ESCOMP/CESM

View on GitHub

The Community Earth System Model

Stars: 491
Forks: 246
Open beginner issues: 1
Indexed issues: 39
Avg merge: 7h 16m
Merged PRs (30d): 7

Dominant language: Python
License: No license data
Last GitHub push: Sep 18, 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

Open All

39 open issues indexed

There are no default PE layouts using the tx2_3v3 grid Open

ESCOMP/CESM#423 · 1 assignee · Opened Sep 8, 2026
No default PE layout on derecho for CESM3 development runs with MARBL Open

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

ESCOMP/CESM#422 · Opened Sep 8, 2026
ESMF-aware threading is currently broken Open

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

ESCOMP/CESM#421 · Opened Sep 8, 2026
New Dart tests are failing Open

ESCOMP/CESM#419 · 3 comments · 1 assignee · Opened Jul 31, 2026
Consider switching CESM to a CMake-based build Open

enhancement

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

ESCOMP/CESM#413 · 2 comments · 1 reaction · Opened Jul 8, 2026
Update compset long names in testlist_allactive.xml Open

ESCOMP/CESM#408 · 1 comment · 1 assignee · Opened Jun 16, 2026
FTorch component should be ToplevelRequired Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

ESCOMP/CESM#386 · 1 comment · Opened Mar 10, 2026
Intel message to stderr causes setup to fail Open

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

ESCOMP/CESM#378 · 1 comment · 1 reaction · Opened Feb 25, 2026
Improve testing strategy for infrastructure repositories (CMEPS, CDEPS, share, CIME, etc.) Open

enhancement

ESCOMP/CESM#356 · 9 comments · 1 reaction · 1 assignee · Opened Sep 30, 2025
Include Source Grid/Mesh File Attribute in CESM Output Open

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

ESCOMP/CESM#331 · 3 comments · Opened Apr 21, 2025
hybrid start of F case from B case Open

ESCOMP/CESM#287 · 1 assignee · Opened Sep 11, 2024
README.rst still references manage_externals Open

Difficulty 1/5 Under an hour Newbie friendliness 48/100

ESCOMP/CESM#282 · 1 comment · Opened Sep 3, 2024
github workflow process false positive Open

ESCOMP/CESM#281 · 1 assignee · Opened Sep 2, 2024
ERS_Ln144.ne30pg3_t232.BLT1850.derecho_intel.allactive-defaultio FAILS Open

ESCOMP/CESM#276 · 1 assignee · Opened Aug 19, 2024
izumi_nag mpi-serial tests fail starting in cesm3_0_alpha02a where mct was removed Open

bug

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

ESCOMP/CESM#266 · Opened Jul 17, 2024
CSV table in cesm_configurations.rst is too wide Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

ESCOMP/CESM#263 · Opened Jul 8, 2024
ERR tests failing in cesm2_3_beta17 Open

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

ESCOMP/CESM#251 · 1 comment · Opened May 20, 2024
Once rework of model output time is complete across most components, review new outputs to make sure they look good Open

enhancement

ESCOMP/CESM#246 · 1 assignee · Opened Apr 16, 2024
the url of https://github.com/CFMIP/COSPv2.0/ in the external.cfg was brock. Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

ESCOMP/CESM#244 · 1 comment · Opened Mar 27, 2024
Add support for changing the year when starting a branch run Open

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

ESCOMP/CESM#243 · Opened Mar 12, 2024
Remove SLIM from cesm2_3_beta18 tags... Open

enhancement

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

ESCOMP/CESM#241 · Opened Feb 20, 2024
Top level README is way out of date. Open

ESCOMP/CESM#240 · 1 comment · 1 assignee · Opened Jan 18, 2024
MizuRoute compsets fail in first version put into cesm2_3_alpha16b Open

bug Responsibility: CTSM

ESCOMP/CESM#239 · 1 comment · 1 assignee · Opened Jan 8, 2024
Improve documentation of compset forcing time period Open

documentation

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

ESCOMP/CESM#226 · 1 comment · Opened Sep 12, 2023
Add a compset alias for running fully coupled with MOM and mizuRoute Open

enhancement Responsibility: CTSM

ESCOMP/CESM#225 · 1 comment · 1 assignee · Opened Aug 3, 2023
Typo in statistical_ensemble_test/single_run.py Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

ESCOMP/CESM#213 · 1 comment · Opened Jul 4, 2022
Standardize the naming and attributes of ancillary time arrays across components Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

ESCOMP/CESM#194 · 32 comments · Opened Nov 3, 2021
Reduce log output from non-master task across all components Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

ESCOMP/CESM#192 · Opened Nov 3, 2021
Improve support for making a new grid and mesh Open

enhancement

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

ESCOMP/CESM#190 · 1 comment · Opened Nov 2, 2021
Add default layouts for new SE/FV3 grids Open

enhancement

ESCOMP/CESM#163 · 2 comments · 2 assignees · Opened Aug 11, 2020
Revise documentation on how to use a branch of a component within a CESM checkout Open

documentation

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

ESCOMP/CESM#139 · 20 comments · Opened Mar 18, 2020
Add to quick start documentation: once you create a case, do not change the sandbox Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 45/100

ESCOMP/CESM#129 · 3 comments · Opened Oct 10, 2019
Update J1850G compset Open

ESCOMP/CESM#90 · 2 comments · 1 assignee · Opened Oct 19, 2018
Updates to output file, naming conventions Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 28/100

ESCOMP/CESM#70 · 2 comments · Opened Aug 12, 2018
Move Fortran Compiler Bug List to wiki here Open

documentation

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

ESCOMP/CESM#34 · Opened Apr 3, 2018
Add the gfdl fms library into externals Open

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

ESCOMP/CESM#29 · 3 comments · Opened Mar 13, 2018
Need a way to determine what release of checkout_externals was used in a specific CESM tag Open

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

ESCOMP/CESM#28 · 1 comment · Opened Mar 5, 2018
Add documentation to README on working with git externals Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 30/100

ESCOMP/CESM#3 · 1 comment · Opened Nov 17, 2017
Incorporate testing documentation from google doc Open

documentation

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

ESCOMP/CESM#1 · 3 comments · Opened Nov 16, 2017

ESCOMP/CESM

Get new issues in your inbox