RELEASE NOTES:  global_shared_da.v6.2.3 --> global_shared.v13.0.0
 v6.0.0 - released Jun 16, 2015
 v6.1.0 - released Oct 02, 2015
 v6.2.0 - released Oct 27, 2015
 v6.2.1 - released Nov 10, 2015
 v6.2.2 - released Dec 15, 2015
 v6.2.3 - released Jan 19, 2016
v13.0.0 - released Feb 02, 2016

SVN HISTORY  (see EMC GSI Trac ticket #478, EMC GFS Trac ticket #236)
 * r57752 - create GLOBAL_RB.v6.0.0 as copy of r57678 trunk
 * r57803 - revise build to use modulefile
 * r57804 - update gdas, gfs, and global_shared directory version numbers 
 * r57808 - commit release notes
 * r59582 - merge r59495 GSI trunk into GLOBAL_RB.v6.0.0
 * r59583 - update SVN HISTORY in release notes
 * r59587 - restore r57803 Makefile.conf.wcoss
 * r59595 - first attempt at refactoring JGFS_ANALYSIS to be consistent with NCO WCOSS implementation standards
 * r60327 - merge r59731 and r60129 trunk into GLOBAL_RB.v6.0.0
 * r60342 - update SVN HISTORY in release notes
 * r60354 - update version numbers to crtm.v2.2.3 and bufr.v11.0.0.  crtm.v2.2.3 added to GSI trunk at r60393
 * r60360 - refactor JGDAS_ANALYSIS_HIGH in according with NCO WCOSS implementation standards
 * r60540 - refactor jobs and scripts in accord with NCO WCOSS implementation standards
 * r60678 - update SVN HISTORY in release notes; update jobs and scripts to use nwtest2 CRTM v2.2.3
 * r60681 - turn off dissipative heating in EnKF forecast
 * r60682 - update SVN HISTORY (add r60678 and r60681)
 * r60807 - update SVN HISTORY; correct typo in Release_Notes.gdas_da.v6.0.0.txt
 * r60831 - update SVN HISTORY; additional NCO WCOSS Implementation Standards changes made to JGDAS_ENKF_FCST 
 * r61501 - add satinfo files for retrospective parallels
 * r61689 - add convinfo and errtable files for retrospective parallels
 * r62346 - create GLOBAL_RB.v6.1.0 as copy of r62337 GSI trunk
 * r62482 - update Release_Notes, convinfo, and satinfo files; copy files from GLOBAL_RB.v6.0.0
 * r63885 - create GLOBAL_RB.v6.2.0 as copy of r63842 branches/fixe2c
 * r63890 - add or copy/modify various componets from GLOBAL_RB.v6.0.0
 * r63952 - copy updates from r63951 fixe2c into GLOBAL_RB.v6.2.0
 * r63964 - copy r63960 fixe2c to GLOBAL_RB.v6.2.0
 * r64593 - create GLOBAL_RB.v6.2.1 as copy of r63964 GLOBAL_RB.v6.2.0
 * r64596 - increment version number from 6.2.0 to 6.2.1
 * r64614 - place channels 101 & 102 on CrIS, 221 on AIRS and 269 on Metop-A/B IASI in monitor mode
 * r64617 - update SVN HISTORY in release notes
 * r64654 - update SVN HISTORY in release notes; add global_satinfo.txt.2015111012
 * r66548 - copy r64654 GLOBAL_RB.v6.2.1 to GLOBAL_RB.v6.2.2
 * r66550 - update GSI source code: limit ensemble RH perturbation; correct ATMS spatial averaging array index bug
 * r66583 - increment version number of directories in GLOBAL_RB.v6.2.2 from v6.2.1 to v6.2.2
 * r66588 - increment version number in build, module, and release notes
 * r66591 - correct typo in ATMS code; update SVN HISTORY in release notes
 * r67496 - refactor jobs as requested by NCO; update release notes; clean build directories
 * r67528 - update release notes; specify precision on numeric constant
 * r67541 - update release notes, add driver scripts and config files for jobs
 * r67781 - create GLOBAL_RB.v6.2.3 as copy of r67541 GLOBAL_RB.v6.2.2
 * r67787 - increment version number from v6.2.2 to v6.2.3 in release notes, build, and driver scripts
 * r67788 - update berror.f90
 * r67789 - update SVN HISTORY in release notes
 * r67791 - increment version number from v6.2.2 to v6.2.3 in module filename
 * r67793 - update SVN HISTORY in release notes
 * r68372 - move gsi/branches/GLOBAL_RB.v2.6.2/global_shared.v6.2.3 into gfs/tags/global_shared.v13.0.0


