[Wrf-users] Wrf-users Digest, Vol 163, Issue 7
Ian Dragaud
iandragaud at lamma.ufrj.br
Mon Apr 2 10:34:42 MDT 2018
Dear Tian Yue,
I have used the following 35 vertical levels and it worked fine:
eta_levels = 1.000, 0.993, 0.983, 0.970, 0.954,
0.934, 0.909, 0.880, 0.845, 0.807,
0.765, 0.719, 0.672, 0.622, 0.571,
0.520, 0.468, 0.420, 0.376, 0.335,
0.298, 0.263, 0.231, 0.202, 0.175,
0.150, 0.127, 0.106, 0.088, 0.070,
0.055, 0.040, 0.026, 0.013, 0.000,
Regards,
Ian Dragaud
2018-03-27 14:58 GMT-03:00 <wrf-users-request at ucar.edu>:
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> Today's Topics:
>
> 1. Fail to run WRFV3.9 with specified eta_level (??)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 27 Mar 2018 20:46:25 +0800 (CST)
> From: ?? <tianyue0704 at 163.com>
> To: wrf-users at ucar.edu
> Subject: [Wrf-users] Fail to run WRFV3.9 with specified eta_level
> Message-ID: <36899a3d.1a8d0.162677ec9ad.Coremail.tianyue0704 at 163.com>
> Content-Type: text/plain; charset="gbk"
>
> Dear all,
>
>
> I`m currently running WRF Version 3.9 with 35 specified eta_levels, for
> the default vertical levels are not dense enough to study the boundary
> layer phenomenon. However, the calcution always stopped at just few seconds.
>
>
> I have checked rsl.out.* and rsl.error.* files, and there`s no obvious
> error message.
>
>
> I wonder if it is related to the numerically unstable issues, so I have
> tried different timestep such as 81, 54, 27, 18 ad 6s, but still got CFL
> prints in the rsl.* files.
>
>
> Can anyone figure out the reason? Or how can I get more detailed error
> message? Looking forward to your suggestion.
>
>
> Here`s my namelist.input :
> &time_control
> run_days = 0,
> run_hours = 42,
> run_minutes = 0,
> run_seconds = 0,
> start_year = 2016, 2016, 2016, 2016,
> start_month = 12, 12, 12, 12,
> start_day = 06, 06, 06, 06,
> start_hour = 00, 00, 00, 00,
> start_minute = 00, 00, 00, 00,
> start_second = 00, 00, 00, 00,
> end_year = 2016, 2016, 2016, 2016,
> end_month = 12, 12, 12, 12,
> end_day = 07, 07, 07, 07,
> end_hour = 18, 18, 18, 18,
> end_minute = 00, 00, 00, 00,
> end_second = 00, 00, 00, 00,
> interval_seconds = 21600
> input_from_file = .true., .true., .true., .true.,
> history_interval = 1440, 720, 720, 60,
> frames_per_outfile = 1000, 1000, 1000, 1000,
> restart = .false.,
> restart_interval = 3000,
> io_form_history = 2,
> io_form_restart = 2,
> io_form_input = 2,
> io_form_boundary = 2,
> debug_level = 0,
> /
>
>
> &domains
>
>
> eta_levels = 1.00, 0.9975, 0.995, 0.9925,
> 0.99,
> 0.985, 0.98, 0.975, 0.97,
> 0.965,
> 0.96, 0.95, 0.94, 0.93,
> 0.92,
> 0.91, 0.90, 0.89, 0.88,
> 0.87,
> 0.86, 0.85, 0.84, 0.82,
> 0.80,
> 0.75, 0.70, 0.65, 0.60,
> 0.50,
> 0.40, 0.30, 0.20, 0.10,
> 0.00,
> time_step = 6,
> time_step_fract_num = 0,
> time_step_fract_den = 1,
> max_dom = 4,
> e_we = 200, 178, 187, 205,
> e_sn = 200, 190, 193, 205,
> e_vert = 35, 35, 35, 35,
> p_top_requested = 10000,
> num_metgrid_levels = 32,
> num_metgrid_soil_levels = 4,
> dx = 27000, 9000, 3000, 1000,
> dy = 27000, 9000, 3000, 1000,
> grid_id = 1, 2, 3, 4,
> parent_id = 1, 1, 2, 3,
> i_parent_start = 1, 73, 57, 46,
> j_parent_start = 1, 69, 65, 63,
> parent_grid_ratio = 1, 3, 3, 3,
> parent_time_step_ratio = 1, 3, 3, 3,
> feedback = 1,
> smooth_option = 0,
> /
>
>
> &physics
> mp_physics = 2, 2, 2, 2,
> ra_lw_physics = 4, 4, 4, 4,
> ra_sw_physics = 4, 4, 4, 4,
> aer_opt = 2,
> aer_aod550_opt = 1, 1, 1, 1,
> aer_aod550_val = 0.12, 0.12, 0.12, 1.0,
> sf_sfclay_physics = 1, 1, 1, 1,
> sf_surface_physics = 2, 2, 2, 2,
> bl_pbl_physics = 1, 1, 1, 1,
> cu_physics = 1, 0, 0, 0,
> radt = 27, 9, 3, 1,
> bldt = 0, 0, 0, 0,
> cudt = 5, 5, 5, 5,
> isfflx = 1,
> ifsnow = 0,
> icloud = 1,
> num_soil_layers = 4,
> num_land_cat = 21,
> sf_urban_physics = 1, 1, 1, 1,
> slope_rad = 0, 0, 0, 1,
> topo_shading = 0, 0, 0, 1,
> topo_wind = 0, 0, 0, 0,
> /
>
>
> &fdda
> /
>
>
> &dynamics
> w_damping = 0,
> diff_opt = 1, 1, 1, 1,
> km_opt = 4, 4, 4, 4,
> diff_6th_opt = 0, 0, 0, 0,
> diff_6th_factor = 0.12, 0.12, 0.12, 0.12,
> base_temp = 290.,
> damp_opt = 0,
> zdamp = 5000., 5000., 5000., 5000.,
> dampcoef = 0.2, 0.2, 0.2, 0.2,
> khdif = 0, 0, 0, 0,
> kvdif = 0, 0, 0, 0,
> non_hydrostatic = .true.,.true.,.true.,.true.,
> moist_adv_opt = 1, 1, 1, 1,
> scalar_adv_opt = 1, 1, 1, 1,
> /
>
>
> &bdy_control
> spec_bdy_width = 5,
> spec_zone = 1,
> relax_zone = 4,
> specified = .true., .false.,.false.,.false.,
> nested = .false., .true., .true.,.true.,
> /
>
>
> &grib2
> /
>
>
> &namelist_quilt
> nio_tasks_per_group = 0,
> nio_groups = 1,
> /
>
>
> Cheers,
> Tian Yue
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