Home > User’s guide > 2. Overview of the externalized surface sequence > 2.2. The atmospheric models using the externalized surface > 2.2.1. In offline mode

2.2.1. In offline mode

Latest update : 23 November 2011.

In this case, several types of files can be used:

  • ASCII files, not efficient in term of storage, but completely portable.
  • TEXTE files, not efficient in term of storage, but completely portable.
  • netcdf files, that can be used by the program code "OFFLIN".
  • BINARY files, increases the efficiency of the system.
  • LFI files, increases the efficiency of the system. This special format is used in meso-NH and Arome models for surface fields.
  • FA files, This special format is used for Arpege and Aladin models.

currently, PGD and PREP steps may be done using ASCII, LFI or FA files, and also the run produces time series of each variable (prognostic or diagnostic) in any of the formats listed above files and the output instant of the run in an ASCII, LFI or FA file.

The namelists are all included in the namelist file named OPTIONS.nam

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