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Update stage IC to handle ocean perturbations #2364

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Merged
aerorahul merged 6 commits into from
Mar 1, 2024
Merged

Update stage IC to handle ocean perturbations #2364

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5cf91e9
GEFS stage ICs for C384 and with ocean perturbations
NeilBarton-NOAA Feb 29, 2024
1c670b0
edits for option to stage ocean perturbation files
NeilBarton-NOAA Feb 29, 2024
cb09d61
Update exglobal_stage_ic.sh
aerorahul Feb 29, 2024
a975e79
Update scripts/exglobal_stage_ic.sh
NeilBarton-NOAA Mar 1, 2024
03ed0ca
Update scripts/exglobal_stage_ic.sh
NeilBarton-NOAA Mar 1, 2024
c498ba3
Merge branch 'develop' into EP5d_stage_ics
aerorahul Mar 1, 2024
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4 changes: 4 additions & 0 deletions parm/config/gefs/config.base.emc.dyn
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Expand Up @@ -259,6 +259,10 @@ export NMEM_ENS=@NMEM_ENS@
export ENSMEM=${ENSMEM:-"000"}
export MEMDIR="mem${ENSMEM}"

# initialize ocean ensemble members with perturbations
# if true, only occurs for members greater than zero
export OCN_ENS_PERTURB_FILES=false

export DOIAU="NO" # While we are not doing IAU, we may want to warm start w/ IAU in the future
# Check if cycle is cold starting
if [[ "${EXP_WARM_START}" = ".false." ]]; then
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6 changes: 6 additions & 0 deletions parm/config/gefs/config.stage_ic
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Expand Up @@ -8,6 +8,12 @@ echo "BEGIN: config.stage_ic"
source "${EXPDIR}/config.resources" stage_ic

case "${CASE}" in
"C384")
export CPL_ATMIC=""
export CPL_ICEIC=""
export CPL_OCNIC=""
export CPL_WAVIC=""
;;
"C48")
export CPL_ATMIC="gefs_test"
export CPL_ICEIC="gefs_test"
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11 changes: 11 additions & 0 deletions scripts/exglobal_stage_ic.sh
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Expand Up @@ -104,6 +104,17 @@ for MEMDIR in "${MEMDIR_ARRAY[@]}"; do
;;
esac

# Ocean Perturbation Files
# Extra zero on MEMDIR ensure we have a number even if the string is empty
if (( 0${MEMDIR:3} > 0 )) && [[ "${OCN_ENS_PERTURB_FILES:-false}" == "true" ]]; then
src="${BASE_CPLIC}/${CPL_OCNIC:-}/${PDY}${cyc}/${MEMDIR}/ocean/${PDY}.${cyc}0000.mom6_increment.nc"
tgt="${COM_OCEAN_RESTART_PREV}/${PDY}.${cyc}0000.mom6_increment.nc"
${NCP} "${src}" "${tgt}"
rc=${?}
((rc != 0)) && error_message "${src}" "${tgt}" "${rc}"
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err=$((err + rc))
fi

# TODO: Do mediator restarts exists in a ATMW configuration?
# TODO: No mediator is presumably involved in an ATMA configuration
if [[ ${EXP_WARM_START:-".false."} = ".true." ]]; then
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