JEDI 5 (Documentation, training, support, workflow)Ĭlaude and Rick G gave the following summary. The PR in um-jedi that reads the spectral coefficients from an operational covariance file has been implemented in um-jedi. That is the other approach that I am implementing. That requires changes to transi and well as atlas. The other is to allow atlas to use the adjoint of the inverse transform in atlas. It should be possible to rescale the direct transform (grid-point to spectral) to simulate the adjoint of the inverse transform. Now I am taking a two pronged approach to getting a functioning adjoint of an inverse transform. I have managed to get the code to do a low-pass filter. Marek : have been continuing on the spectral transform work for a spectral B. Currently it works for structured meshes. Olly : created a PR in ECMWF Atlas that implemented a repartitioner from one PE distribution to other. Same with QC filters: working on an obvious way the QC flags are passed to the ObsOperator. Yannick : Working on how we’re passing ObsErrors between Filters and everything else PR coming soon. Plan to run separate observer and solver for the experiments Found a bug when there are zero obs on an MPI task issued bugfix PR in ioda. Wei: working with Sergey on Halo distribution. Junmei : working on mpas-jedi cycling with bias correction & QC filters. JJ : working on variable change for model->geovals. Nancy : Experiencing a problem with 3DVar (4DVar obs data set has problems, too dense obs for 3DVar). Preparing for cycling by end of April (3DVar) Reading increments from disc instead of states.Įric : NRL converters (innovations data -> nc4). Also helped Guillaume to setup a similar B matrix training for SOCA.Ĭlementine : merged diagnostics for Lanczos working on fv3-jedi diagnostics.ĭan : Working on using lagged pairs PR in oops and saber. Also planning to use the updated ObsLocalization interface for local observation search (moving that functionality out of ObsSpace second constructor).īenjamin : The fv3-jedi static B matrix training is now running on an AWS parallel cluster, using Dan's ensemble on S3. New team member: Steve Vahl (UKMO liaison in the JEDI - Model interfaces team).Īnna : Working on refactoring observation-space Localization (used in LETKF-type algorithms) to allow for features required by ocean and snow DA. AOP 20 is ending, please help clean up the ZenHub tickets.Integrating Yannick's code for faster H(x).NUOPC interface for UFS is work in progress.Static B is trained from latitude points.Full ensemble, GFS (same as GSI ensemble).Next step is to work on 4D H(x) which will impact the model interfaces.Has 3D H(x) improvements merged into develop.Working in the context of the H(x) testbed (JEDI GDAS experiments).
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