WRF ARW User's Guide - MMM - UCAR

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MODEL dfi_bckstop_month 06 from 2001061112, this specifies 1 hour backward integration two-digit month of stop time for backward DFI integration dfi_bckstop_day 11 two-digit day of stop time for backward DFI integration dfi_bckstop_hour 11 two-digit hour of stop time for backward DFI integration dfi_bckstop_minute 00 two-digit minute of stop time for backward DFI integration dfi_bckstop_second 00 two-digit second of stop time for backward DFI integration dfi_fwdstop_year 2001 four-digit year of stop time for forward DFI integration. For a model that starts at 2001061112, this specifies 30 minutes of forward integration dfi_fwdstop_month 06 two-digit month of stop time for forward DFI integration dfi_fwdstop_day 11 two-digit day of stop time for forward DFI integration dfi_fwdstop_hour 12 two-digit hour of stop time for forward DFI integration dfi_fwdstop_minute 30 two-digit minute of stop time for forward DFI integration dfi_fwdstop_second 00 two-digit second of stop time for forward DFI integration &scm for single column model option only scm_force 1 switch for single column forcing (=0 off) scm_force_dx 4000. DX for SCM forcing (in meters) num_force_layers 8 number of SCM input forcing layers scm_lu_index 2 SCM landuse category (2 is dryland, cropland and pasture) scm_isltyp 4 SCM soil category (4 is silt loam) scm_vegfra 0.5 SCM vegetation fraction scm_canwat 0.0 SCM canopy water scm_lat 37. SCM latitude scm_lon -96. SCM longitude scm_th_adv .true. turn on theta advection in SCM scm_wind_adv .true. turn on wind advection in SCM scm_qv_adv .true. turn on moisture advection in SCM scm_vert_adv .true. turn on vertical advection in SCM WRF-ARW V3: User’s Guide 5-52
MODEL &tc controls for tc_em.exe only insert_bogus_storm .false. T/F for inserting a bogus tropical storm remove_storm .false. T/F for only removing the original TC num_storm 1 number of bogus TC latc_loc -999. center latitude of the bogus TC lonc_loc -999. center longitude of the bogus TC vmax_meters_per_second-999. vmax of bogus storm in meters per second rmax -999. maximum radius outward from storm center vmax_ratio -999. ratio for representative maximum winds, 0.75 for 45 km grid, and 0.9 for 15 km grid WRF Output Fields List of Fields The following is an edited output list from netCDF command 'ncdump'. Note that valid output fields will depend on the model options used. If the fields have zero values, then the fields are not computed by the model options selected. ncdump -h wrfout_d_ netcdf wrfout_d01_2000-01-24_12:00:00 dimensions: Time = UNLIMITED ; // (1 currently) DateStrLen = 19 ; west_east = 73 ; south_north = 60 ; bottom_top = 27 ; bottom_top_stag = 28 ; soil_layers_stag = 4 ; west_east_stag = 74 ; south_north_stag = 61 ; variables: char Times(Time, DateStrLen) ; float LU_INDEX(Time, south_north, west_east) ; LU_INDEX:description = "LAND USE CATEGORY" ; LU_INDEX:units = "" ; float ZNU(Time, bottom_top) ; ZNU:description = "eta values on half (mass) levels" ; ZNU:units = "" ; float ZNW(Time, bottom_top_stag) ; ZNW:description = "eta values on full (w) levels" ; ZNW:units = "" ; float ZS(Time, soil_layers_stag) ; ZS:description = "DEPTHS OF CENTERS OF SOIL LAYERS" ; ZS:units = "m" ; WRF-ARW V3: User’s Guide 5-53
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1. Overview − Introduction ......
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8. WRF Software − Introduction ..
