GFSDA.v16.1.0 RELEASE NOTES


PRELUDE

* The tag gfsda.v16.1.0 was created in the NOAA-EMC/GSI repository to 
  support the GFSv16.1 implementation and is included as a part of the 
  NOAA-EMC/global-workflow tag EMC-v16.1.0.  See release notes
  docs/Release_Notes.gfs.v16.1.0.txt in the NOAA-EMC/global-workflow 
  tag for more details on the motivation, workflow changes, and 
  implementation instructions.


FIX CHANGES

* fix/
  * global_convinfo.txt: Change GeoOptics (SAID=265) from -1 to 1 
    for active assimilation


SCRIPTS CHANGES

* scripts/
  * exgdas_atmos_chgres_forenkf.sh: Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_ecen.sh:  Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_fcst.sh:  Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_post.sh:  Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_select_obs.sh:  Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_sfc.sh:  Addresses GFSv16 bugzilla #1198
  * exgdas_enkf_update.sh:  Addresses GFSv16 bugzilla #1198
  * exglobal_atmos_analysis.sh:  Addresses GFSv16 bugzilla #1198, 
    adds default values for commercial RO parameters
  * exglobal_atmos_analysis_calc.sh:  Addresses GFSv16 bugzilla #1198
  * exglobal_diag.sh:  Addresses GFSv16 bugzilla #1198


SRC CHANGES

* src/
  * enkf/
     * gridio_gfs.f90: Changes delz calculation to negative definite

  * fv3gfs_ncio/
    *  module_fv3gfs_ncio.f90: Addresses GFSv16 bugzilla #1196

  * gsi/
    * cplr_gfs_ensmod.f90: Addresses GFSv16 bugzilla #1196
    * genstats_gps.f90: GPSRO bugfix 
    * gesinfo.F90: Addresses GFSv16 bugzilla #1196
    * gsimod.F90: Add commercial RO parameters
    * guess_grids.F90: Add commercial RO parameters
    * ncepnems_io.f90:  Changes delz calculation to negative definite
    * netcdfgfs_io.f90: Addresses GFSv16 bugzilla #1196 and delz sign bugfix
    * read_files.f90: Addresses GFSv16 bugzilla #1196
    * read_fl_hdob.f90: Addresses GFSv16 bugzilla #1205
    * setupbend.f90: New QC and error inflation for commercial RO
    * setuprad.f90:  Bugfix for radiance diags 
    * stop1.f90: Addresses GFSv16 bugzilla #1196
    * write_incr.f90: Delz bugfix


USH CHANGES

* ush/
  * build_all_cmake.sh: Addresses DA aspects of GFSv16 bugzillas 
    #216, #1218, and #1222
  * prune_4nco_global.sh: New script to address DA aspects of GFSv16 
    bugzillas #216 and #1222


UTIL CHANGES

* util/Radiance_Monitor/nwprod/gdas_radmon.v3.0.0/scripts/exgdas_atmos_verfrad.sh: 
  chgrp Megha-Tropiques SAPHIR radiance diagnostic file to rsptrod since 
  this is a restricted data type, partially address DA aspects of GFSv16 
  bugzilla #1221.


IMPLEMENTATION INSTRUCTIONS

* The GFS DA v16.1 tag must be installed in conjunction with the entire 
  GFS v16.1 package.  See release notes docs/Release_Notes.gfs.v16.1.0.txt 
  in the NOAA-EMC/global-workflow tag EMC-v16.1.0 tag for instructions.


PRE-IMPLEMENTATION TESTING REQUIREMENTS

* Which production jobs should be tested as part of this implementation?
  * The GFS DA package needs to be tested with the entire GFS suite.

* Does this change require a 30-day evaluation?
  * No.


DISSEMINATION INFORMATION

* Where should this output be sent?
  * No change from GFS v16.0

* Who are the users?
  * No change from GFS v16.0

* Which output files should be transferred from PROD WCOSS to DEV WCOSS?
  * No change from GFS v16.0

* Directory changes
  * No change from GFS v16.0

* File changes
  * No change from GFS v16.0


HPSS ARCHIVE

* No change from GFS v16.0


JOB DEPENDENCIES & FLOW DIAGRAM

* No change from GFSv16.0