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NCAR

94 indexed repositories · View on GitHub

wrf-python
A collection of diagnostic and interpolation routines for use with output from the Weather Research and Forecasting (WRF-ARW) Model.

Python · 498 stars
DART
Data Assimilation Research Testbed

Fortran · 263 stars
wrf_hydro_nwm_public
WRF-Hydro model code

Fortran · 248 stars
geocat-comp
GeoCAT-comp provides implementations of computational functions for operating on geosciences data. Many of these functions originated in ...

Python · 145 stars
FastEddy-model
An NSF NCAR developed, parallelized and GPU-resident, large-eddy simulation code for accelerated modeling of the atmospheric boundary lay...

C · 128 stars
lrose-core
Core C/C++ code for LROSE.

C++ · 117 stars
noahmp
Noah-MP Community Repository

Fortran · 109 stars
miles-credit
NCAR MILES Community Research Earth Digital Intelligence Twin (CREDIT): research platform for ML Earth system prediction models.

Python · 104 stars
ccpp-physics
Collection of physics parameterizations compliant with the Common Community Physics Package (CCPP) framework

Fortran · 78 stars
geocat-examples
GeoCAT-examples provides a gallery of visualization examples demonstrating how to reproduce plots from NCL Applications scripts with pack...

Python · 74 stars
hrldas
HRLDAS (High Resolution Land Data Assimilation System)

Jupyter Notebook · 66 stars
geocat-viz
GeoCAT-viz contains tools to help plot geoscience data, including convenience and plotting functions that are used to facilitate plotting...

Python · 65 stars
ADF
A unified collection of python scripts used to generate standard plots from CAM outputs.

Python · 50 stars
music-box
A box/column model using MICM chemistry

Jupyter Notebook · 37 stars
CUPiD
CUPiD is a “one stop shop” that enables and integrates timeseries file generation, data standardization, diagnostics, and metrics from al...

Jupyter Notebook · 34 stars
wrf_hydro_gis_preprocessor

Python · 30 stars
CESM-Tutorial

Jupyter Notebook · 29 stars
Topo
NCAR Global Model Topography Generation Software for Unstructured Grids

Fortran · 29 stars
WrfHydroForcing
Python forcing engine for WRF-Hydro

Python · 28 stars
tiegcm
The Official NCAR TIEGCM GitHub repository

Fortran · 27 stars
74 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Gen 1 Unstaggered Wind Bug Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 92/100

NCAR/miles-credit#506 · Opened Sep 17, 2026
Change the default SfcLayer scheme for 15 km mesh as `sf_monin_obukhov_rev` Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 92/100

NCAR/MPAS-Workflow#438 · Opened Sep 15, 2026
Zero-pad years in datetime strings using i4.4 Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

NCAR/fire_behavior#50 · Opened Sep 14, 2026
Need to update CCPPStandardNames --> ESMStandardNames Open

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

NCAR/ccpp-doc#83 · Opened Sep 9, 2026
standard_scaler.json file not found Open

gen2-hardening

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

NCAR/miles-credit#499 · 1 comment · 1 reaction · Opened Sep 9, 2026
QuickStart: Missing section for rollout Open

gen2-hardening

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

NCAR/miles-credit#497 · 1 reaction · Opened Sep 9, 2026
credit plot breaks with --denorm flag Open

gen2-hardening

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

NCAR/miles-credit#496 · Opened Sep 9, 2026
Consistent naming convention for config file in QuickStart guide Open

documentation gen2-hardening

Difficulty 1/5 Under an hour Newbie friendliness 74/100

NCAR/miles-credit#493 · Opened Sep 9, 2026
Invalid data parallelism default value (ddp) during config generation Open

gen2-hardening

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

NCAR/miles-credit#491 · Opened Sep 9, 2026
Better clarification to accept defaults Open

documentation gen2-hardening

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

NCAR/miles-credit#490 · Opened Sep 9, 2026
Credit "begin" not included in initial help Open

documentation gen2-hardening

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

NCAR/miles-credit#487 · Opened Sep 9, 2026
Remove `write multiple files` key from `config/jedi/ObsPlugs/enkf/ObsAnchors.yaml` Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 88/100

