ESCOMP/CAM

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Community Atmosphere Model

Stars: 91
Forks: 183
Open beginner issues: 0
Indexed issues: 202
Avg merge: 3d 10h
Merged PRs (30d): 8

Dominant language: No language data
License: No license data
Last GitHub push: Jun 22, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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199 open issues indexed

Vector-complement check aborts on history tapes that are not interpolated Open

bug misc tag

ESCOMP/CAM#1670 · 2 assignees · Opened Sep 4, 2026
*_PDC physics-dynamics coupling diagnostics wrong on CSLAM (pgN) grids: missing dp_fvm weighting Open

bug misc tag

ESCOMP/CAM#1669 · 1 assignee · Opened Sep 3, 2026
Import state nuopc state_diagnose call is not under dbug_flag > 1, causing ESMF logfile flood Open

bug misc tag Must have CESM3

ESCOMP/CAM#1667 · 1 assignee · Opened Aug 31, 2026
Restore UBC lists to include Q and update WACCM7 IC files Open

Must have CESM3

ESCOMP/CAM#1663 · 1 assignee · Opened Aug 28, 2026
Fix fields indentified with TR8_enhanced in the atmos_phys repo Open

bug Must have CESM3

ESCOMP/CAM#1662 · 1 assignee · Opened Aug 26, 2026
WACCM-X coupling with MAGE Open

enhancement

ESCOMP/CAM#1647 · 1 assignee · Opened Aug 14, 2026
add gravity wave output variables for CMIP7 Open

enhancement misc tag Must have CESM3

ESCOMP/CAM#1646 · 1 comment · 2 assignees · Opened Aug 12, 2026
FLBC overwrite of CO2 field Open

bug

ESCOMP/CAM#1645 · 4 comments · 1 assignee · Opened Aug 11, 2026
Out of memory issue in CAM at ne1024 resolution Open

enhancement

ESCOMP/CAM#1640 · 2 assignees · Opened Aug 10, 2026
Update chemistry reaction rate constants Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ESCOMP/CAM#1633 · Opened Jul 23, 2026
atm nx and ny attributes are incorrect for single-column runs Open

bug misc tag

ESCOMP/CAM#1622 · 1 assignee · Opened Jul 17, 2026
Integer overflow of 32-bit NetCDF dimension products → undersized allocation → heap out-of-bounds write in sat_hist.F90 and tools/mkatmsrffile Open

misc tag

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

ESCOMP/CAM#1620 · 2 comments · Opened Jul 16, 2026
Should some compsets/tests use DGLC%NOEVOLVE rather than SGLC? Open

answer changing enhancement question

ESCOMP/CAM#1618 · 9 comments · 1 assignee · Opened Jul 14, 2026
Update compsets to using CLM60 Open

Must have CESM3

ESCOMP/CAM#1616 · 3 comments · 1 reaction · 1 assignee · Opened Jul 14, 2026
Port modal aerosol model (MAM) to CCPP and move to atmos_phys Open

ccpp-conversion

ESCOMP/CAM#1614 · 1 assignee · Opened Jul 14, 2026
OS command injection: data filenames from a file-list are passed to `rm -f` via `system()` (`tracer_data.F90`, `metdata.F90`) Open

bug misc tag

ESCOMP/CAM#1606 · 3 comments · 1 assignee · Opened Jul 8, 2026
COSP/RTTOV inputs copied over 1:pver instead of reduced domain ktop:pver in cospsimulator_intr.F90 Open

misc tag Must have CESM3

ESCOMP/CAM#1591 · 1 assignee · Opened Jun 16, 2026
CLUBB advected-moments read loop runs one level past state%q (out-of-bounds) in clubb_intr.F90 Open

Must have CESM3

ESCOMP/CAM#1590 · 4 comments · 1 assignee · Opened Jun 16, 2026
CLUBB rain-evaporation turbulence enhancement reads a stale level index (k_cam) in clubb_intr.F90 Open

Must have CESM3

ESCOMP/CAM#1587 · 5 comments · 1 assignee · Opened Jun 16, 2026
rad_aer_diag_init, rad_cnst_out only called for climate list: mass per layer/column burden missing for diagnostic list species Open

bug

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

ESCOMP/CAM#1578 · 1 comment · Opened Jun 11, 2026
Use newer MOM6 ocean mask when running with docn Open

Must have CESM3

ESCOMP/CAM#1569 · 2 comments · 1 assignee · Opened Jun 2, 2026
Modify an existing CAM regression test to cover running over the year boundary Open

enhancement misc tag Must have CESM3

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

ESCOMP/CAM#1561 · Opened May 18, 2026
Expand inline global total energy diagnostics to physics parameterizations Open

enhancement Must have CESM3

ESCOMP/CAM#1552 · 1 assignee · Opened May 12, 2026
remove dyn_time_lvls from all pbuf_add_field calls Open

