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Add JEDI ATM equivalent to GSI eobs #2415

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RussTreadon-NOAA opened this issue Mar 20, 2024 · 2 comments · Fixed by #2833
Closed

Add JEDI ATM equivalent to GSI eobs #2415

RussTreadon-NOAA opened this issue Mar 20, 2024 · 2 comments · Fixed by #2833
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@RussTreadon-NOAA
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RussTreadon-NOAA commented Mar 20, 2024

What new functionality do you need?

Add a JEDI ATM equivalent of the GSI based eobs

What are the requirements for the new functionality?

Run JEDI local ensemble application in observer mode. This is done via a JEDI ATM eobs equivalent to run between the existing atmensanlinit and atmensanletkf.

Acceptance Criteria

Cycle JEDI ATM local ensemble DA more efficiently with the addition of an observer job

Suggest a solution (optional)

Add a new job, atmensanlobs, to scripts in workflow/ Anticipate making changes to

  • workflow/applications/applications.py
  • workflow/applications/gfs_cycled.py
  • workflow/rocoto/gfs_tasks.py
  • workflow/rocoto/tasks.py
@RussTreadon-NOAA RussTreadon-NOAA added feature New feature or request triage Issues that are triage labels Mar 20, 2024
@RussTreadon-NOAA RussTreadon-NOAA self-assigned this Mar 20, 2024
@RussTreadon-NOAA
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Work for this issue will be done in RussTreadon-NOAA:feature/ensda_obs

@WalterKolczynski-NOAA WalterKolczynski-NOAA removed the triage Issues that are triage label Mar 20, 2024
RussTreadon-NOAA added a commit to RussTreadon-NOAA/global-workflow that referenced this issue Mar 20, 2024
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@RussTreadon-NOAA
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Work with @TravisElless-NOAA to run GDASApp lgetkf in two steps: observer and solver. Doing so results in a significant reduction in both memory usage and run time over a single execution of lgtekf which includes both the observer and solver.

Given this result the effort to add a JEDI equivalent to eobs will be resumed.

@RussTreadon-NOAA RussTreadon-NOAA changed the title Add JEDI ATM equivalent to eomg & eobs Add JEDI ATM equivalent to GSI eobs Jul 31, 2024
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WalterKolczynski-NOAA pushed a commit that referenced this issue Aug 28, 2024
This PR adds JEDI ATM lgetkf observer and solver jobs to
global-workflow. This is approach is akin GSI-based eobs and eupd.
Splitting the single JEDI ATM lgetkf job into separate observer and
solver jobs improves memory and computational efficiency.

Resolves #2415
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