NCAR/MPAS-Workflow#433 · Opened Sep 8, 2026
Add assertions to policy test Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NCAR/micm#1069 · Opened Aug 18, 2026
[nc_sane] Dataset.dims changes Open

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

NCAR/aircraft_nc_utils#21 · Opened Aug 6, 2026
v0 parser drops photolysis reactions with no reactants Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NCAR/musica#986 · Opened Jul 26, 2026
numpy time warnings Open

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

NCAR/pyDARTdiags#139 · Opened Jul 22, 2026
Make ocean catalogs a submodule of mom6-tools Open

CROCODILE

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

NCAR/mom6-tools#95 · 1 comment · Opened Jul 21, 2026
Add aerosol objects to the mechanism configuration docs Open

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

NCAR/MechanismConfiguration#300 · 1 comment · Opened Jul 16, 2026
hybrid coordinate wrf Open

wrf wrf-chem

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

NCAR/DART#1148 · 5 comments · Opened Jul 13, 2026
Missing Arduino.h include causes delay() compile error on ESP32 Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

NCAR/esp32-atomlite-arduino-iotwx#19 · Opened Jul 8, 2026
Small adjustment needed in IoTwx.cpp compile error Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

NCAR/esp32-atomlite-arduino-iotwx#18 · Opened Jul 8, 2026
Uncaught error in MOPITT data collection Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NCAR/ADF#460 · Opened Jul 3, 2026
Delete Configuration Open

component: API priority: high type: bug

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

NCAR/wrfcloud#240 · Opened Jul 2, 2026
Update replace_yaml to populate version comment with correct comment Open

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

NCAR/aircraft_projects#38 · Opened Jul 2, 2026
Remove unused metadata attribute state_variable Open

capgen capgen-unification

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NCAR/ccpp-framework#753 · Opened May 8, 2026
Update website, citations Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

NCAR/musica#865 · Opened Apr 29, 2026
Replace autopep 8 with ruff Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

NCAR/music-box#460 · Opened Apr 27, 2026
Set status tags: "inactive" Open

blocked

Difficulty 1/5 Under an hour Newbie friendliness 62/100

NCAR/geocat-viz#347 · Opened Apr 16, 2026
Plotting obs data in rof/global_discharge_ocean_compare_obs.ipynb throws exception Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

NCAR/CUPiD#401 · Opened Apr 15, 2026
Add SO versions Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

NCAR/musica#834 · Opened Apr 7, 2026
Update python example dependency Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NCAR/musica#825 · Opened Apr 2, 2026
dart_time_io_mod.f90 uses its own local has_unlimited Open

IO

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

NCAR/DART#1076 · 1 comment · Opened Mar 16, 2026
note on bufr units Open

Documentation

Difficulty 1/5 1-3 hours Newbie friendliness 62/100

NCAR/DART#1074 · Opened Mar 12, 2026
CHAP Allocations Historical Image Open

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

NCAR/HPC-Docs#328 · 1 comment · Opened Oct 22, 2025
ESMX Build Fails with ESMF v8.9.0 (fix included) Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

NCAR/fire_behavior#15 · Opened Aug 27, 2025
bug in bnrh_distribution_mod.f90 Open

QCEFF

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

NCAR/DART#951 · 3 comments · Opened Aug 25, 2025
net_a unused assim_tools_mod.f90 Open

dead-code Refactor

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

NCAR/DART#946 · Opened Aug 13, 2025
Update shallow_swap.acc.c with bug fixes from shallow_swap.c Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

NCAR/SWM#18 · Opened Feb 29, 2024
Update RG-15 wiring docs Open

Difficulty 1/5 Under an hour Newbie friendliness 70/100

NCAR/esp32-atomlite-arduino-iotwx#16 · Opened Nov 21, 2023
Snow depth variable descriptors are incorrect in GFS_surface_composites*meta Open

bug CCPP v7

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

NCAR/ccpp-physics#969 · Opened Sep 21, 2022
Need to update nhtfrq description in gh-pages branch Open

type: documentation

Difficulty 1/5 Under an hour Newbie friendliness 68/100

NCAR/CAM#14 · Opened Nov 2, 2020

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