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Forcing files are generated using an IFS CY43R3 experiment. For this to succeed you will need to be able to submit an IFS suite using prepIFS. You will further need to make a local copy of a scripts branch using Git.

A local copy of scripts branch damk_CY43R3_getrelax is required. This branch (gen/getrelax) copies the forcing files from the /fws working directory to $SCRATCH/rlxml/. At present the directory rlxml must exist in the user's scratch space with 777 writing permissions.

Panel
bgColor#f0f0ff
titleTasks - Prepare scripts branch
  1. Add repository of user damk :  git ifsremote damk
  2. Make a copy of the scripts branch:  git ifsbranch -B damk_CY43R3_getrelax -b mygetrelax


IFS experiment h7z9 is set up for nudged configuration and the inigroup task family (shown in XCdp workflow GUI) will retrieve ERA-Interim re-analyses from the MARS archive and generate the required forcing files.

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Panel
bgColor#f0f0ff
titleTasks - Prepare IFS experiment
  1. Start prepIFS
  2. In menu "File" click on "Add user" and include experiments from user damk
  3. Copy experiment h7z9
  4. Set INIBEGINDATE and INIENDDATE to 2013070100
  5. Set INIBY to zero
  6. The INITIME list of individual initial dates should have just one entry, 2013070100
  7. Set FCLENGTH to 744 to create forcing files for one calendar month

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For every 6-hour period the IFS suite will create one gridpoint and one spectral forcing file from ERA-Interim analyses at T255L60 reduced linear Gaussian horizontal grid. It is essential that the forcing files have the same horizontal grid and vertical levels as the OpenIFS experiment.

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