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rad_3dvar_to_dart.rst

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PROGRAM rad_3dvar_to_dart

Overview

Programs to convert MM5 3D-VAR 2.0 Radar data files into DART observation sequence files. The capability of the program is limited to DOPPLER_RADIAL_VELOCITY and RADAR_REFLECTIVITY.

Namelist

This namelist is read from the file input.nml. Namelists start with an ampersand '&' and terminate with a slash '/'. Character strings that contain a '/' must be enclosed in quotes to prevent them from prematurely terminating the namelist.

&rad_3dvar_to_dart_nml
   var_file = 'qc_radr_3dvar_2002083100.dat',
   obs_seq_out_file_name = 'obs_seq.out',
   calendar_type = 3  
/
Item Type Description
var_file character(len=129) This is the name of the file containing MM5 3D-VAR 2.0 Radar observations.
obs_seq_out_file_name character(len=129) File name for output observation sequence file.
calendar_type integer Calendar type. We recommend using 3 (GREGORIAN).

Modules directly used

types_mod
obs_sequence_mod
obs_def_mod
obs_def/obs_def_radar_mod
obs_kind_mod
location/threed_sphere/location_mod
time_manager_mod
utilities_mod

Modules indirectly used

assim_model_mod
models/wrf/model_mod
models/wrf/module_map_utils
random_seq_mod

Files

  • input namelist ; input.nml
  • Input observation file; qc_radr_3dvar_2002083100.dat
  • Output observation file; obs_seq.out

File formats

input.nml and qc_radr_3dvar_2002083100.dat are ASCII files. obs_seq.out is either ASCII or binary, depending on the logical write_binary_obs_sequence, which is the namelist entry for obs_sequence_mod.

References