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Table of Contents Chapter 1: Overvi
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OVERVIEW • Map projections for 1)
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Table of Contents Chapter 2: Softwa
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SOFTWARE INSTALLATION Note 1: If on
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Building the WRF Code SOFTWARE INST
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Building the WRF-Var Code SOFTWARE
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Chapter 3: WRF Preprocessing System
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WPS information specified by the us
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Required Libraries The only library
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ls drwxr-xr-x 2 4096 arch -rwxr-xr-
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should be written to may be indicat
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WPS When configuring a rotated lati
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WPS geog_data_path variable. Also,
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WPS supplied with Vtable files for
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&share wrf_core = 'ARW', max_dom =
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&share wrf_core = 'ARW', max_dom =
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that the MODIS-based categories sho
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should be set to a list of prefixes
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WPS If no field is found in more th
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WPS Output from the ungrib program
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5 19121.152344 0.093761623 6 19371.
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WPS ! 0 = cylindrical equidistant !
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The meanings of the level fields ar
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not possible to write a geogrid bin
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Description of the Namelist Variabl
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3. I_PARENT_START : A list of MAX_D
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21. POLE_LON : For the latitude-lon
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2. PRIORITY : An integer specifying
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Default value is null (i.e., no dom
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17. TILE_Y : An integer specifying
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5. FROM_INPUT : A character string
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21. FLAG_IN_OUTPUT : A character st
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6. wt_average_16pt : Weighted sixte
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Table 2: IGBP-Modified MODIS 20-cat
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float MAPFAC_MY(Time, south_north,
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:corner_lons = -93.64893f, -92.3966
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:SOUTH-NORTH_PATCH_END_UNSTAG = 60
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Table of Contents Chapter 4: WRF In
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INITIALIZATION programs should be r
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INITIALIZATION o Symmetric north an
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INITIALIZATION • Link the WPS fil
Page 89 and 90: Table of Contents Chapter 5: WRF Mo
Page 91 and 92: MODEL Hint: If using netCDF-4, make
Page 93 and 94: Enter appropriate options that are
Page 95 and 96: . Real-data case For a real-data ca
Page 97 and 98: MODEL eta_levels: model eta levels
Page 99 and 100: estart file named wrfrst_d_ will be
Page 101 and 102: Real Data Cases MODEL For real-data
Page 103 and 104: MODEL The purpose of this step is t
Page 105 and 106: f. Moving-Nested Run MODEL Two type
Page 107 and 108: MODEL Spectral Nudging is a new upp
Page 109 and 110: MODEL data and update these fields.
Page 111 and 112: MODEL If the model did not run to c
Page 113 and 114: 2.1 Longwave Radiation (ra_lw_physi
Page 115 and 116: MODEL km_opt = 2 or 3, see below. A
Page 117 and 118: MODEL b. Vertical velocity damping
Page 119 and 120: MODEL The value of relax_zone may b
Page 121 and 122: MODEL cycling F whether this run is
Page 123 and 124: MODEL max_dom 1 number of domains -
Page 125 and 126: MODEL when SKINTEMP is not present.
