Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

JEDI-based ensemble recentering and analysis calculation #1488

Open
wants to merge 37 commits into
base: develop
Choose a base branch
from

Conversation

DavidNew-NOAA
Copy link
Collaborator

@DavidNew-NOAA DavidNew-NOAA commented Feb 10, 2025

Description

This PR creates a JEDI-based ensemble recentering application. It computes a "correction increment", which when added the the ensemble increments, yields the recentered increments. Some miscellaneous JCB parameters are also created.

Companion PRs

Global Workflow PR #3312
JCB-GDAS PR #72

Issues

Global Workflow Issue #3248

Automated CI tests to run in Global Workflow

  • atm_jjob
  • C96C48_ufs_hybatmDA
  • C96C48_hybatmaerosnowDA
  • C48mx500_3DVarAOWCDA
  • C48mx500_hybAOWCDA
  • C96C48_hybatmDA

@DavidNew-NOAA DavidNew-NOAA added the DO NOT MERGE PR is not ready to be merged yet label Feb 10, 2025
parm/atm/jcb-base.yaml.j2 Outdated Show resolved Hide resolved
utils/fv3jedi/fv3jedi_ecen.h Outdated Show resolved Hide resolved
@DavidNew-NOAA
Copy link
Collaborator Author

I made a custom fv3jedi_add_increments utility in GDASApp to be used in the analysis calculation, because I talked with @danholdaway yesterday, and it's not a good idea physically to interpolate increments rather that states. Now, I add the cubed-sphere backgrounds and increments, interpolate the resulting analysis to the Gaussian grid, and insert the analysis variables into the UFS Gaussian histories to get analyses acceptable to UPP.

The reason I don't use the OOPS addincrement utility is that you can only add one state and one increment, and a I need to add several for different forecast hours. My utility allows one to specify a list, much like convertstate allows.

@DavidNew-NOAA DavidNew-NOAA removed the DO NOT MERGE PR is not ready to be merged yet label Feb 14, 2025
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants