[Ncep.list.wwatch3.discussion-group] WWIII Notes - Weds, Aug 15, 2018

Thu Aug 16 13:23:34 UTC 2018

Hi -

Here is the link to the NCEP page where technical notes (many of them on
waves) are: http://polar.ncep.noaa.gov/mmab/notes.shtml

Best,
Jessica

On Thu, Aug 16, 2018 at 12:58 PM, Jessica Meixner - NOAA Federal <
jessica.meixner at noaa.gov> wrote:

> Hi Everyone,
>
>
> Thanks to those of you who joined us.  It looks like we are still on track
> for an October public release.  The status of the milestone projects (
> https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/roadmap) are:
>
>    -
>
>    6.XX Namelist for remaining programs (no update, a few more programs
>    to go)
>    -
>
>    6.XX Bit reproducibility: The NCEP operational system with the grid
>    redesign no longer has bit reproducibility as an issue.  However, when
>    having two grids of equal rank partitioning the MPI to run them is still an
>    unresolved issue. In addition we still have several regression tests that
>    are not bit-reproducible (See list of them here:
>    https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/wiki/
>    How_to_use_matrixcomp_to_compare_regtests_with_master#5-Look-at-results
>    <https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/wiki/How_to_use_matrixcomp_to_compare_regtests_with_master#5-Look-at-results>
>    )
>    -
>
>    6.XX Memory management: no update
>    -
>
>    6.XX IC5: Update from Qingxiang: IC5 is ready to be merged back to
>    master, ST6 updates soon after.
>    -
>
>    6.XX Directional Singularity at NPole: works in serial, having MPI
>    issues
>    -
>
>    6.XX BT Output: Update from Qingxiang: work will start soon on this
>    -
>
>    6.XX GFDL FMS coupling (Waiting on Directional singularity)
>    -
>
>    6.XX Bug Fixes and Documentation
>    -
>
>       Ugdev2bugfixes just went back into the master.
>       -
>
>       Fabrice has bug fix for W3SBS1MD
>       -
>
>       Mickael has many bug fixes and small updates which will be merged
>       back in September.
>       -
>
>       UKMet has some updates for SMC grid with netcdf which will be ready
>       soon.
>       -
>
>       Stefan wants to add some output parameters (might not be ready for
>       public release)
>       -
>
>       There are 50 open bug fixes and documentation issues
>       <https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/issues?utf8=%E2%9C%93&set_filter=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=fixed_version_id&op%5Bfixed_version_id%5D=%3D&v%5Bfixed_version_id%5D%5B%5D=1380&f%5B%5D=&c%5B%5D=tracker&c%5B%5D=status&c%5B%5D=priority&c%5B%5D=subject&c%5B%5D=assigned_to&c%5B%5D=updated_on&group_by=&t%5B%5D=>.
>
>       -
>
>       You can see what open tickets you have by going to:
>       https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/
>       issues?query_id=259
>       <https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/issues?query_id=259>
>
>
> Some other issues that were discussed is an overall potential problem of
> uninitialized variables and arrays.  We might need to systematically
> address this as a wider group, but please keep your eye out for them and we
> can fix as we find them.  While some are never used before being set to a
> value, it is possible this is part of the bit reproducibility issues we are
> seeing for regression tests.
>
> Another issue that was discussed is the manual.  In general, it’s time for
> manual and documentation updates for the public release.  In addition,
> there are several sections that could use attention and updates. Two in
> particular:
>
>    -
>
>    The timestepping section is out of date and could use improvement.  We
>    should give examples of time-stepped used in operations and expand on the
>    discussion of why we might say “do as we say not as we do” (as it’s
>    currently written).  NCEP technical note 259 (
>    http://polar.ncep.noaa.gov/mmab/papers/tn259/mmab259.pdf
>    <http://polar.ncep.noaa.gov/mmab/papers/tn259/mmab259.pdf>) has
>    equations to determine timesteps and that would be useful to include in the
>    manual.  https://vlab.ncep.noaa.gov/redmine/issues/52842
>    -
>
>    Another point that was brought up is to update the output parameter
>    definitions, making sure they are consistent with what is actually
>    calculated in the code.  In addition, possibly just presented in a easier
>    to find & use way for new users. (Issues: https://vlab.ncep.noaa.gov/
>    redmine/issues/54027, https://vlab.ncep.noaa.gov/redmine/issues/54013)
>
>
> Lastly, there is a desire for being able to choose the output parameters
> calculated for point output instead of being limited to the different table
> options.  Currently, this is not being planned for the upcoming public
> release.
>
> Last, a few GIT reminders
>
>    -
>
>    Please do not put netcdf or any other binary file in the repo.  Also
>    please try to keep large files in general out of the repo. If you have a
>    large regression test file, we will add it to the ftp instead.
>    -
>
>    Please use remote branches instead of pushing directly to the master
>    unless your update is super small.  It’s easier to run the regression tests
>    and make updates on a remote branch than if you push directly to
>    code-review.  It will also help with timing as many of you might all be
>    pushing to the master at the same time.
>    -
>
>    Checklist for submitting to master: https://vlab.ncep.noaa.gov/
>    redmine/projects/emc-ww3/wiki/Checklist_for_submitting_to_master
>    <https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/wiki/Checklist_for_submitting_to_master>
>
>
>
> If you have any presentations for the group this fall please let me know.
> Our next meeting will be Wednesday, September 19th.
>
> Best,
>
> Jessica
>
>
> --
> Jessica Meixner
> NCEP/EMC
> NOAA Center for Weather and Climate Prediction
>

-- 
Jessica Meixner
NCEP/EMC
NOAA Center for Weather and Climate Prediction
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