documentation for filter_nml

[hkershaw-brown]

1. Difficult to find, does not show up in search (needs search term adding)

2. https://docs.dart.ucar.edu/en/latest/assimilation_code/modules/assimilation/filter_mod.html#namelist

Is this true? (No?) That a list of files is not supported. The option is in the code

input_state_files	character(len=256), dimension(MAXFILES)	A list of the NetCDF files to open to read the state vectors. Models using multiple domains must put the domain and ensemble numbers in the file names. The order and format of those is to be determined. NOT SUPPORTED as of March, 2017.

"The order and format of those is to be determined." 🙃

Same table for output_state_files:

output_state_files	character(len=256), dimension(MAXFILES)	A list of the netCDF files to open for writing updated state vectors. Not supported when using multiple domains.

The first search result for filter_nml is "diffs from lanai" which has a subset of namelist options, talks about list of files for small models.

https://docs.dart.ucar.edu/en/latest/guide/Manhattan_diffs_from_Lanai.html#filter-nml