[Wrf-users] runtime problems

gonzalo infante infagon at gmail.com
Tue Nov 10 06:57:46 MST 2009


Hi all,
i am runing wrf nmm 3.1 on a intel xeon cluster. Intel compiled 11.0 and
netcdf 3.6 succesfully installed  in serial mode and manged to run tutorial
cases perfectly.
After that, i am using FNL data to perform a simulation over north atlantic
with nesting.
Here i put the namlist.input

&time_control
 run_days                            = 2,
 run_hours                           = 0,
 run_minutes                         = 0,
 run_seconds                         = 0,
 start_year                          = 2008,     2008,
 start_month                         = 10,       10,
 start_day                           = 01,       01,
 start_hour                          = 00,       00,
 start_minute                        = 00,       00,
 start_second                        = 00,       00,
 tstart                              = 00,
 end_year                            = 2008,     2008,
 end_month                           = 10,       10,
 end_day                             = 07,       07,
 end_hour                            = 00,       00,
 end_minute                          = 00,       00,
 end_second                          = 00,       00,
 interval_seconds                    = 21600,
 history_interval                    = 60,       60,
 frames_per_outfile                  = 1,        1,
 restart                             = .false.,
 restart_interval                    = 5760,
 reset_simulation_start              = F,
 io_form_input                       = 2
 io_form_history                     = 2
 io_form_restart                     = 2
 io_form_boundary                    = 2
 io_form_auxinput1                   = 2
 debug_level                         = 1
 /
 &domains
 time_step                           = 60,
 time_step_fract_num                 = 0,
 time_step_fract_den                 = 1,
 max_dom                             = 2,
 e_we                                = 61,       98,
 e_sn                                = 94,       128,
 e_vert                              = 38,       38,
 num_metgrid_levels                  = 27,
 dx                                  = .350384,
 dy                                  = .338014,
 p_top_requested                     = 5000.
 ptsgm                               = 42000.,
 grid_id                             = 1,        2,
 parent_id                           = 0,        1,
 i_parent_start                      = 1,        16,
 j_parent_start                      = 1,        27,
 parent_grid_ratio                   = 1,        3,
 parent_time_step_ratio              = 1,        3,
 /
physics
 mp_physics                          = 5,        5,
 ra_lw_physics                       = 99,       99,
 ra_sw_physics                       = 99,       99,
 nrads                               = 105,      315,
 nradl                               = 105,      315,
 co2tf                               = 1,
 sf_sfclay_physics                   = 2,        2,
 sf_surface_physics                  = 2,        2,
 bl_pbl_physics                      = 2,        2,
 nphs                                = 6,        18,
 cu_physics                          = 2,
 ncnvc                               = 6,
 tprec                               = 3,
 theat                               = 6,
 tclod                               = 6,
 trdsw                               = 6,
 trdlw                               = 6,
 tsrfc                               = 6,
 pcpflg                              = .false.,
 isfflx                              = 0,
 ifsnow                              = 0,
 icloud                              = 0,
 num_soil_layers                     = 4,
 mp_zero_out                         = 0
 gwd_opt                             = 0
 /

When i run real_nmm a set of nedcf errors arise:


 Current date being processed: 2008-10-06T06:00:00.0000, which is loop #22
out
 of 25
  TRIM(config_flags%auxinput1_inname): met_nmm.d<domain>.<date>
    NetCDF error: NetCDF: Attribute not found
    NetCDF error in ext_ncd_get_dom_ti.code REAL, line          83 Element
GMT
    NetCDF error: NetCDF: Attribute not found
    NetCDF error in ext_ncd_get_dom_ti.code INTEGER, line          83
Element JU
 LYR
    NetCDF error: NetCDF: Attribute not found
    NetCDF error in ext_ncd_get_dom_ti.code INTEGER, line          83
Element JU
 LDAY
   mminlu = 'USGS'
    NetCDF error: NetCDF: Variable not found
    NetCDF error in wrf_io.F90, line        2671 Varname VEGCAT
    NetCDF error: NetCDF: Variable not found
 ......etc etc


I cannot unserstand why these vars are not found since i ncdump the .nc
files created by metgrid and they exist. Why this error can happen??

Anyway, with this initialization i can run the wrf.exe but in the nested
domain the solver otput much less variables (218 vars) than in the coarser
domain (333 vars).
And warning appears in the wrf.log


 SOLVE_NMM: TIMESTEP IS  1974   TIME IS  32.900 HOURS
 WARNING: NESTED DOMAIN PRESSURE AT LOWEST LEVEL HIGHER THAN PSTD
 I,J,PIO(1),PSTD(1)          16         127   102666.6       103000.0
 WARNING: NESTED DOMAIN PRESSURE AT LOWEST LEVEL HIGHER THAN PSTD


Has anyone experieneced this???


Thanks in advance
Gonzalo Infante
Msc Student
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