Page 127 and 128: MODEL 0 no action taken, no adjustm
Page 129 and 130: MODEL 3 NCEP GFS scheme (NMM only),
Page 131 and 132: MODEL 5-layer slab scheme, set to l
Page 133 and 134: MODEL if_zfac_ph (max_dom) 0 0= nud
Page 135 and 136: MODEL obs_prt_freq (max_dom)10 freq
Page 137 and 138: MODEL recommended, except for highl
Page 139: &grib2 MODEL background_proc_id 255
Page 143 and 144: float Q2(Time, south_north, west_ea
Page 145 and 146: E:units = "s-1" ; float SINALPHA(Ti
Page 147 and 148: map_proj = 1: Lambert Conformal Lis
Page 149 and 150: Table of Contents Chapter 6: WRF-Va
Page 151 and 152: WRF-VAR WARNING: It is impossible t
Page 153 and 154: 14. Darwin (MACOS) g95 with gcc (dm
Page 155 and 156: gzip -cd WRFNL3.1_PATCH.tar.gz | ta
Page 157 and 158: WRF-VAR Before running obsproc.exe,
Page 159 and 160: WRF-VAR There is an alternative way
Page 161 and 162: Observations Background Error Stati
Page 163 and 164: WRF-VAR / &wrfvar16 / &wrfvar17 / &
Page 165 and 166: Total number of obs. = 26726 Final
Page 167 and 168: ln -fs ad/ad_d01_2008-02-05_12:00:0
Page 169 and 170: WRF-VAR > ln -sf WRFDA/var/run/VARB
Page 171 and 172: WRF-VAR RTMINIT_NSENSOR = 12 # 5 AM
Page 173 and 174: WRF-VAR tions are present to keep t
Page 175 and 176: 6: U.S. Standard Atmosphere WRF-VAR
Page 177 and 178: WRF-VAR clwp: cloud liquid water pa
Page 179 and 180: WRF-VAR and/or low boundary conditi
Page 181 and 182: WRF-VAR Note: Larger analysis incre
Page 183 and 184: WRF-VAR The variance of each variab
Page 185 and 186: Additional WRF-Var Exercises: (a) S
Page 187 and 188: You may like to compare various dia
Page 189 and 190: WRF-VAR thin_mesh_conv 20. for ob_f
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WRF-VAR &wrfvar7 cv_options 5 3: NC
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WRF-VAR warnings_are_fatal false cl
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WRF-VAR use_antcorr false (max_inst
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'v' = Y-direction component of wind
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WRF-VAR obs_gpspw_read.diag print_r
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write_satem If keep satem obs in ob
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Table of Contents Chapter 7: Object
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OBSGRID • Provide surface fields
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Banana Scheme OBSGRID In analyses o
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Objective Analysis on Model Nests O
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Check your output OBSGRID Examine t
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OBSGRID • All reports for each se
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Each report in the wrf_obs/little_r
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OBSGRID The end data record is simp
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OBSGRID remove_data_above_qc_flag 2
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Namelist Variable Value Description
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Namelist record8 OBSGRID The data i
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Chapter 8: WRF Software Table of Co
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SOFTWARE variable like MPICH_F90 to
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SOFTWARE time configuration options
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SOFTWARE While the model state and
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SOFTWARE u_gc. It is a three dimens
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Registry Rconfig: SOFTWARE The Regi
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SOFTWARE The parallel communication
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WRF source modules and subroutines
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Table of Contents • Introduction
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POST-PROCESSING It runs on many dif
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; load functions and procedures loa
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3. Create an NCL plotting script. 4
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POST-PROCESSING Resources unique to
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POST-PROCESSING If you want to add
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wrf_user_ll_to_ij (nc_file, lons, l
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NCL built-in Functions POST-PROCESS
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POST-PROCESSING Add the markers NCL
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RIP4 POST-PROCESSING RIP (which sta
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POST-PROCESSING Will use NETCDF in
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The RIP user input file POST-PROCES
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Plot Specification Table POST-PROCE
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e.g. idt rip_sample.cgm POST-PROCES
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POST-PROCESSING • gribinfo.txt &
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POST-PROCESSING plot ‘all’ Whic
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POST-PROCESSING User will be prompt
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WPP POST-PROCESSING The NCEP WRF Po
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./configure You will be given a lis
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POST-PROCESSING pressure fields on
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POST-PROCESSING • When using the
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POST-PROCESSING 7. Create namelist
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2. Add the location of the GrADS ex
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POST-PROCESSING Column integrated c
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POST-PROCESSING Direct soil evapora
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POST-PROCESSING • Animation Contr
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POST-PROCESSING For example, if the
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5. Read the VAPOR Documentation POS
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Table of Contents • Introduction
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UTILITIES AND TOOLS -ts Generate ti
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iowrf UTILITIES AND TOOLS This util
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fields List of fields to process. d
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&tc insert_bogus_storm = .true. rem
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./v_interp wrfinput_d01 wrfinput_d0
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Design WRF model domains WPS/util/p
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GRIB data UTILITIES AND TOOLS ncrca
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WRF ARW User's Guide - MMM - UCAR

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