A GSI/NSST scripts change to follow a file name change in ufs_utils (last July)

[XuLi-NOAA]

Background

In ufs_utils, there was a file name change of the GSI/NSST foundation temperature analysis increment file, which is generated by GSI/NSST analysis. Correspondingly, there must be the same file name change in two GSI scripts: exglobal_atmos_analysis.sh and exgdas_enkf_sfc.sh

GSI scripts modifications

In ufs_utils, the file name has changed from GSI_FILE to NST_FILE, correspondingly, in the above two GSI scripts,

if [ $DONST = "YES" ]; then
    export NST_ANL="true."
    export NST_FILE=${NST_FILE:-$COMOUT/${APREFIX}dtfanl.nc}
else
    export NST_ANL=".false."
    export NST_FILE="NULL"
fi

need to be changed to

if [ $DONST = "YES" ]; then
    export NST_FILE=${NST_FILE:-$COMOUT/${APREFIX}dtfanl.nc}
else
    export NST_FILE="NULL"
fi

Note: NST_ANL related scripts have been removed. The reason is that, NST_ANL is actually not related to NSST. It was introduced to judge if an elevation correction is applied or not, in the case some lake surface temperature is assigned to be the SST in the same latitude. This is for old SST analysis used in GFS.