CODE CHANGES
 * Refactor gsi.v5.0.3 and enkf.v2.0.2 into gdas and global_shared vertical structure
   * global_shared.v13.0.0/sorc/
     * gsi.fd - add hybrid 4d ensemble-variational component; utilize ozone cross covariances; reduce tropospheric localization length scales; increase ensemble weight; aircraft bias correction; assimilate aircraft moisture data; all-sky AMSU-A radiance assimilation; modify radiance thinning in time; monitor AVHRR radiances; process additional AVHRR atmospheric motion vectors (AMVs); monitor VIIRS AMVs; code optimization; initial nemsio capability


JOB CHANGES
 * No job change


SCRIPT CHANGES
 * Refactor script in accord with NCO implementation standards
 * scripts/
   * exglobal_analysis.sh.ecf - add variables for aircraft processing and bias correction; add variables for NSST; add nemsio logic; add variables for AVHRR radiances; add variables for hourly backgrounds; update GSI namelist; update radiance diagnostic file satellte_sensor list


RESOURCE INFORMATION
 * Current operational GFS runs on WCOSS phase1 nodes.   Q1FY16 GFS package should be implemented on WCOSS phase2 nodes.  See gdas_da.v13.0.0 and gfs_da.v13.0.0 release notes for resource information.   global_shared.v13.0.0 only contains GSI fix files, scripts, source code, and executable.
 * Frequency of run
   * 6 hourly cycle (00, 06, 12, 18Z)
 * Specify all versions of libs, compilers, shared code being used
   * libraries
     * BACIO_VER = v2.0.1
     * BUFR_VER = v11.0.0
     * CRTM_VER = v2.2.3
     * NEMSIO_VER = v2.2.1
     * NETCDF_VER = 3.6.3
     * SFCIO_VER = v1.0.0
     * SIGIO_VER = v2.0.1
     * SP_VER = v2.0.2
     * W3EMC_VER = v2.2.0
     * W3NCO_VER = v2.0.6
   * compiler (modules loaded during GSI build / run)
     * ics/15.0.3
     * ibmpe/1.3.0.10
     * lsf/9.1
 * Data retention for files in /com and /nwges under prod/para/test environments
   * same as current operations


PRE-IMPLEMENTATION TESTING REQUIREMENTS
 * Which production jobs should be tested as part of this implementation?
   * global_shared_da.v13.0.0 should be tested as part of the Q1FY16 GFS package
 * Does this change require a 30-day evaluation?
   * YES
 * Suggested evaluators
   * same as rest of Q1FY16 GFS package


DISSEMINATION INFORMATION
 * Where should this output be sent?
   * same as current operational GFS/GDAS GSI
 * Who are the users?
   * same as current operational GFS/GDAS GSI
 * Which output files should be transferred from PROD WCOSS to DEV WCOSS?
   * same as current operational GFS/GDAS GSI


HPSS ARCHIVE
 * Retention length?
   * same as current operational GFS/GDAS GSI
 * List which output files should be archived
   * same as current operational GFS/GDAS GSI

           
IMPLEMENTATION INSTRUCTIONS
* To implement global_shared_da.v13.0.0, please do the following:
  * cd  $NWROOT
  * svn checkout https://svnemc.ncep.noaa.gov/projects/gfs/tags/global_shared.v13.0.0
  * cd $NWROOT/global_shared.v13.0.0/sorc
  * execute ./build.sh - This builds the global_gsi executable and places it $NWROOT/global_shared.v13.0.0/exec


JOB DEPENDENCIES & FLOW DIAGRAM
 * No change from gsi.v5.0.3 and enkf.v2.0.2