Must have CESM3

ESCOMP/CAM#1532 · 1 comment · 2 assignees · Opened Apr 13, 2026
CAM could sparse-checkout shared aerosol infrastructure files from CAM-SIMA (or MIAM) Open

ESCOMP/CAM#1531 · 1 assignee · Opened Apr 12, 2026
Failing prebeta tests. Open

bug Must have CESM3

ESCOMP/CAM#1524 · 4 comments · 1 assignee · Opened Apr 1, 2026
dust_emis_fact needs separate values for F and B cases Open

ESCOMP/CAM#1516 · 5 comments · 1 assignee · Opened Mar 24, 2026
NAG CAM5 subcolumns test fails since update to match alpha08l externals Open

bug

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

ESCOMP/CAM#1514 · 1 comment · Opened Mar 24, 2026
New energetic particle precepitation schemes Open

after CESM3_0 enhancement

ESCOMP/CAM#1496 · 1 comment · 1 assignee · Opened Mar 5, 2026
Convert UW shallow convection (CAM5) to CCPP and move to atmos_phys Open

ccpp-conversion enhancement

ESCOMP/CAM#1483 · 1 assignee · Opened Feb 18, 2026
Add physics scheme option called Multiscale Coherent Structure Parameterization (MCSP) Open

answer changing CoupledEval3 enhancement Must have CESM3

ESCOMP/CAM#1474 · 1 comment · 1 assignee · Opened Jan 27, 2026
Update spectral-element WACCM regression test Open

enhancement

ESCOMP/CAM#1450 · 7 comments · 1 assignee · Opened Dec 9, 2025
Frontogenesis function should be computed on pressure levels Open

bug

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

ESCOMP/CAM#1414 · 1 comment · Opened Oct 13, 2025
HEMCO interface for CAM-chem missing surface emission history fields (SF*) Open

bug

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

ESCOMP/CAM#1413 · Opened Oct 11, 2025
Revise TEM module to reduce aliasing errors and calculate values on pressure surfaces Open

CoupledEval3 enhancement Must have CESM3 SIMA

ESCOMP/CAM#1403 · 1 comment · 2 assignees · Opened Sep 30, 2025
Address CLUBB history global data types Open

ESCOMP/CAM#1392 · 2 assignees · Opened Sep 15, 2025
make_se_grid.sh tool is broken Open

after CESM3_0 bug CoupledEval3

ESCOMP/CAM#1390 · 3 comments · 2 assignees · Opened Sep 13, 2025
Chemistry preprocessor broken on derecho Open

bug CoupledEval3

ESCOMP/CAM#1389 · 1 assignee · Opened Sep 12, 2025
Update CLUBB+MF to latest version Open

enhancement

ESCOMP/CAM#1370 · 1 assignee · Opened Aug 21, 2025
Add height dependence option to the ZM convection entrainment rate (dmpdz) Open

answer changing CoupledEval4 -wish list enhancement

ESCOMP/CAM#1350 · 3 comments · 1 assignee · Opened Jul 22, 2025
GEOS-Chem restart tests fails Open

bug

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

ESCOMP/CAM#1344 · Opened Jul 7, 2025
Update ESCOMP/CAM landing page to contain the release branch for CESM3 Open

CoupledEval3 Must have CESM3

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

ESCOMP/CAM#1342 · 1 comment · Opened Jul 3, 2025
New PUMAS tag coming with ML updates Open

enhancement

ESCOMP/CAM#1334 · 1 comment · 1 assignee · Opened Jun 24, 2025
Update handle_allocate_error to include errmsg Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

ESCOMP/CAM#1322 · 2 comments · Opened Jun 9, 2025
Add check to reduce CESM log output for imp_sol Open

ESCOMP/CAM#1312 · 5 comments · 1 assignee · Opened May 22, 2025
aux_pumas test list is out of date Open

ESCOMP/CAM#1310 · 2 comments · 1 assignee · Opened May 15, 2025
out-of-the-box functionality for dyamond configuration Open

CoupledEval3 enhancement

ESCOMP/CAM#1305 · 3 comments · 1 assignee · Opened May 6, 2025
Convert all tests to the mt232 mask. Open

answer changing enhancement Must have CESM3

ESCOMP/CAM#1280 · 1 assignee · Opened Mar 17, 2025
ndep_nflds needs to be set by CAM/WACCM when ndep is provided so CTSM uses the ndep from CAM Open

bug CoupledEval3

ESCOMP/CAM#1272 · 9 comments · 1 assignee · Opened Mar 13, 2025
Add modifications to ZM convection to enable deeper convection Open

CoupledEval3 CoupledEval4 -wish list enhancement

ESCOMP/CAM#1264 · 6 comments · 1 assignee · Opened Feb 25, 2025

ESCOMP/CAM

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