WRF ARW User's Guide - MMM - UCAR

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MODEL float DZS(Time, soil_layers_stag) ; DZS:description = "THICKNESSES OF SOIL LAYERS" ; DZS:units = "m" ; float U(Time, bottom_top, south_north, west_east_stag) ; U:description = "x-wind component" ; U:units = "m s-1" ; float V(Time, bottom_top, south_north_stag, west_east) ; V:description = "y-wind component" ; V:units = "m s-1" ; float W(Time, bottom_top_stag, south_north, west_east) ; W:description = "z-wind component" ; W:units = "m s-1" ; float PH(Time, bottom_top_stag, south_north, west_east) ; PH:description = "perturbation geopotential" ; PH:units = "m2 s-2" ; float PHB(Time, bottom_top_stag, south_north, west_east) ; PHB:description = "base-state geopotential" ; PHB:units = "m2 s-2" ; float T(Time, bottom_top, south_north, west_east) ; T:description = "perturbation potential temperature (theta-t0)" ; T:units = "K" ; float MU(Time, south_north, west_east) ; MU:description = "perturbation dry air mass in column" ; MU:units = "Pa" ; float MUB(Time, south_north, west_east) ; MUB:description = "base state dry air mass in column" ; MUB:units = "Pa" ; float NEST_POS(Time, south_north, west_east) ; NEST_POS:description = "-" ; NEST_POS:units = "-" ; float P(Time, bottom_top, south_north, west_east) ; P:description = "perturbation pressure" ; P:units = "Pa" ; float PB(Time, bottom_top, south_north, west_east) ; PB:description = "BASE STATE PRESSURE" ; PB:units = "Pa" ; float SR(Time, south_north, west_east) ; SR:description = "fraction of frozen precipitation" ; SR:units = "-" ; float POTEVP(Time, south_north, west_east) ; POTEVP:description = "accumulated potential evaporation" ; POTEVP:units = "W m-2" ; float SNOPCX(Time, south_north, west_east) ; SNOPCX:description = "snow phase change heat flux" ; SNOPCX:units = "W m-2" ; float SOILTB(Time, south_north, west_east) ; SOILTB:description = "bottom soil temperature" ; SOILTB:units = "K" ; float FNM(Time, bottom_top) ; FNM:description = "upper weight for vertical stretching" ; FNM:units = "" ; float FNP(Time, bottom_top) ; FNP:description = "lower weight for vertical stretching" ; FNP:units = "" ; float RDNW(Time, bottom_top) ; RDNW:description = "inverse d(eta) values between full (w) levels" ; RDNW:units = "" ; float RDN(Time, bottom_top) ; RDN:description = "inverse d(eta) values between half (mass) levels" ; RDN:units = "" ; float DNW(Time, bottom_top) ; DNW:description = "d(eta) values between full (w) levels" ; DNW:units = "" ; float DN(Time, bottom_top) ; DN:description = "d(eta) values between half (mass) levels" ; DN:units = "" ; float CFN(Time) ; CFN:description = "extrapolation constant" ; CFN:units = "" ; float CFN1(Time) ; CFN1:description = "extrapolation constant" ; CFN1:units = "" ; WRF-ARW V3: User’s Guide 5-54
float Q2(Time, south_north, west_east) ; Q2:description = "QV at 2 M" ; Q2:units = "kg kg-1" ; float T2(Time, south_north, west_east) ; T2:description = "TEMP at 2 M" ; T2:units = "K" ; float TH2(Time, south_north, west_east) ; TH2:description = "POT TEMP at 2 M" ; TH2:units = "K" ; float PSFC(Time, south_north, west_east) ; PSFC:description = "SFC PRESSURE" ; PSFC:units = "Pa" ; float U10(Time, south_north, west_east) ; U10:description = "U at 10 M" ; U10:units = "m s-1" ; float V10(Time, south_north, west_east) ; V10:description = "V at 10 M" ; V10:units = "m s-1" ; float RDX(Time) ; RDX:description = "INVERSE X GRID LENGTH" ; RDX:units = "" ; float RDY(Time) ; RDY:description = "INVERSE Y GRID LENGTH" ; RDY:units = "" ; float RESM(Time) ; RESM:description = "TIME WEIGHT CONSTANT FOR SMALL STEPS" ; RESM:units = "" ; float ZETATOP(Time) ; ZETATOP:description = "ZETA AT MODEL TOP" ; ZETATOP:units = "" ; float CF1(Time) ; CF1:description = "2nd order extrapolation constant" ; CF1:units = "" ; float CF2(Time) ; CF2:description = "2nd order extrapolation constant" ; CF2:units = "" ; float CF3(Time) ; CF3:description = "2nd order extrapolation constant" ; CF3:units = "" ; int ITIMESTEP(Time) ; ITIMESTEP:description = "" ; ITIMESTEP:units = "" ; float XTIME(Time) ; XTIME:description = "minutes since simulation start" ; XTIME:units = "" ; float QVAPOR(Time, bottom_top, south_north, west_east) ; QVAPOR:description = "Water vapor mixing ratio" ; QVAPOR:units = "kg kg-1" ; float QCLOUD(Time, bottom_top, south_north, west_east) ; QCLOUD:description = "Cloud water mixing ratio" ; QCLOUD:units = "kg kg-1" ; float QRAIN(Time, bottom_top, south_north, west_east) ; QRAIN:description = "Rain water mixing ratio" ; QRAIN:units = "kg kg-1" ; float LANDMASK(Time, south_north, west_east) ; LANDMASK:description = "LAND MASK (1 FOR LAND, 0 FOR WATER)" ; LANDMASK:units = "" ; float TSLB(Time, soil_layers_stag, south_north, west_east) ; TSLB:description = "SOIL TEMPERATURE" ; TSLB:units = "K" ; float SMOIS(Time, soil_layers_stag, south_north, west_east) ; SMOIS:description = "SOIL MOISTURE" ; SMOIS:units = "m3 m-3" ; float SH2O(Time, soil_layers_stag, south_north, west_east) ; SH2O:description = "SOIL LIQUID WATER" ; SH2O:units = "m3 m-3" ; float SEAICE(Time, south_north, west_east) ; SEAICE:description = "SEA ICE FLAG" ; SEAICE:units = "" ; float XICEM(Time, south_north, west_east) ; XICEM:description = "SEA ICE FLAG (PREVIOUS STEP)" ; XICEM:units = "" ; MODEL WRF-ARW V3: User’s Guide 5-55
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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
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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 and 140: &grib2 MODEL background_proc_id 255
Page 141: MODEL &tc controls for tc_em.exe on
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
Page 191 and 192: 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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