wrfv2_fire/test/em_real/examples.namelist

   1 Note, this is not a namelist.input file. Find what interests you, and cut and paste them
   2       to your own namelist.input file. For more information on these namelist parameters,
   3       please see run/README.namelist or Chapter 5 of the User's Guide.
   4
   5 ** More options for real in namelist record &domains:
   6
   7  p_top_requested                     = 5000
   8  interp_type                         = 2
   9  extrap_type                         = 2
  10  t_extrap_type                       = 2
  11  lowest_lev_from_sfc                 = .false.
  12  use_levels_below_ground             = .true.
  13  use_surface                         = .true.
  14  lagrange_order                      = 1
  15  force_sfc_in_vinterp                = 1
  16  zap_close_levels                    = 500
  17  sfcp_to_sfcp                        = .false.
  18  adjust_heights                      = .false.
  19  smooth_cg_topo                      = .false.
  20  eta_levels                          = 1.000, 0.990, 0.978, 0.964, 0.946,
  21                                        0.922, 0.894, 0.860, 0.817, 0.766,
  22                                        0.707, 0.644, 0.576, 0.507, 0.444,
  23                                        0.380, 0.324, 0.273, 0.228, 0.188,
  24                                        0.152, 0.121, 0.093, 0.069, 0.048,
  25                                        0.029, 0.014, 0.000,
  26
  27 ** Using sst_update option (add these to namelist records &time_control and
  28    &physics respectively):
  29
  30  &time_control
  31  auxinput4_inname                    = "wrflowinp_d<domain>"
  32  auxinput4_interval                  = 360, 360, 360,
  33  io_form_auxinput4                   = 2
  34
  35  &physics
  36  sst_update                          = 1,
  37
  38 ** Using DFI options (note this is a separate namelist record):
  39
  40  &dfi_control
  41  dfi_opt                             = 3,
  42  dfi_nfilter                         = 7,
  43  dfi_cutoff_seconds                  = 3600,
  44  dfi_write_filtered_input            = .true.
  45  dfi_write_dfi_history               = .false.
  46  dfi_bckstop_year                    = 2000,
  47  dfi_bckstop_month                   = 01,
  48  dfi_bckstop_day                     = 24,
  49  dfi_bckstop_hour                    = 10,
  50  dfi_bckstop_minute                  = 00,
  51  dfi_bckstop_second                  = 00,
  52  dfi_fwdstop_year                    = 2000,
  53  dfi_fwdstop_month                   = 01,
  54  dfi_fwdstop_day                     = 24,
  55  dfi_fwdstop_hour                    = 13,
  56  dfi_fwdstop_minute                  = 00,
  57  dfi_fwdstop_second                  = 00,
  58  /
  59
  60  &domains
  61  time_step_dfi                       = 60.
  62
  63 ** Using gridded nudging option (note this is a separate namelist record) for
  64    upperair nudging
  65
  66 ** Upper air gridded nudging requires an file generated by the real
  67    program.  Activating grid_fdda for the real program is adequate.
  68
  69  &fdda
  70  grid_fdda                           = 1,     1,     1,
  71  gfdda_inname                        = "wrffdda_d<domain>",
  72  gfdda_end_h                         = 24,    24,    24,
  73  gfdda_interval_m                    = 360,   360,   360,
  74  fgdt                                = 0,     0,     0,
  75  if_no_pbl_nudging_uv                = 0,     0,     0,
  76  if_no_pbl_nudging_t                 = 1,     1,     1,
  77  if_no_pbl_nudging_q                 = 1,     1,     1,
  78  if_zfac_uv                          = 0,     0,     0,
  79   k_zfac_uv                          = 10,   10,    10,
  80  if_zfac_t                           = 0,     0,     0,
  81   k_zfac_t                           = 10,   10,    10,
  82  if_zfac_q                           = 0,     0,     0,
  83   k_zfac_q                           = 10,   10,    10,
  84  guv                                 = 0.0003,     0.0003,     0.0003,
  85  gt                                  = 0.0003,     0.0003,     0.0003,
  86  gq                                  = 0.0003,     0.0003,     0.0003,
  87  if_ramping                          = 1,
  88  dtramp_min                          = 60.0,
  89  io_form_gfdda                       = 2,
  90
  91 ** Using gridded surface nudging option (note this is a separate namelist
  92    record)
  93
  94 ** Note that upper-air and surface gridded nudging may be used together
  95    or separately.  Surface nudging requires an input file generated by the
  96    obsgrid program.
  97
  98  &fdda
  99  grid_sfdda                          = 1,     1,     1,
 100  sgfdda_inname                       = "wrfsfdda_d<domain>",
 101  sgfdda_end_h                        = 24,    24,    24,
 102  sgfdda_interval_m                   = 360,   360,   360,
 103  io_form_sgfdda                      = 2,
 104  guv_sfc                             = 0.0003,     0.0003,     0.0003,
 105  gt_sfc                              = 0.0003,     0.0003,     0.0003,
 106  gq_sfc                              = 0.0003,     0.0003,     0.0003,
 107  rinblw                              = 250.,
 108
 109 ** Using observation nudging option (note &fdda is a separate namelist record):
 110
 111  &time_control
 112  auxinput11_interval_s               = 180 , 180 , 180
 113  auxinput11_end_h                    = 6   , 6   , 6
 114
 115  &fdda
 116  obs_nudge_opt                       = 1,1,1,
 117  max_obs                             = 150000,
 118  fdda_start                          = 0.,  0.,  0.,
 119  fdda_end                            = 720.,720.,720.,
 120  obs_nudge_wind                      = 1,1,1,
 121  obs_coef_wind                       = 6.E-4,6.E-4,6.E-4,
 122  obs_nudge_temp                      = 1,1,1,
 123  obs_coef_temp                       = 6.E-4,6.E-4,6.E-4,
 124  obs_nudge_mois                      = 1,1,1,
 125  obs_coef_mois                       = 6.E-4,6.E-4,6.E-4,
 126  obs_rinxy                           = 240.,240.,180.,
 127  obs_rinsig                          = 0.1,
 128  obs_twindo                          = 0.6666667,0.6666667,0.6666667,
 129  obs_npfi                            = 10,
 130  obs_ionf                            = 2, 2, 2,
 131  obs_idynin                          = 0,
 132  obs_dtramp                          = 40.,
 133  obs_prt_freq                        = 10, 10, 10,
 134  obs_prt_max                         = 10
 135  obs_ipf_errob                       = .true.
 136  obs_ipf_nudob                       = .true.
 137  obs_ipf_in4dob                      = .true
 138  /
 139
 140 ** Using spectral nudging option
 141
 142  &fdda
 143  grid_fdda                           = 2,     2,     2,
 144  gfdda_inname                        = "wrffdda_d<domain>",
 145  gfdda_end_h                         = 24,    24,    24,
 146  gfdda_interval_m                    = 360,   360,   360,
 147  fgdt                                = 0,     0,     0,
 148  fgdtzero                            = 0,     0,     0,
 149  if_no_pbl_nudging_uv                = 0,     0,     0,
 150  if_no_pbl_nudging_t                 = 0,     0,     0,
 151  if_no_pbl_nudging_ph                = 0,     0,     0,
 152  if_zfac_uv                          = 0,     0,     0,
 153   k_zfac_uv                          = 10,   10,    10,
 154  if_zfac_t                           = 0,     0,     0,
 155   k_zfac_t                           = 10,   10,    10,
 156  if_zfac_ph                          = 0,     0,     0,
 157   k_zfac_ph                          = 10,   10,    10,
 158  dk_zfac_uv                          = 1,     1,     1,
 159  dk_zfac_t                           = 1,     1,     1,
 160  dk_zfac_ph                          = 1,     1,     1,
 161  guv                                 = 0.0003,     0.0003,     0.0003,
 162  gt                                  = 0.0003,     0.0003,     0.0003,
 163  gph                                 = 0.0003,     0.0003,     0.0003,
 164  xwavenum                            = 3
 165  ywavenum                            = 3
 166  if_ramping                          = 1,
 167  dtramp_min                          = 60.0,
 168  io_form_gfdda                       = 2,
 169
 170 ** Using adaptive time step option (add these in namelist record &domains):
 171
 172  use_adaptive_time_step              = .true.,
 173  step_to_output_time                 = .true.,
