NumericalEarth

Issues somebody may already be working on are listed last. List everything by date

• Add a pressure-solver precision option to avoid unstable Float32 anelastic pressure solve on large domains

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  NumericalEarth/Breeze.jl#1054 · 1 comment · Opened Oct 8, 2026

  Maintainers usually reply within 1 day

• P3 lookup table data on CPU needs to be copied to GPU boundary condition data

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 2/5 1-3 hours Newbie friendliness 90/100

  NumericalEarth/Breeze.jl#1051 · Opened Oct 6, 2026

  Maintainers usually reply within 1 day

• Add a shared external_temperature_tendency interface for microphysics

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 32/100

  NumericalEarth/Breeze.jl#1021 · Opened Sep 23, 2026

  Maintainers usually reply within 1 day

• Compressible volumetric heating omits the dry-to-total density conversion

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 1/5 Under an hour Newbie friendliness 85/100

  NumericalEarth/Breeze.jl#1010 · Opened Sep 18, 2026

  Maintainers usually reply within 1 day

• Reconcile caloric phase-energy offsets with the saturation latent heats

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  NumericalEarth/Breeze.jl#1009 · Opened Sep 18, 2026

  Maintainers usually reply within 1 day

• `ReferenceState` stores a vapor profile but builds dry `p`, `ρ`, `T`

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 2/5 1-3 hours Newbie friendliness 85/100

  NumericalEarth/Breeze.jl#991 · 1 comment · Opened Sep 11, 2026

  Maintainers usually reply within 1 day

• `FilteredSurfaceVelocities` default `filter_timescale = Inf` freezes the wall model instead of disabling filtering

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  NumericalEarth/Breeze.jl#990 · 2 comments · Opened Sep 11, 2026

  Maintainers usually reply within 1 day

• Warn when moisture species are advected with unbounded WENO

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 3/5 Half a day Newbie friendliness 62/100

  NumericalEarth/Breeze.jl#966 · 1 comment · Opened Sep 4, 2026

  Maintainers usually reply within 1 day

• `balance_adiabatically!` does not freeze time-dependent boundary conditions

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  NumericalEarth/Breeze.jl#958 · Opened Sep 3, 2026

  Maintainers usually reply within 1 day

• `IMEXFluxBoundaryCondition` is silently a no-op: `AtmosphereModel` never builds the solver it needs

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  NumericalEarth/Breeze.jl#948 · 5 comments · Opened Aug 31, 2026

  Maintainers usually reply within 1 day

• Reverse-mode compile of one time step under Reactant needs >80 GB and does not finish (XLA backend, not Enzyme)

  May be free again @Pangoraw claimed this 42 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  NumericalEarth/Breeze.jl#947 · 5 comments · 1 assignee · Opened Aug 31, 2026

  Maintainers usually reply within 1 day

• TerrainFollowingVerticalDiscretization grids cannot be built on ReactantState (no _to_reactant method)

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  NumericalEarth/Breeze.jl#937 · Opened Aug 29, 2026

  Maintainers usually reply within 1 day

• `Relaxation` with a `transform` is never refreshed: `AtmosphereModels.compute_forcing!` shadows Oceananigans' generic

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  NumericalEarth/Breeze.jl#928 · Opened Aug 24, 2026

  Maintainers usually reply within 1 day

• Gravity wave parameterizations and implementing MS-GWaM

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement ✨

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#924 · 1 comment · Opened Aug 21, 2026

  Maintainers usually reply within 1 day

• Benchmark 'dynamics none / WENO / vanilla+reactant' fails due to CUDA_ERROR_ILLEGAL_ADDRESS

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#920 · 3 comments · Opened Aug 20, 2026

  Maintainers usually reply within 1 day

• Anelastic pressure solve is inconsistent on a terrain-following grid

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 54/100

  NumericalEarth/Breeze.jl#916 · 1 comment · Opened Aug 18, 2026

  Maintainers usually reply within 1 day

• Reactant compilation of a downscaling LES workflow

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#903 · 2 reactions · Opened Aug 13, 2026

