NOAA-EMC/GDASApp

View on GitHub

Global Data Assimilation System Application

Stars: 25
Forks: 51
Open beginner issues: 0
Indexed issues: 137
Avg merge: 2d 1h
Merged PRs (30d): 6

Dominant language: Jinja
License: LGPL-2.1
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

137 open issues indexed

Div by zero error in snow elevation adjustment Open

NOAA-EMC/GDASApp#2251 · 1 comment · 3 assignees · Opened Sep 10, 2026
gdas.x failures when processing CrIS and IASI Open

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

NOAA-EMC/GDASApp#2250 · 5 comments · Opened Sep 7, 2026
Port RDAS tool to combine conventional yaml Open

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

NOAA-EMC/GDASApp#2248 · 7 comments · Opened Sep 3, 2026
Hourly FGAT Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

NOAA-EMC/GDASApp#2247 · Opened Sep 3, 2026
IAU analysis increments Open

ALGO

Difficulty 3/5 1-2 days Newbie friendliness 48/100

NOAA-EMC/GDASApp#2246 · Opened Aug 31, 2026
Cycled radiance bias correction Open

ALGO

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

NOAA-EMC/GDASApp#2245 · Opened Aug 31, 2026
2m hofx from surface file Open

ALGO

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

NOAA-EMC/GDASApp#2244 · 1 comment · Opened Aug 31, 2026
Scale dependent localization Open

ALGO

Difficulty 3/5 1-2 days Newbie friendliness 52/100

NOAA-EMC/GDASApp#2243 · Opened Aug 31, 2026
Huber norm Open

ALGO

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

NOAA-EMC/GDASApp#2242 · Opened Aug 31, 2026
Nonlinear variational quality control Open

ALGO

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

NOAA-EMC/GDASApp#2241 · Opened Aug 31, 2026
Cycled aircraft bias correction Open

ALGO

Difficulty 3/5 1-2 days Newbie friendliness 48/100

NOAA-EMC/GDASApp#2240 · Opened Aug 31, 2026
Apply weak constraints over all time levels in 4D mode Open

ALGO

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

NOAA-EMC/GDASApp#2239 · Opened Aug 31, 2026
Dry mass constraint Open

ALGO

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

NOAA-EMC/GDASApp#2238 · Opened Aug 31, 2026
Flow dependent background error Open

ALGO

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

NOAA-EMC/GDASApp#2237 · Opened Aug 31, 2026
Validate second (multiple) outer loops Open

ALGO

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

NOAA-EMC/GDASApp#2236 · Opened Aug 31, 2026
Negative and supersaturation moisture constraints Open

ALGO

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

NOAA-EMC/GDASApp#2235 · Opened Aug 31, 2026
Missing drifter omb stats in rzdm Open

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

NOAA-EMC/GDASApp#2233 · Opened Aug 27, 2026
Split out stationPressure yamls into adpsfc, sfcship, and adpupa. Open

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

NOAA-EMC/GDASApp#2231 · Opened Aug 26, 2026
Streamline adpsfc stationPressure j2 specs Open

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

NOAA-EMC/GDASApp#2230 · Opened Aug 26, 2026
MOM6 global mass tendency may not be zero in GFS real-time and reanalysis Open

soca

NOAA-EMC/GDASApp#2229 · 33 comments · 1 assignee · Opened Aug 24, 2026
HofX difference after FOV-averaging Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

NOAA-EMC/GDASApp#2222 · Opened Aug 19, 2026
Geovals in 3dvar Open

NOAA-EMC/GDASApp#2221 · 3 comments · 1 assignee · Opened Aug 19, 2026
Document ATMS_N20 phase2 and phase3 evaluations Open

NOAA-EMC/GDASApp#2220 · 1 assignee · Opened Aug 19, 2026
Clean-up stationPressure yamls in jcb-gdas Open

NOAA-EMC/GDASApp#2202 · 1 assignee · Opened Aug 3, 2026
Improve the QC of the insitu profiles Open

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

NOAA-EMC/GDASApp#2194 · 2 comments · Opened Jul 13, 2026
Preparing to turn on the EnVAR: Localization Open

soca

NOAA-EMC/GDASApp#2170 · 1 assignee · Opened Jun 12, 2026
Compilation warnings in non-debug mode for GFSv17 Open

