add capability to dynamically generate GSI *info files

.github/CODEOWNERS

@@ -150,6 +150,7 @@ ush/bash_utils.sh
 ush/calcanl_gfs.py @CoryMartin-NOAA
 ush/calcinc_gfs.py @CoryMartin-NOAA
 ush/detect_machine.sh
+ush/create_gs_info.sh @jswhit2 @DavidHuber-NOAA
 ush/extractvars_tools.sh @EricSinsky-NOAA
 ush/file_utils.sh
 ush/forecast_det.sh @aerorahul

.gitignore

@@ -60,6 +60,7 @@ parm/gdas/spoc
 parm/gdas/stat
 parm/gdas/jcb-gdas
 parm/gdas/jcb-algorithms
+parm/gsinfo
 parm/monitor
 parm/post/nam_micro_lookup.dat
 parm/post/optics_luts_DUST.dat

.gitmodules

@@ -13,9 +13,10 @@
 [submodule "sorc/verif-global.fd"]
   path = sorc/verif-global.fd
   url = https://github.com/NOAA-EMC/EMC_verif-global.git
+# TODO: Point back to NOAA-EMC
 [submodule "sorc/gsi_enkf.fd"]
   path = sorc/gsi_enkf.fd
-  url = https://github.com/NOAA-EMC/GSI.git
+  url = https://github.com/DavidHuber-NOAA/GSI.git
 [submodule "sorc/gdas.cd"]
   path = sorc/gdas.cd
   url = https://github.com/NOAA-EMC/GDASApp.git

dev/parm/config/gfs/config.anal

@@ -150,6 +150,23 @@ if [[ ${RUN_ENVIR} == "emc" ]]; then
   #   fi
 fi
 
+if [[ ${USE_BUILD_GSINFO} == "YES" ]]; then
+   # these will be set based on date in scripts/exglobal_atmos_analysis.sh
+   export SATINFO="generate"
+   export CONVINFO="generate"
+   export OZINFO="generate"
+   # this can be over-ridden, for example to use NASA's netcdf ozone files use obs_input_reanl_nasa_ozone.txt.
+   export OBS_INPUT="${BUILD_GSINFO_DIR}/obs_input/obs_input_reanl_ncep_ozone.txt"
+
+   # Use 2m observations when constructing conventional obs info file
+   # can use 2m obs without enabling soil DA by setting USE_2M_OBS=YES in config.base
+   export USE_2M_OBS="${USE_2M_OBS:-DO_GSISOILDA}"
+else
+   export OBS_INPUT="${BUILD_GSINFO_DIR}/obs_input/obs_input_ops.txt"
+fi
+# path to "fixed" crtm coefficient files (needed for crtm < 3)
+export HIRS_FIX="${BUILD_GSINFO_DIR}/hirs_fix"
+
 # Flag to turn on (.true.) or off (.false.) the infrared cloud and aerosol detection software
 # for AIRS, CrIS, and IASI.  Default is .false.
 export AIRS_CADS=".false."

dev/parm/config/gfs/config.base.j2

@@ -184,6 +184,7 @@ if [[ "${RUN}" == "gfs" ]] ; then
 else
    export DOBNDPNT_WAVE="NO" 
 fi
+
 export FRAC_GRID=".true."
 export DO_NEST="NO" # Whether to run a global-nested domain
 if [[ "${DO_NEST:-NO}" == "YES" ]] ; then
@@ -384,6 +385,8 @@ export SMOOTH_ENKF="NO"
 export l4densvar=".true."
 export lwrite4danl=".true."
 export DO_CALC_INCREMENT="NO"
+export USE_BUILD_GSINFO="NO"
+export BUILD_GSINFO_DIR="${PARMgfs}/gsinfo"
 
 # Early-cycle EnKF parameters
 export NMEM_ENS_GFS="{{ NMEM_ENS_GFS }}"