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Please only use the 2013102400 start date to ensure we can create the full ensemble from everyone's runs in the class. Use the createENS command to create an ensemble with just a single member .(use the option -m 1) |
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Change to the experiment directory labelled by the date chosen:
There are two experiment directories: cf000 and pf001. cf000 is for the control forecast which is not used here. pf001 is the single perturbation forecast.
Understand what the different files in the experiment directory are for. Initial filesICM* : these are the initial starting files. ICMGG* are the initial gridpoint files, ICMSH* are the initial spectral fields. Note that part of the file name is 'oifs'. This is known as the 'experiment id' (exptid). It is also encoded into the Grib file itself. Use the 'grib_ls' command to examine the initial files:
Fortran namelistThe file: namelistfc is the model 'NAMELIST'. It contains a list of variable settings or 'switches' that control what the model does. These variables are grouped into separate fortran namelists. The model will read this file when it starts up. There are many options to control the model. For more information, it is best and recommended to check the comments in the code. Please ask if you are interested. |
Creating the OpenIFS namelist
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