NOAA-EMC/GDASApp#2162 · 11 comments · 1 reaction · 1 assignee · Opened Jun 5, 2026
Prepare marine ensembles for estimating spatial correlations Open

NOAA-EMC/GDASApp#2161 · 2 comments · 2 assignees · Opened Jun 5, 2026
Switch from AMSR2 seaice concentration to AMSR3 Open

NOAA-EMC/GDASApp#2159 · 1 assignee · Opened Jun 2, 2026
Better sea ice thickness and snow depth insertion into CICE files Open

soca

NOAA-EMC/GDASApp#2152 · 1 comment · 1 assignee · Opened May 28, 2026
Speed up file copies in marine letkf and recentering Open

soca

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

NOAA-EMC/GDASApp#2150 · 4 comments · Opened May 26, 2026
Replace COM Tmpls with environmently set COM values Open

NOAA-EMC/GDASApp#2148 · 3 comments · 1 assignee · Opened May 20, 2026
Add terrain-based bias correction to station T obs, and change variable name. Open

NOAA-EMC/GDASApp#2137 · 1 assignee · Opened May 11, 2026
Track coupled DA (Atmos–Ocean–Sea Ice) testing support Open

NOAA-EMC/GDASApp#2133 · 1 comment · 2 assignees · Opened May 6, 2026
Update aircraft for instantaneousAltitudeRate Open

NOAA-EMC/GDASApp#2122 · 1 assignee · Opened Apr 15, 2026
UFO configurations for MHS radiance data in JCB-gdas Open

enhancement

NOAA-EMC/GDASApp#2115 · 1 comment · 1 assignee · Opened Apr 8, 2026
Outdated snow depletion parameters used in gdas_fv3jedi_calc_scf_to_ioda.h Open

NOAA-EMC/GDASApp#2112 · 1 comment · 1 assignee · Opened Apr 7, 2026
Save marine ensemble mean in the ensemble recentering app Open

NOAA-EMC/GDASApp#2090 · 2 comments · 1 assignee · Opened Mar 11, 2026
The increment qc fix needs be in develop as well Open

NOAA-EMC/GDASApp#2089 · 1 assignee · Opened Mar 10, 2026
update MOM6 and its cmake file list Open

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

NOAA-EMC/GDASApp#2067 · 10 comments · Opened Feb 12, 2026
Remove csg prefix from jedi_increment filename Open

NOAA-EMC/GDASApp#2063 · 1 comment · 1 assignee · Opened Feb 9, 2026
Upgrade to spack-stack 2.x Open

NOAA-EMC/GDASApp#2057 · 7 comments · 1 assignee · Opened Jan 30, 2026
marine_bmat and other tasks can't find fix files for 0.25 deg exp Open

NOAA-EMC/GDASApp#2056 · 2 comments · 1 assignee · Opened Jan 29, 2026
Update jcb-base for aircraft varbc Open

NOAA-EMC/GDASApp#2035 · 1 assignee · Opened Jan 12, 2026
Zero stratospheric humidity increments Open

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

NOAA-EMC/GDASApp#2034 · Opened Jan 9, 2026
Evaluate parallel tests of JEDI and GSI Open

NOAA-EMC/GDASApp#2032 · 2 comments · 1 assignee · Opened Jan 7, 2026
GNSSRO operator comparison Open

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

NOAA-EMC/GDASApp#2012 · 6 comments · Opened Dec 17, 2025
C96_gcafs_cycled gcdas_aeroanlgenb failure following PR #1991 Open

NOAA-EMC/GDASApp#1994 · 5 comments · 2 assignees · Opened Dec 4, 2025
Need to correctly process ice and snow thickness from history files Open

gfsv18 soca

NOAA-EMC/GDASApp#1975 · 7 comments · 1 assignee · Opened Nov 10, 2025
Update marine increment postproc app to optionally nudge to ice/snow climatology Open

gfsv18 soca

NOAA-EMC/GDASApp#1968 · 8 comments · 1 reaction · 3 assignees · Opened Nov 4, 2025

NOAA-EMC/GDASApp

Get new issues in your inbox