  Maintainers usually reply within 1 day

• Investigate inconsistent donor states when resolved advection and sedimentation velocities are combined

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  NumericalEarth/Breeze.jl#869 · 1 comment · Opened Jul 24, 2026

  Maintainers usually reply within 1 day

• `TKEBasedTurbulenceClosure`

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#847 · 5 comments · Opened Jul 15, 2026

  Maintainers usually reply within 1 day

• Breeze 0.7 coupled-model regressions: solver stable Δt dropped <5 s + balancer qˡ crash on SaturationAdjustment

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  NumericalEarth/Breeze.jl#827 · 3 comments · Opened Jul 3, 2026

  Maintainers usually reply within 1 day

• Split-explicit open-boundary momentum imbalance: PR #747's per-substep density relaxation kicks the boundary-adjacent momentum (acoustic PGF)

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#825 · 1 comment · Opened Jul 2, 2026

  Maintainers usually reply within 1 day

• Correctness bug with WENO + Triply `Bounded` grid

  May be free again @dkytezab claimed this 129 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  NumericalEarth/Breeze.jl#761 · 1 comment · 1 assignee · Opened Jun 1, 2026

  Maintainers usually reply within 1 day

• Create an interesting compressible regional simulation benchmark

  May be free again @dkytezab claimed this 136 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  performance 🏎️

  NumericalEarth/Breeze.jl#751 · 12 comments · 1 assignee · Opened May 29, 2026

  Maintainers usually reply within 1 day

• Refactor per-substep open-boundary relaxation as an `AcousticRelaxation` scheme

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#748 · 4 comments · Opened May 28, 2026

  Maintainers usually reply within 1 day

• Default `BackgroundAtmosphere(O₃ = 0)` causes immediate stratospheric NaN for any column extending above the tropopause

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  NumericalEarth/Breeze.jl#745 · 2 comments · Opened May 28, 2026

  Maintainers usually reply within 1 day

• Add new moist baroclinic wave case with substepping to benchmarks?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  performance 🏎️

  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  NumericalEarth/Breeze.jl#735 · 1 comment · Opened May 22, 2026

  Maintainers usually reply within 1 day

• Negative rain mass fractions possible

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  invalid ❌

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#634 · 1 comment · Opened Apr 16, 2026

  Maintainers usually reply within 1 day

• Use dispatch for `moisture_fractions` rather than `get`

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  clean up 🧹 microphysics💧 ❄️

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  NumericalEarth/Breeze.jl#627 · Opened Apr 12, 2026

  Maintainers usually reply within 1 day

• Bug Crawl: Overview Issue of Potential Bugs

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  bug 🐛

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  NumericalEarth/Breeze.jl#625 · 1 comment · 1 reaction · Opened Apr 9, 2026

  Maintainers usually reply within 1 day

• Should we change `BulkMicrophysics` to `MomentMicrophysics`?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  microphysics💧 ❄️ semantics

  Difficulty 5/5 Over a week Newbie friendliness 30/100

  NumericalEarth/Breeze.jl#619 · 3 comments · 1 reaction · Opened Apr 8, 2026

  Maintainers usually reply within 1 day

• Inconsistencies in definitions of fluxes in notation.md and code

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  documentation 📜 semantics

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#576 · 14 comments · Opened Mar 20, 2026

  Maintainers usually reply within 1 day

• [Reactant] Cannot `set!` fields via `BinaryOperation` on `LatitudeLongitudeGrid`

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#543 · 7 comments · Opened Mar 4, 2026

  Maintainers usually reply within 1 day

• Fixed-iteration saturation adjustment solve

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  microphysics💧 ❄️ reactant ☣

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#537 · 1 comment · Opened Mar 3, 2026

  Maintainers usually reply within 1 day

• Development of PBL schemes

  May be free again @ewquon claimed this 223 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  dycore 🌀 enhancement ✨

