Write NOAA GEFS netCDF
Arguments
- df
data frame of meterological variables to be written to netcdf. Columns must start with time with the following columns in the order of `cf_units`
- ens
ensemble index used for subsetting df
- lat
latitude in degree north
- lon
longitude in degree east
- cf_units
vector of variable names in order they appear in df
- output_file
name, with full path, of the netcdf file that is generated
- overwrite
logical to overwrite existing netcdf file