1 | Note, this is not a namelist.input file. Find what interests you, and cut and paste them |
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2 | to your own namelist.input file. For more information on these namelist parameters, |
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3 | please see run/README.namelist or Chapter 5 of the User's Guide. |
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4 | |
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5 | ** More options for real in namelist record &domains: |
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6 | |
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7 | p_top_requested = 5000 |
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8 | interp_type = 2 |
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9 | extrap_type = 2 |
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10 | t_extrap_type = 2 |
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11 | lowest_lev_from_sfc = .false. |
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12 | use_levels_below_ground = .true. |
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13 | use_surface = .true. |
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14 | lagrange_order = 1 |
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15 | force_sfc_in_vinterp = 1 |
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16 | zap_close_levels = 500 |
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17 | sfcp_to_sfcp = .false. |
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18 | adjust_heights = .false. |
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19 | smooth_cg_topo = .false. |
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20 | eta_levels = 1.000, 0.990, 0.978, 0.964, 0.946, |
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21 | 0.922, 0.894, 0.860, 0.817, 0.766, |
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22 | 0.707, 0.644, 0.576, 0.507, 0.444, |
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23 | 0.380, 0.324, 0.273, 0.228, 0.188, |
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24 | 0.152, 0.121, 0.093, 0.069, 0.048, |
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25 | 0.029, 0.014, 0.000, |
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26 | |
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27 | ** Using sst_update option (add these to namelist records &time_control and |
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28 | &physics respectively): |
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29 | |
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30 | &time_control |
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31 | auxinput4_inname = "wrflowinp_d<domain>" |
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32 | auxinput4_interval = 360, 360, 360, |
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33 | io_form_auxinput4 = 2 |
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34 | |
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35 | &physics |
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36 | sst_update = 1, |
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37 | |
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38 | |
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39 | ** Using stochastic backscatter scheme |
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40 | |
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41 | &physics |
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42 | stoch_force_opt = 1, 1, 1, |
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43 | stoch_vertstruc_opt = 0, 0, 0, |
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44 | tot_backscat_t = 2.0E-6, 2.0E-6, 2.0E-6 |
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45 | tot_backscat_psi = 2.0, 2.0, 2.0 |
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46 | nens = 1, |
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47 | |
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48 | |
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49 | ** Using DFI options (note this is a separate namelist record): |
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50 | |
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51 | &dfi_control |
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52 | dfi_opt = 3, |
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53 | dfi_nfilter = 7, |
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54 | dfi_cutoff_seconds = 3600, |
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55 | dfi_write_filtered_input = .true. |
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56 | dfi_write_dfi_history = .false. |
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57 | dfi_bckstop_year = 2000, |
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58 | dfi_bckstop_month = 01, |
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59 | dfi_bckstop_day = 24, |
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60 | dfi_bckstop_hour = 10, |
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61 | dfi_bckstop_minute = 00, |
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62 | dfi_bckstop_second = 00, |
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63 | dfi_fwdstop_year = 2000, |
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64 | dfi_fwdstop_month = 01, |
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65 | dfi_fwdstop_day = 24, |
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66 | dfi_fwdstop_hour = 13, |
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67 | dfi_fwdstop_minute = 00, |
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68 | dfi_fwdstop_second = 00, |
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69 | / |
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70 | |
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71 | &domains |
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72 | time_step_dfi = 60. |
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73 | |
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74 | ** Using gridded nudging option (note this is a separate namelist record) for |
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75 | upperair nudging |
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76 | |
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77 | ** Upper air gridded nudging requires an file generated by the real |
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78 | program. Activating grid_fdda for the real program is adequate. |
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79 | |
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80 | &fdda |
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81 | grid_fdda = 1, 1, 1, |
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82 | gfdda_inname = "wrffdda_d<domain>", |
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83 | gfdda_end_h = 24, 24, 24, |
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84 | gfdda_interval_m = 360, 360, 360, |
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85 | fgdt = 0, 0, 0, |
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86 | if_no_pbl_nudging_uv = 0, 0, 0, |
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87 | if_no_pbl_nudging_t = 1, 1, 1, |
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88 | if_no_pbl_nudging_q = 1, 1, 1, |
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89 | if_zfac_uv = 0, 0, 0, |
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90 | k_zfac_uv = 10, 10, 10, |
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91 | if_zfac_t = 0, 0, 0, |
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92 | k_zfac_t = 10, 10, 10, |
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93 | if_zfac_q = 0, 0, 0, |
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94 | k_zfac_q = 10, 10, 10, |
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95 | guv = 0.0003, 0.0003, 0.0003, |
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96 | gt = 0.0003, 0.0003, 0.0003, |
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97 | gq = 0.0003, 0.0003, 0.0003, |
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98 | if_ramping = 1, |
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99 | dtramp_min = 60.0, |
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100 | io_form_gfdda = 2, |
