[Ncep.list.fv3-announce] NEMSfv3gfs and FV3 git repository updates

[Shrinivas Moorthi - NOAA Federal]

Unfortunately, merging my branch with master causes ‘bus’ error!
I am stuck and don’t know what to do!
Moorrhi

Sent from my iPhone

> On Dec 22, 2017, at 8:27 AM, Jun Wang - NOAA Affiliate <jun.wang at noaa.gov> wrote:
> 
> Dear all,
> Following changes were committed to the NEMSfv3gfs and Fv3 git repositories this morning:
> 
> Task #44641: the improved evaporation scheme over the bare soil
> The current value of the key soil parameter (residual soil moisture) was set to the same as wilting point, which results in underestimating the evaporation over bare soil. In this ticket, this parameter is updated with the value from EC model. The forecast only experiments show both surface temperature and humidity forecasts are improved significantly.
> 
> Task #44818: fv3 reproducibility issue for Gaussian grid output
> Non-reproducibility issue showed up in some EnKF runs. In this ticket, options are added to ESMF function calls to ensure reproducibility and ESMF lib is recompiled with precise option. EnKF runs reproduce with this fix.
> 
> Task #44551: remove/reduce namelist file IO
> This task is to reduce the number of IO calls to the current atmospheric namelist file "input.nml". The code is now reading the namelist in during mpp_init on a single processor, storing it into a character variable, and broadcasting this to all MPI ranks. All subsequent namelist reads would then use Fortran internal file semantics to read from the character variable. With this fix, the io profile test shows that input.nml references have been reduced from 44458 to only 4.
> 
> 
> 
> Thanks.
> 
> 
> 
> Jun
> 
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