Issues

• PR #1495's fix for the nvfortran build error didn't address CMake

  MPAS-Dev/MPAS-Model#1517 · Filter by author cenamiller opened on Sep 17, 2026

• Compiling error for ifort when MPAS_ESMF="external"

  bugBuild System
  MPAS-Dev/MPAS-Model#1514 · Filter by author danrosen25 opened on Sep 10, 2026
  

• read and write individual scalars

  MPAS-Dev/MPAS-Model#1513 · Filter by author SamuelTrahanNOAA opened on Sep 9, 2026

• Thompson aerosols with RRTMG scheme stops during integration when OpenMP is used

  MPAS-Dev/MPAS-Model#1511 · Filter by author thomasuhoh opened on Sep 8, 2026

• CPU restart does not reproduce the continuous run bit for bit (v8.4.1, 240 km, dt=300); same signature with MYNN and YSU, so core/restart-I/O path

  MPAS-Dev/MPAS-Model#1510 · Filter by author mordisdevone opened on Sep 6, 2026

• module_sf_sfclay sfclay1d: (g/tgdsa*pblh*fluxc)**.33 with zero base raises FP invalid on timestep 1; aborts under -Ktrap

  MPAS-Dev/MPAS-Model#1509 · Filter by author mordisdevone opened on Sep 6, 2026

• v8.4.1 does not compile with NVHPC 25.11: generated setup_packages.inc PACKAGE_LOGIC_PRINT continuation line rejected (S-0290)

  MPAS-Dev/MPAS-Model#1508 · Filter by author mordisdevone opened on Sep 6, 2026

• Jablonowski-Williamson baroclinic wave test case produces NaN on first timestep in v8.3.0 and later (works in v8.2.3)

  Atmosphere
  MPAS-Dev/MPAS-Model#1505 · Filter by author ac-neuralterrena opened on Aug 22, 2026
  1

• init_atmosphere/atmosphere segfault at startup in setup_derived_dimensions (NULL dimension pointer) — regression from "Fix memory leak in block_dimension_routines.inc"

  MPAS-Dev/MPAS-Model#1475 · Filter by author daniloceano opened on Jun 16, 2026
  1

• relhum output: liquid only or wrt ice?

  MPAS-Dev/MPAS-Model#1474 · Filter by author MicroTed opened on Jun 16, 2026
  1

• Missing variable in mpas_atmphys_constants.F

  MPAS-Dev/MPAS-Model#1470 · Filter by author louiswicker opened on Jun 11, 2026
  1

• LCL/LFC diagnostics defined but not calculated

  MPAS-Dev/MPAS-Model#1444 · Filter by author CharlesZheZhang opened on Apr 13, 2026

• Having issue with init_atmosphere using external ESMF installation

  MPAS-Dev/MPAS-Model#1439 · Filter by author uturuncoglu opened on Apr 2, 2026

• add a stream attribute output_done_marker to allow generating a 'done' file after stream writing is completed

  MPAS-Dev/MPAS-Model#1424 · Filter by author guoqing-noaa opened on Mar 22, 2026

• Recent change in MMM-physics breaks MPAS-Model

  AtmosphereBuild System
  MPAS-Dev/MPAS-Model#1420 · Filter by author eap opened on Mar 17, 2026
  8

• output at flexible time levels

  MPAS-Dev/MPAS-Model#1414 · Filter by author guoqing-noaa opened on Feb 14, 2026
  6

• OpenMP run failure: subroutine atm_rk_integration_setup in mpas_atm_time_integration.F

  MPAS-Dev/MPAS-Model#1403 · Filter by author MicroTed opened on Feb 2, 2026
  2

• Can we control the list of variables for the mutable stream on-the-fly?

  Atmosphere
  MPAS-Dev/MPAS-Model#1373 · Filter by author byoung-joo opened on Oct 31, 2025
  1

  

• Publish checksums for release downloadable artifacts.

  MPAS-Dev/MPAS-Model#1349 · Filter by author jim-p-w opened on Jul 23, 2025
  1

• Options for treatment of w on lateral boundaries

  MPAS-Dev/MPAS-Model#1340 · Filter by author barlage opened on Jun 27, 2025

• Bug in Noah-MP snow initialization

  MPAS-Dev/MPAS-Model#1299 · Filter by author cenlinhe opened on Apr 18, 2025
  1

• Real-data test case with v8.2.2

  MPAS-Dev/MPAS-Model#1292 · Filter by author climbfuji opened on Mar 11, 2025
  3

• MPAS crashes with frac_seaice=false

  MPAS-Dev/MPAS-Model#1275 · Filter by author tanyasmirnova opened on Jan 24, 2025

• OA1/2/3/4 negative bias in high resolution domain

  MPAS-Dev/MPAS-Model#1246 · Filter by author lo-y-wni opened on Nov 15, 2024

• v8.2.0 crashes with null pointer for nifa_p with DEBUG=true

  MPAS-Dev/MPAS-Model#1209 · Filter by author theweathermanda opened on Jul 9, 2024
  1