  NumericalEarth/Breeze.jl#536 · 6 comments · 1 assignee · Opened Mar 2, 2026

  Maintainers usually reply within 1 day

• Implement SurfaceLayerDiffusivity (Sullivan et al. 1994 mean-field surface viscosity)

  May be free again @ewquon claimed this 189 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement ✨

  NumericalEarth/Breeze.jl#534 · 15 comments · 1 assignee · Opened Mar 2, 2026

  Maintainers usually reply within 1 day

• Supporting `LatitudeLongitudeGrid` for `AtmosphereModel`

  May be free again A pull request for this issue was closed without being merged. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement ✨

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  NumericalEarth/Breeze.jl#518 · 4 comments · Opened Feb 25, 2026

  Maintainers usually reply within 1 day

• STATUS: Differentiating Breeze

  May be free again @dkytezab claimed this 223 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  NumericalEarth/Breeze.jl#492 · 1 assignee · Opened Feb 19, 2026

  Maintainers usually reply within 1 day

• Is this meant to be the relative momentum difference?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  question 💭

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#486 · 2 comments · Opened Feb 18, 2026

  Maintainers usually reply within 1 day

• Use 2M microphysics with CCN activation in RICO example?

  May be free again @kaiyuan-cheng claimed this 236 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  microphysics💧 ❄️

  NumericalEarth/Breeze.jl#473 · 3 comments · 1 assignee · Opened Feb 13, 2026

  Maintainers usually reply within 1 day

• Test Reactant construction / compilation / raising of `WENO`

  May be free again @dkytezab claimed this 243 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣ testing 🧪

  NumericalEarth/Breeze.jl#467 · 3 comments · 1 reaction · 1 assignee · Opened Feb 11, 2026

  Maintainers usually reply within 1 day

• Can't construct `AnelasticDynamics` on `ReactantState`

  May be free again @dkytezab claimed this 245 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  NumericalEarth/Breeze.jl#462 · 1 reaction · 1 assignee · Opened Feb 9, 2026

  Maintainers usually reply within 1 day

• New notation for thermodynamic state?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  semantics

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  NumericalEarth/Breeze.jl#456 · 6 comments · Opened Feb 7, 2026

  Maintainers usually reply within 1 day

• Dynamical inconsistency between total water and moisture species during microphysical sedimentation

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  microphysics💧 ❄️

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#453 · 6 comments · 2 reactions · Opened Feb 6, 2026

  Maintainers usually reply within 1 day

• Grouping tests a la Oceananigans

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#452 · 11 comments · Opened Feb 6, 2026

  Maintainers usually reply within 1 day

• Include radar reflectivity as a microphysics diagnostic

  May be free again @jtbuch claimed this 248 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  diagnostics 🔬 enhancement ✨

  NumericalEarth/Breeze.jl#451 · 2 comments · 1 assignee · Opened Feb 5, 2026

  Maintainers usually reply within 1 day

• Write some Reactant integration tests inside of Breeze

  May be free again @dkytezab claimed this 249 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣ testing 🧪

  NumericalEarth/Breeze.jl#448 · 1 reaction · 1 assignee · Opened Feb 5, 2026

  Maintainers usually reply within 1 day

• Reactant compilation failure as a function of grid size

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  bug 🐛 reactant ☣

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#433 · 17 comments · Opened Jan 26, 2026

  Maintainers usually reply within 1 day

• Reactant tracing through conditionals in timestepping + workaround

  May be free again @dkytezab claimed this 262 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  reactant ☣

  NumericalEarth/Breeze.jl#427 · 13 comments · 1 assignee · Opened Jan 23, 2026

  Maintainers usually reply within 1 day

• Generate benchmarks to compare against FastEddy

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  performance 🏎️

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  NumericalEarth/Breeze.jl#422 · 1 comment · Opened Jan 22, 2026

  Maintainers usually reply within 1 day

• Inconsistency in surface precipitation flux calculation

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  dycore 🌀

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  NumericalEarth/Breeze.jl#389 · 5 comments · Opened Jan 6, 2026

  Maintainers usually reply within 1 day