I have tried several CU and PBL schemes resulting in only minor differences in cloud prediction.
Has anyone tried to adjust cloud prediction with success?
My regular settings:
Code: Select all
&time_control
start_year = 2020, 2020
start_month = 12, 12
start_day = 07, 07
start_hour = 12, 12
start_minute = 00, 00
start_second = 00, 00
end_year = 2020, 2020
end_month = 12, 12
end_day = 12, 09
end_hour = 12, 12
end_minute = 00, 00
end_second = 00, 00
interval_seconds = 10800
input_from_file = T, T
history_interval = 180, 60
history_outname = 'wrfout_d<domain>_<date>'
frames_per_outfile = 1, 1
io_form_history = 2
io_form_input = 2
io_form_restart = 2
io_form_boundary = 2
output_ready_flag = F
auxhist1_outname = 'auxhist1_d<domain>_<date>'
auxhist1_interval = 0, 0
frames_per_auxhist1 = 1, 1
io_form_auxhist1 = 2
auxhist2_outname = 'hailcast_d<domain>_<date>'
auxhist2_interval = 0, 0
frames_per_auxhist2 = 1, 1
io_form_auxhist2 = 2
fine_input_stream = 0, 0
adjust_output_times = T
reset_simulation_start = F
use_netcdf_classic = T
/
&domains
time_step = 72
time_step_fract_num = 0
time_step_fract_den = 100
time_step_dfi = 48
max_dom = 2
s_we = 1, 1
e_we = 150, 106
s_sn = 1, 1
e_sn = 157, 154
s_vert = 1, 1
e_vert = 45, 45
dx = 12007.1680, 4002.3894
dy = 12007.1680, 4002.3894
grid_id = 1, 2
parent_id = 1, 1
i_parent_start = 1, 76
j_parent_start = 1, 44
parent_grid_ratio = 1, 3
parent_time_step_ratio = 1, 3
feedback = 0
grid_allowed = T, T
auto_levels_opt = 2
max_dz = 1000
dzbot = 50.
dzstretch_s = 1.2
dzstretch_u = 1.06
numtiles = 2
nproc_x = 1
nproc_y = 12
hypsometric_opt = 2
num_metgrid_soil_levels = 4
num_metgrid_levels = 34
interp_type = 2
extrap_type = 2
t_extrap_type = 2
use_levels_below_ground = T
use_surface = T
lagrange_order = 9
zap_close_levels = 500
lowest_lev_from_sfc = F
force_sfc_in_vinterp = 2
sfcp_to_sfcp = T
smooth_cg_topo = T
rh2qv_wrt_liquid = T
rh2qv_method = 2
p_top_requested = 5000
adjust_heights = F
maxw_above_this_level = 25000
trop_horiz_pres_diff = 7500
maxw_horiz_pres_diff = 7500
use_maxw_level = 1
use_trop_level = 1
use_adaptive_time_step = T
adaptation_domain = 1
step_to_output_time = T
target_cfl = 1.0, 1.0
target_hcfl = 0.80, 0.80
max_step_increase_pct = 5, 51
starting_time_step = 60, 20
max_time_step = 168, 56
min_time_step = -1, -1
/
&dfi_control
dfi_opt = 3
dfi_nfilter = 7
dfi_write_filtered_input = T
dfi_write_dfi_history = F
dfi_cutoff_seconds = 1800
dfi_time_dim = 1000
dfi_fwdstop_year = 2020
dfi_fwdstop_month = 12
dfi_fwdstop_day = 07
dfi_fwdstop_hour = 12
dfi_fwdstop_minute = 20
dfi_fwdstop_second = 00
dfi_bckstop_year = 2020
dfi_bckstop_month = 12
dfi_bckstop_day = 07
dfi_bckstop_hour = 11
dfi_bckstop_minute = 20
dfi_bckstop_second = 00
/
&physics
cu_physics = 11, 11
cudt = 5, 5
kfeta_trigger = 3
kf_edrates = 0
mp_physics = 6, 6
mp_zero_out = 0
no_mp_heating = 0
hail_opt = 0
do_radar_ref = 1
shcu_physics = 0
bl_pbl_physics = 1, 1
bldt = 0, 0
grav_settling = 0, 0
topo_wind = 1, 1
ysu_topdown_pblmix = 0
scalar_pblmix = 1, 1
tracer_pblmix = 1, 1
sf_sfclay_physics = 1, 1
isfflx = 1
iz0tlnd = 1
isftcflx = 0
sf_surface_physics = 2, 2
num_land_cat = 20
num_soil_cat = 16
num_soil_layers = 4
surface_input_source = 3
usemonalb = T
rdmaxalb = T
rdlai2d = F
ua_phys = T
sf_surface_mosaic = 1
opt_thcnd = 1
mosaic_cat = 3
tmn_update = 0
sf_urban_physics = 0
ra_lw_physics = 1, 1
ra_sw_physics = 1, 1
radt = 12.01, 4.00
swint_opt = 1
ra_call_offset = 0
swrad_scat = 1
slope_rad = 0, 0
topo_shading = 0, 0
cu_rad_feedback = T
icloud = 1
sf_ocean_physics = 0
sst_skin = 0
sst_update = 0
fractional_seaice = 0
seaice_albedo_opt = 1
seaice_snowdepth_opt = 0
seaice_snowdepth_min = 0.001
seaice_snowdepth_max = 100.
seaice_thickness_opt = 0
seaice_thickness_default = 3.0
sf_lake_physics = 0
lightning_option = 0
hailcast_opt = 0, 0
/
&noah_mp
/
&dynamics
non_hydrostatic = T
hybrid_opt = 2
etac = 0.20
gwd_opt = 0
rk_ord = 3
h_mom_adv_order = 5, 5
h_sca_adv_order = 5, 5
v_mom_adv_order = 3, 3
v_sca_adv_order = 3, 3
moist_adv_opt = 1, 1
scalar_adv_opt = 1, 1
momentum_adv_opt = 1, 1
tke_adv_opt = 1, 1
diff_opt = 1, 1
km_opt = 4, 4
w_damping = 1
diff_6th_opt = 0, 0
diff_6th_factor = 0.25, 0.25
diff_6th_slopeopt = 1, 1
diff_6th_thresh = 0.10, 0.10
moist_mix6_off = F, F
scalar_mix6_off = F, F
tke_mix6_off = F, F
damp_opt = 0
time_step_sound = 0, 0
epssm = 0.1, 0.1
fft_filter_lat = 89
use_theta_m = 0
use_q_diabatic = 0
/
&fdda
grid_fdda = 0
/
&bdy_control
spec_bdy_width = 5
spec_zone = 1
relax_zone = 4
spec_exp = 0
specified = T, F
nested = F, T
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&stoch
skebs = 0
perturb_bdy = 0
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&namelist_quilt
nio_tasks_per_group = 0
nio_groups = 1
/
&diags
p_lev_diags = 0
z_lev_diags = 0
/
&afwa
afwa_diag_opt = 0
/
&logging
compute_slaves_silent = F
io_servers_silent = F
stderr_logging = 1
/