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<div>Dear WRF-Users and Wrfhelp:</div>
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<div>I am running WRF3.7.1 with sst_<span style="font-style: italic; ">update and tmn_</span>update turned on for a year-long integration. The WRF completed successfully, but I am confused on why I am getting wrfout at all time points (6-hourly output) the
same as initial time. I didn't check all of the variables, but T2 and TSLB are all the same as shown by ncview as well as ncl. I had a full-year of integration and another two-day test, both have the same problem. I would appreciate if anyone could help pinpointing
what has caused the problem.</div>
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<div>Thanks for your time, and below is the namelist.input file:</div>
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</div>
<div>
<div> &time_control</div>
<div> run_days = 0,</div>
<div> run_hours = 0,</div>
<div> run_minutes = 0,</div>
<div> run_seconds = 0,</div>
<div> start_year = 1990, 1990, 2000,</div>
<div> start_month = 10, 10, 01,</div>
<div> start_day = 01, 01, 24,</div>
<div> start_hour = 00, 00, 12,</div>
<div> start_minute = 00, 00, 00,</div>
<div> start_second = 00, 00, 00,</div>
<div> end_year = 1991, 1991, 2000,</div>
<div> end_month = 10, 10, 01,</div>
<div> end_day = 01, 01, 25,</div>
<div> end_hour = 00, 00, 12,</div>
<div> end_minute = 00, 00, 00,</div>
<div> end_second = 00, 00, 00,</div>
<div> interval_seconds = 21600</div>
<div> input_from_file = .true.,.true.,.true.,</div>
<div> history_interval = 360, 360, 60,</div>
<div> frames_per_outfile = 124, 124, 1000,</div>
<div> restart = .false.,</div>
<div> restart_interval = 43200,</div>
<div> io_form_history = 2</div>
<div> io_form_restart = 2</div>
<div> io_form_input = 2</div>
<div> io_form_boundary = 2</div>
<div> auxinput4_inname = "wrflowinp_d<domain>" </div>
<div> auxinput4_interval = 360</div>
<div> io_form_auxinput4 = 2 </div>
<div> auxhist2_outname = "rainfall_d<domain>_<date>"</div>
<div> io_form_auxhist2 = 2</div>
<div> auxhist2_interval = 180, 180, 180, </div>
<div> frames_per_auxhist2 = 3200, 3200, 3200, </div>
<div> output_diagnostics = 1</div>
<div> auxhist3_outname = "wrfxtrm_d<domain>_<date>"</div>
<div> io_form_auxhist3 = 2</div>
<div> auxhist3_interval = 1440, 1440, 1440, </div>
<div> frames_per_auxhist3 = 1500, 1500, 1500, </div>
<div> debug_level = 0</div>
<div> /</div>
<div><br>
</div>
<div> &domains</div>
<div> time_step = 150,</div>
<div> time_step_fract_num = 0,</div>
<div> time_step_fract_den = 1,</div>
<div> max_dom = 2,</div>
<div> e_we = 180, 313, 94,</div>
<div> e_sn = 180, 313, 91,</div>
<div> e_vert = 49, 49, 30,</div>
<div> p_top_requested = 10000,</div>
<div> num_metgrid_levels = 61,</div>
<div> num_metgrid_soil_levels = 4,</div>
<div> dx = 30000, 10000, 3333.33,</div>
<div> dy = 30000, 10000, 3333.33,</div>
<div> grid_id = 1, 2, 3,</div>
<div> parent_id = 0, 1, 2,</div>
<div> i_parent_start = 1, 42, 30,</div>
<div> j_parent_start = 1, 38, 30,</div>
<div> parent_grid_ratio = 1, 3, 3,</div>
<div> parent_time_step_ratio = 1, 3, 3,</div>
<div> feedback = 0,</div>
<div> smooth_option = 0</div>
<div> eta_levels = 1.000, 0.998, 0.996, 0.994, 0.991, 0.988, 0.985, ! 0.002~0.003 High resolution near surface</div>
<div> 0.981, 0.976, 0.972, 0.965, 0.957, 0.948, 0.938, ! 0.004~0.010</div>
