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For cases where FHOUT_GFS_ICE is 24 and initialized at a time that is not 00Z, CICE files are not properly linked to COMROOT. This results in missing CICE hist files in COMROOT. After investigating this issue on WCOSS2, this happens because the raw CICE output is not averaged for a full 24 hours for the first lead time. For example, if the initialization time is 12Z and FHOUT_GFS_ICE is 24, the first lead time will only be averaged from 12Z to 00Z. Subsequent lead times are averaged from 00Z to 00Z. The global-workflow predetermines that the CICE output will be averaged from 12Z to 12z, which results in the global workflow creating links that do not match the raw CICE filenames, resulting in the CICE output not to save in COMROOT.
What should have happened?
It may be ideal that CICE be averaged for a full 24 hours for the first lead time. For example, if the initialization time is 12Z and FHOUT_GFS_ICE is 24, the first lead time should be averaged from 12Z to 12Z. Subsequent lead times should be averaged from 12Z to 12Z. An alternative positive outcome would be for the global-workflow to correctly predetermine the name of the CICE output in these particular cases.
What machines are impacted?
WCOSS2
Steps to reproduce
Set FHOUT_GFS_ICE to 24 in config.base.
Run a case that is not initialized at t00Z (e.g. t12z).
Additional information
This issue has been tested on WCOSS2, but it most likely impacts all platforms. The list of CICE output below illustrates how the global-workflow is not picking up the raw CICE output.
Do you have a proposed solution?
This issue has been initially addressed in PR #2561. In this PR, CICE_predet and CICE_postdet were modified so that the global-workflow can correctly predetermine the name of the raw CICE output (as illustrated in the image below). Also, the oceanice prod task was modified accordingly to account for the CICE filename changes in these cases. However, further fixes will need to be made to consider cases where FHMIN is not 0.
The text was updated successfully, but these errors were encountered:
What is wrong?
For cases where
FHOUT_GFS_ICE
is 24 and initialized at a time that is not 00Z, CICE files are not properly linked to COMROOT. This results in missing CICE hist files in COMROOT. After investigating this issue on WCOSS2, this happens because the raw CICE output is not averaged for a full 24 hours for the first lead time. For example, if the initialization time is 12Z and FHOUT_GFS_ICE is 24, the first lead time will only be averaged from 12Z to 00Z. Subsequent lead times are averaged from 00Z to 00Z. The global-workflow predetermines that the CICE output will be averaged from 12Z to 12z, which results in the global workflow creating links that do not match the raw CICE filenames, resulting in the CICE output not to save in COMROOT.What should have happened?
It may be ideal that CICE be averaged for a full 24 hours for the first lead time. For example, if the initialization time is 12Z and
FHOUT_GFS_ICE
is 24, the first lead time should be averaged from 12Z to 12Z. Subsequent lead times should be averaged from 12Z to 12Z. An alternative positive outcome would be for the global-workflow to correctly predetermine the name of the CICE output in these particular cases.What machines are impacted?
WCOSS2
Steps to reproduce
FHOUT_GFS_ICE
to 24 inconfig.base
.Additional information
This issue has been tested on WCOSS2, but it most likely impacts all platforms. The list of CICE output below illustrates how the global-workflow is not picking up the raw CICE output.
Do you have a proposed solution?
This issue has been initially addressed in PR #2561. In this PR, CICE_predet and CICE_postdet were modified so that the global-workflow can correctly predetermine the name of the raw CICE output (as illustrated in the image below). Also, the oceanice prod task was modified accordingly to account for the CICE filename changes in these cases. However, further fixes will need to be made to consider cases where
FHMIN
is not 0.The text was updated successfully, but these errors were encountered: