[Wrf-users] strange pattern in total precipitation plot (RAINC + RAINNC)

[mmkamal at uwaterloo.ca]

Hi,

I run two simulation January 2002 and July 2002. I got strange pattern  
in the calculate total precipitation plot (RAINC + RAINNC). This  
pattern only appear in July simulation. I have checked the model run  
two times and could not find any problem. I look forward to hearing  
from you.


Thanks
Kamal



===================================
Here is my namelist.input file
===================================

   &time_control
  run_days                            = 32,
  run_hours                           = 0,
  run_minutes                         = 0,
  run_seconds                         = 0,
  start_year                          = 2002, 2002, 2002,
  start_month                         = 07,   07,   07,
  start_day                           = 01,   01,   01,
  start_hour                          = 00,   00,   00,
  start_minute                        = 00,   00,   00,
  start_second                        = 00,   00,   00,
  end_year                            = 2002, 2002, 2002,
  end_month                           = 08,   08,   08,
  end_day                             = 01,   01,   01,
  end_hour                            = 00,   00,   00,
  end_minute                          = 00,   00,   00,
  end_second                          = 00,   00,   00,
  interval_seconds                    = 10800
  input_from_file                     = .true.,.true.,.true.,
  history_interval                    = 180,  180,   180,
  frames_per_outfile                  = 1000, 1000,  1000,
  restart                             = .false.,
  restart_interval                    = 28800,
  io_form_history                     = 2
  io_form_restart                     = 102
  io_form_input                       = 2
  io_form_boundary                    = 2
  auxinput4_inname                    = "wrflowinp_d<domain>"
  auxinput4_interval                  = 180, 180, 180,
  io_form_auxinput4                   = 2,
  debug_level                         = 0
  /

  &domains
  time_step                           = 48,
  time_step_fract_num                 = 0,
  time_step_fract_den                 = 1,
  max_dom                             = 3,
  e_we                                = 225,   214,   244,
  e_sn                                = 175,   211,   271,
  e_vert                              = 28,    28,    28,
  p_top_requested                     = 10000,
  num_metgrid_levels                  = 30,
  num_metgrid_soil_levels             = 4,
  dx                                  = 8000, 2666.666,  888.888,
  dy                                  = 8000, 2666.666,  888.888,
  grid_id                             = 1,     2,     3,
  parent_id                           = 1,     1,     2,
  i_parent_start                      = 1,     68,    70,
  j_parent_start                      = 1,     65,    50,
  parent_grid_ratio                   = 1,     3,     3,
  parent_time_step_ratio              = 1,     3,     3,
  feedback                            = 1,
  smooth_option                       = 0
  /

  &physics
  mp_physics                          = 6,     6,     6,
  ra_lw_physics                       = 1,     1,     1,
  ra_sw_physics                       = 1,     1,     1,
  radt                                = 8,     8,     8,
  sf_sfclay_physics                   = 1,     1,     1,
  sf_surface_physics                  = 2,     2,     2,
  bl_pbl_physics                      = 1,     1,     1,
  bldt                                = 0,     0,     0,
  cu_physics                          = 1,     0,     0,
  cudt                                = 5,     5,     5,
  isfflx                              = 1,
  ifsnow                              = 0,
  icloud                              = 1,
  surface_input_source                = 1,
  num_soil_layers                     = 4,
  sf_urban_physics                    = 0,     0,     0,
  sst_update                          = 1,
  num_land_cat                        = 28
/

  &dynamics
  rk_ord                              = 3,
  diff_opt                            = 1,
  km_opt                              = 4,
  diff_6th_opt                        = 2,      2,      2,
  diff_6th_factor                     = 0.06,   0.06,   0.06,
  damp_opt                            = 1,
  zdamp                               = 8000.,  8000.,  8000.,
  dampcoef                            = 0.03,    0.03,  0.03,
  w_damping                           = 1,
  base_pres                           = 100000.,
  base_temp                           = 290.
  base_lapse                          = 50.,
  iso_temp                            = 0.,
  smdiv                               = 0.1,    0.1,    0.1,
  emdiv                               = 0.01,   0.01,   0.01
  epssm                               = 0.1,    0.1,    0.1
  non_hydrostatic                     = .true., .true., .true.,
  h_mom_adv_order                     = 5,      5,      5,
  v_mom_adv_order                     = 3,      3,      3,
  h_sca_adv_order                     = 5,      5,      5,
  v_sca_adv_order                     = 3,      3,      3,
  time_step_sound                     = 4,      4,      4,
  moist_adv_opt                       = 1,      1,      1,
  scalar_adv_opt                      = 1,      1,      1,
  tke_adv_opt                         = 1,      1,      1,
  khdif                               = 0,      0,      0,
  kvdif                               = 0,      0,      0,

  /

  &bdy_control
  spec_bdy_width                      = 5,
  spec_zone                           = 1,
  relax_zone                          = 4,
  specified                           = .true., .false.,.false.,
  spec_exp                            = 0.33,
  nested                              = .false., .true., .true.,
  /

  &grib2
  /

  &namelist_quilt
  nio_tasks_per_group = 0,
  nio_groups = 1,
  /





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