<div> 0.926, 0.912, 0.896, 0.880, 0.862, 0.842, 0.819, ! 0.012~0.023</div>
<div> 0.793, 0.764, 0.732, 0.698, 0.665, 0.629, 0.593, ! 0.026~0.036</div>
<div> 0.557, 0.521, 0.486, 0.452, 0.419, 0.387, 0.356, ! 0.036~0.031</div>
<div> 0.326, 0.296, 0.267, 0.239, 0.212, 0.186, 0.159, ! 0.030~0.026</div>
<div> 0.134, 0.109, 0.085, 0.063, 0.041, 0.020, 0.000 ! 0.025~0.020</div>
<div> /</div>
<div><br>
</div>
<div> &physics</div>
<div> sst_update = 1</div>
<div> tmn_update = 1</div>
<div> lagday = 150</div>
<div> rdlai2d = .true.</div>
<div> usemonalb = .true.</div>
<div> mp_physics = 5, 5, 4,</div>
<div> ra_lw_physics = 1, 1, 4,</div>
<div> ra_sw_physics = 2, 2, 4,</div>
<div> radt = 60, 30, 30,</div>
<div> sf_sfclay_physics = 1, 1, 1,</div>
<div> sf_surface_physics = 4, 4, 4,</div>
<div> bl_pbl_physics = 1, 1, 1,</div>
<div> bldt = 0, 0, 0,</div>
<div> cu_physics = 2, 2, 0,</div>
<div> cudt = 0, 0, 0,</div>
<div> isfflx = 1,</div>
<div> ifsnow = 1,</div>
<div> icloud = 1,</div>
<div> surface_input_source = 1,</div>
<div> num_land_cat = 24,</div>
<div> num_soil_cat = 16,</div>
<div> num_soil_layers = 4,</div>
<div> sf_urban_physics = 0, 0, 0,</div>
<div> /</div>
<div><br>
</div>
<div> &fdda</div>
<div> grid_fdda = 1, 0, 0,</div>
<div> gfdda_inname = "wrffdda_d<domain>",</div>
<div> gfdda_end_h = 8790, 24, 24,</div>
<div> gfdda_interval_m = 360, 360, 360,</div>
<div> fgdt = 0, 0, 0,</div>
<div> if_no_pbl_nudging_uv = 0, 0, 0,</div>
<div> if_no_pbl_nudging_t = 0, 0, 0,</div>
<div> if_no_pbl_nudging_q = 0, 0, 0,</div>
<div> if_zfac_uv = 0, 0, 0,</div>
<div> k_zfac_uv = 10, 10, 10,</div>
<div> if_zfac_t = 0, 0, 0,</div>
<div> k_zfac_t = 10, 10, 10,</div>
<div> if_zfac_q = 0, 0, 0,</div>
<div> k_zfac_q = 10, 10, 10,</div>
<div> guv = 0.0003, 0.0003, 0.0003,</div>
<div> gt = 0.0003, 0.0003, 0.0003,</div>
<div> gq = 0.0003, 0.0003, 0.0003,</div>
<div> if_ramping = 1,</div>
<div> dtramp_min = 60.0,</div>
<div> io_form_gfdda = 2,</div>
<div> /</div>
<div><br>
</div>
<div> &noah_mp</div>
<div> dveg = 2,</div>
<div> /</div>
<div><br>
</div>
<div> &dynamics</div>
<div> rk_ord = 0,</div>
<div> w_damping = 1,</div>
<div> diff_opt = 1, 1, 1,</div>
<div> km_opt = 4, 4, 4,</div>
<div> diff_6th_opt = 2, 2, 0,</div>
<div> diff_6th_factor = 0.12, 0.12, 0.12,</div>
<div> base_temp = 290.,</div>
<div> base_pres = 100000.,</div>
<div> base_lapse = 50.,</div>
<div> damp_opt = 3,</div>
<div> zdamp = 5000., 5000., 5000.,</div>
<div> dampcoef = 0.2, 0.2, 0.2,</div>
<div> khdif = 0, 0, 0,</div>
<div> kvdif = 0, 0, 0,</div>
<div> smdiv = 0.1, 0.1, 0.1,</div>
<div> emdiv = 0.01, 0.01, 0.01,</div>
<div> epssm = 0.1, 0.1, 0.1,</div>
<div> gwd_opt = 1, </div>
<div> non_hydrostatic = .true., .true., .true.,</div>
<div> moist_adv_opt = 1, 1, 1, </div>
<div> scalar_adv_opt = 1, 1, 1, </div>
<div> /</div>
<div><br>
</div>
<div> &bdy_control</div>
<div> spec_bdy_width = 5,</div>
<div> spec_zone = 1,</div>
<div> relax_zone = 4,</div>
<div> specified = .true., .false.,.false.,</div>
<div> nested = .false., .true., .true.,</div>
<div> /</div>
<div><br>
</div>
<div> &grib2</div>
<div> /</div>
<div><br>
</div>
<div> &namelist_quilt</div>
<div> nio_tasks_per_group = 0,</div>
<div> nio_groups = 1,</div>
<div> /</div>
</div>
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</div>
<div>Best,</div>
<div>Xingang Fan</div>
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