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101 | |
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102 | ** Using gridded surface nudging option (note this is a separate namelist |
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103 | record) |
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104 | |
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105 | ** Note that upper-air and surface gridded nudging may be used together |
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106 | or separately. Surface nudging requires an input file generated by the |
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107 | obsgrid program. |
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108 | |
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109 | &fdda |
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110 | grid_sfdda = 1, 1, 1, |
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111 | sgfdda_inname = "wrfsfdda_d<domain>", |
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112 | sgfdda_end_h = 24, 24, 24, |
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113 | sgfdda_interval_m = 360, 360, 360, |
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114 | io_form_sgfdda = 2, |
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115 | guv_sfc = 0.0003, 0.0003, 0.0003, |
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116 | gt_sfc = 0.0003, 0.0003, 0.0003, |
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117 | gq_sfc = 0.0003, 0.0003, 0.0003, |
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118 | rinblw = 250., |
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119 | |
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120 | ** Using observation nudging option (note &fdda is a separate namelist record): |
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121 | |
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122 | &time_control |
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123 | auxinput11_interval_s = 180 , 180 , 180 |
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124 | auxinput11_end_h = 6 , 6 , 6 |
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125 | |
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126 | &fdda |
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127 | obs_nudge_opt = 1,1,1, |
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128 | max_obs = 150000, |
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129 | fdda_start = 0., 0., 0., |
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130 | fdda_end = 720.,720.,720., |
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131 | obs_nudge_wind = 1,1,1, |
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132 | obs_coef_wind = 6.E-4,6.E-4,6.E-4, |
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133 | obs_nudge_temp = 1,1,1, |
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134 | obs_coef_temp = 6.E-4,6.E-4,6.E-4, |
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135 | obs_nudge_mois = 1,1,1, |
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136 | obs_coef_mois = 6.E-4,6.E-4,6.E-4, |
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137 | obs_rinxy = 240.,240.,180., |
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138 | obs_rinsig = 0.1, |
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139 | obs_twindo = 0.6666667,0.6666667,0.6666667, |
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140 | obs_npfi = 10, |
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141 | obs_ionf = 2, 2, 2, |
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142 | obs_idynin = 0, |
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143 | obs_dtramp = 40., |
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144 | obs_prt_freq = 10, 10, 10, |
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145 | obs_prt_max = 10 |
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146 | obs_ipf_errob = .true. |
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147 | obs_ipf_nudob = .true. |
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148 | obs_ipf_in4dob = .true |
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149 | obs_no_pbl_nudge_uv = 0 |
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150 | obs_no_pbl_nudge_t = 0 |
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151 | obs_no_pbl_nudge_q = 0 |
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152 | obs_sfc_scheme_horiz = 0 |
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153 | obs_sfc_scheme_vert = 0 |
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154 | obs_max_sndng_gap = 20 |
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155 | obs_nudgezfullr1_uv = 50 |
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156 | obs_nudgezrampr1_uv = 50 |
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157 | obs_nudgezfullr2_uv = 50 |
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158 | obs_nudgezrampr2_uv = 50 |
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159 | obs_nudgezfullr4_uv = -5000 |
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160 | obs_nudgezrampr4_uv = 50 |
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161 | obs_nudgezfullr1_t = 50 |
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162 | obs_nudgezrampr1_t = 50 |
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163 | obs_nudgezfullr2_t = 50 |
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164 | obs_nudgezrampr2_t = 50 |
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165 | obs_nudgezfullr4_t = -5000 |
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166 | obs_nudgezrampr4_t = 50 |
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167 | obs_nudgezfullr1_q = 50 |
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168 | obs_nudgezrampr1_q = 50 |
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169 | obs_nudgezfullr2_q = 50 |
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170 | obs_nudgezrampr2_q = 50 |
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171 | obs_nudgezfullr4_q = -5000 |
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172 | obs_nudgezrampr4_q = 50 |
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173 | obs_nudgezfullmin = 50 |
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174 | obs_nudgezrampmin = 50 |
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175 | obs_nudgezmax = 3000 |
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176 | obs_sfcfact = 1.0 |
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177 | obs_sfcfacr = 1.0 |
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178 | obs_dpsmx = 7.5 |
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179 | / |
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180 | |
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181 | ** Using spectral nudging option |
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182 | |
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183 | &fdda |
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184 | grid_fdda = 2, 2, 2, |
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185 | gfdda_inname = "wrffdda_d<domain>", |
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186 | gfdda_end_h = 24, 24, 24, |
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187 | gfdda_interval_m = 360, 360, 360, |
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188 | fgdt = 0, 0, 0, |
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189 | fgdtzero = 0, 0, 0, |
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190 | if_no_pbl_nudging_uv = 0, 0, 0, |
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191 | if_no_pbl_nudging_t = 0, 0, 0, |
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192 | if_no_pbl_nudging_ph = 0, 0, 0, |
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193 | if_zfac_uv = 0, 0, 0, |
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194 | k_zfac_uv = 10, 10, 10, |
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195 | if_zfac_t = 0, 0, 0, |
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196 | k_zfac_t = 10, 10, 10, |
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197 | if_zfac_ph = 0, 0, 0, |
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198 | k_zfac_ph = 10, 10, 10, |
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199 | dk_zfac_uv = 1, 1, 1, |
