WARM_START = ".false." ]] ; then
export IAU_OFFSET=0
export IAU_FHROT=0
fi

# Use Jacobians in eupd and thereby remove need to run eomg
export lobsdiag_forenkf=".true."
Expand Down Expand Up @@ -332,6 +327,7 @@ export DO_JEDIENS="NO"
# Hybrid related
export DOHYBVAR="YES"
export NMEM_ENKF=@NMEM_ENKF@
export NMEM_EFCS=30
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aerorahul marked this conversation as resolved.
export SMOOTH_ENKF="NO"
export l4densvar=".true."
export lwrite4danl=".true."
Expand All @@ -340,6 +336,7 @@ export lwrite4danl=".true."
if [ $DOHYBVAR = "YES" ]; then
export FHMIN_ENKF=3
export FHMAX_ENKF=9
export FHMAX_ENKF_GFS=120
if [ $l4densvar = ".true." ]; then
export FHOUT=1
export FHOUT_ENKF=1
Expand All @@ -348,6 +345,20 @@ if [ $DOHYBVAR = "YES" ]; then
fi
fi

# if 3DVAR and IAU
if [[ ${DOHYBVAR} == "NO" && ${DOIAU} == "YES" ]]; then
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WalterKolczynski-NOAA marked this conversation as resolved.
export IAUFHRS="6"
export IAU_FHROT="3"
export IAU_FILTER_INCREMENTS=.true.
export IAUFHRS_ENKF="6"
fi

# Check if cycle is cold starting, DOIAU off, or free-forecast mode
if [[ "$MODE" = "cycled" && "$SDATE" = "$CDATE" && $EXP_WARM_START = ".false." ]] || [[ "$DOIAU" = "NO" ]] || [[ "$MODE" = "forecast-only" && $EXP_WARM_START = ".false." ]] ; then
export IAU_OFFSET=0
export IAU_FHROT=0
fi

# turned on nsst in anal and/or fcst steps, and turn off rtgsst
export DONST="YES"
if [ $DONST = "YES" ]; then export FNTSFA=" "; fi
Expand Down
1 change: 1 addition & 0 deletions ush/parsing_namelists_FV3.sh
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Expand Up @@ -396,6 +396,7 @@ if [ $DOIAU = "YES" ]; then
iau_delthrs = ${IAU_DELTHRS}
iau_inc_files= ${IAU_INC_FILES}
iau_drymassfixer = .false.
iau_filter_increments = ${IAU_FILTER_INCREMENTS:-.false.}
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WalterKolczynski-NOAA marked this conversation as resolved.
Outdated
EOF
fi

Expand Down