 174  target_cfl                          = 1.2, 1.2, 1.2,
 175  max_step_increase_pct               = 5,   51,  51,
 176  starting_time_step                  = -1,  -1,  -1,
 177  max_time_step                       = 360, 120, 40,
 178  min_time_step                       =  90,  30, 10,
 179  adaptation_domain                   =  1,
 180
 181 ** Using automatic vortex-following option (tropical storm tracking only;
 182    add these in namelist record &domains):
 183
 184  vortex_interval                     = 15, 15, 15,
 185  max_vortex_speed                    = 40, 40, 40,
 186  corral_dist                         =  8, 15, 15,
 187  track_level                         = 50000,
 188
 189 ** Using different flux formulation for tropical storm simulations
 190    (more effective when grid sizes are smaller than 2 km), and simple
 191    1-D ocean mixed layer (add these in namelist record &physics):
 192
 193  isftcflx                            = 1,
 194  omlcall                             = 1,
 195  oml_hml0                            = 50,
 196  oml_gamma                           = 0.14
 197
 198 ** Miscellaneous physics options for namelist record &physics:
 199
 200 Topographic shading (only effective when grid sizes are a few kilometers)
 201
 202  slope_rad                           = 1,     1,     1,
 203  topo_shading                        = 1,     1,     1,
 204  shadlen                             = 25000,
 205
 206 Setting threashold value for defining seaice if seaice is not in the input file:
 207
 208  seaice_threshold                    = 271,
 209
 210 Switching off latent heating from a microphysics scheme (must also set cu_physics = 0):
 211
 212  no_mp_heating                       = 0,
 213
 214 ** Using CAM long and short wave radiation schemes: Since 3.2, these variables will be
 215    set in the model automatically if either long- or short-wave CAM radiation option is
 216    chosen
 217
 218  cam_abs_freq_s                      = 21600
 219  levsiz                              = 59
 220  paerlev                             = 29
 221  cam_abs_dim1                        = 4
 222  cam_abs_dim2                        = 28
 223  (cam_abs_dim2 should be the same as e_vert)
 224
 225 ** Using precipiatiion bucket in a time interval (minutes):
 226
 227  prec_acc_dt                         = 60.
 228
 229 ** Using bucket accumulations for multi-year simulations (guideline: mean monthly accumulation)
 230
 231  bucket_mm                           = 100.
 232  bucket_J                            = 1.e9
 233
 234 ** Optional gravitational settling of fog/cloud droplets (MYNN PBL only)
 235
 236  grav_settling                       = 1,       ; default 0
 237
 238 ** Using implicit gravity-wave damping option (add these in namelist record &dynamics):
 239
 240  damp_opt                            = 3,
 241  zdamp                               = 5000.,  5000.,  5000.,
 242  dampcoef                            = 0.2,    0.2,    0.2
 243
 244 ** Using expanded boundary zone and exponential decay option (add or modify these in
 245     namelist record &bdy_control):
 246
 247  spec_bdy_width                      = 10,
 248  spec_zone                           = 1,
 249  relax_zone                          = 9,
 250  specified                           = .true., .false.,.false.,
 251  spec_exp                            = 0.33
 252
 253 For a tropical channel configuration, set the following:
 254
 255  specified                           = .true., .false.,.false.,
 256  periodic_x                          = .true., .false.,.false.,
 257
 258 ** using io quilting option to improve output efficiency for large domain runs
 259     (note that this is a separate namelist record):
 260
 261  &namelist_quilt
 262  nio_tasks_per_group = 2,
 263  nio_groups = 1,
 264  /