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200 | dk_zfac_t = 1, 1, 1, |
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201 | dk_zfac_ph = 1, 1, 1, |
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202 | guv = 0.0003, 0.0003, 0.0003, |
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203 | gt = 0.0003, 0.0003, 0.0003, |
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204 | gph = 0.0003, 0.0003, 0.0003, |
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205 | xwavenum = 3 |
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206 | ywavenum = 3 |
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207 | if_ramping = 1, |
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208 | dtramp_min = 60.0, |
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209 | io_form_gfdda = 2, |
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210 | |
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211 | ** Using adaptive time step option (add these in namelist record &domains): |
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212 | |
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213 | use_adaptive_time_step = .true., |
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214 | step_to_output_time = .true., |
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215 | target_cfl = 1.2, 1.2, 1.2, |
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216 | target_hcfl = .84, .84, .84, |
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217 | max_step_increase_pct = 5, 51, 51, |
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218 | starting_time_step = -1, -1, -1, |
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219 | max_time_step = 360, 120, 40, |
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220 | min_time_step = 90, 30, 10, |
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221 | adaptation_domain = 1, |
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222 | |
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223 | ** Using automatic vortex-following option (tropical storm tracking only; |
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224 | add these in namelist record &domains): |
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225 | |
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226 | vortex_interval = 15, 15, 15, |
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227 | max_vortex_speed = 40, 40, 40, |
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228 | corral_dist = 8, 15, 15, |
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229 | track_level = 50000, |
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230 | |
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231 | ** Using different flux formulation for tropical storm simulations |
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232 | (more effective when grid sizes are smaller than 2 km), and simple |
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233 | 1-D ocean mixed layer (add these in namelist record &physics): |
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234 | |
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235 | isftcflx = 1, |
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236 | omlcall = 1, |
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237 | oml_hml0 = 50, |
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238 | oml_gamma = 0.14 |
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239 | |
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240 | ** Miscellaneous physics options for namelist record &physics: |
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241 | |
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242 | Topographic shading (only effective when grid sizes are a few kilometers) |
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243 | |
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244 | slope_rad = 1, 1, 1, |
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245 | topo_shading = 1, 1, 1, |
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246 | shadlen = 25000, |
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247 | |
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248 | Setting threashold value for defining seaice if seaice is not in the input file: |
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249 | |
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250 | seaice_threshold = 271, |
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251 | |
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252 | Switching off latent heating from a microphysics scheme (must also set cu_physics = 0): |
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253 | |
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254 | no_mp_heating = 0, |
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255 | |
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256 | ** Using precipiatiion bucket in a time interval (minutes): |
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257 | |
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258 | prec_acc_dt = 60. |
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259 | |
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260 | ** Using bucket accumulations for multi-year simulations (guideline: mean monthly accumulation) |
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261 | |
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262 | bucket_mm = 100. |
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263 | bucket_J = 1.e9 |
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264 | |
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265 | ** Optional gravitational settling of fog/cloud droplets (MYNN PBL only) |
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266 | |
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267 | grav_settling = 1, ; default 0 |
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268 | |
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269 | ** Using implicit gravity-wave damping option (add these in namelist record &dynamics): |
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270 | |
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271 | damp_opt = 3, |
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272 | zdamp = 5000., 5000., 5000., |
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273 | dampcoef = 0.2, 0.2, 0.2 |
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274 | |
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275 | ** Using expanded boundary zone and exponential decay option (add or modify these in |
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276 | namelist record &bdy_control): |
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277 | |
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278 | spec_bdy_width = 10, |
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279 | spec_zone = 1, |
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280 | relax_zone = 9, |
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281 | specified = .true., .false.,.false., |
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282 | spec_exp = 0.33 |
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283 | |
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284 | For a tropical channel configuration, set the following: |
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285 | |
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286 | specified = .true., .false.,.false., |
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287 | periodic_x = .true., .false.,.false., |
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288 | |
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289 | ** using io quilting option to improve output efficiency for large domain runs |
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290 | (note that this is a separate namelist record): |
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291 | |
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292 | &namelist_quilt |
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293 | nio_tasks_per_group = 2, |
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294 | nio_groups = 1, |
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295 | / |
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