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Doruk Ardag (Marine / SWELL / R2D2 / Workflow)

  • Shutdown status: Only contractors & university co-ops working.

  • Ricardo (pre-furlough):

    • Multi-outer-loop tests suggest UFO filters may not apply in later loops unless a specific switch is enabled (switch name TBD). Question: set True by default?

    • Observed outer-loop state updates not propagating correctly due to SWELL workflow setup (investigating).

  • Marine: Extensive local coupled-model testing; R2D2v3 now being tested in SWELL.

  • Onboarding: Helping Jerome and Maryam with SWELL; leveraging their R2D2 experience; interest in EVA (relevant to EMC).

Eric Lingerfelt / Team (Workflows, R2D2, spack-stack, CI)

  • cylc in Skylab: Progressing; toy models under test (Ashley).

  • R2D2: Cleaning client/server technical debt & maintenance (Eric).

  • spack-stack: Feature branch with Dom’s Spack 1.0 integration; basis for spack-stack 2.0 (target early Nov) (Evan).

  • CI: Intermittent issue affecting 5–10% of builds with excessive timeouts under troubleshooting (Evan).

Michael Cooke — UKMO

  • Parallel covariance models: Plan to modify ECTRANS to manage multiple split MPI communicators so ensemble waveband B models can run in parallel (currently sequential in hybrid-B causing IO/compute overhead).

  • 4D-Var: Focused on speed-up; current initial setup slow (mixed known/unknown causes).

  • Regional JOPA: Observation configurations nearly ready for final trials.

OBS (IODA/UFO/USO)

  • IODA converter PR-1701 (MRMS): Code fixed; smaller files.

  • UFO: Surface operator GFS operator — possible interface issues flagged.

  • Unified Super Operator: Open question; Ricardo / François V. associated.

CRTM

  • Sea-ice model investigation ongoing.

  • IFX testing and evaluation of ongoing segfaults,  flang compilation testing ongoing
  • working with NOAA STAR on AMSR3 coefficients (ODPS+ODAS), Cloud Coefficients (extending to submm)
  • working with Isaac Moradi at GMAO on Cloud Coefficients (extending to submm)
  • Cheng Dang returning on PolSIR funding. 

EMC

  • NWS exempt from furloughs.

  • JEDI R&D / Real-time: Two real-time “upgradeS” GFSv17 full-res parallels; GCAFS (aerosols) repo: https://github.com/NOAA-EMC/GCAFS.

    • Retrospectives: Start end of month; science freeze for retro; 2 hurricane seasons; ~6 months to generate. Large res + ocean increases compute.

  • Obs format for JEDI ingest: Finished.

  • Regional: Background error model work; PR in SABER to turn on all testing for GSI-BEC.

  • HAFS-JEDI: Running real-time for multiple storms.

  • Optimization: With GDIT; NetCDF chunking for HAFS and RRFS.

NCAR/MMM (Jake Liu)

  • spack-stack 1.9.2 working well; switching to it.

François Hébert — Interfaces & Optimization

  • Static spectral B: Multithreading completed; next: waveband ensemble B, variable changes, HTLM for next deliverable.

  • OSDF-based reader: Progress; expect load step done this sprint.

  • CO₂ units fix: Model-interface → GeoVaLs → UFO standardized to mol/mol.

  • obs2ioda: yaml-cpp replaced with eckit.

Hernan — SABER/BUMP / Testing

  • Fortran allocatables & methodology: Memory not released in some paths; need disciplined allocate if not allocated / deallocate pattern. Will discuss with Benjamin M.

  • Apple M4 (12-core): ctests run very fast.

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