WRF ARW User's Guide - MMM - UCAR

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WPS WPS Output Fields Below, a listing of the global attributes and fields that are written to the geogrid program's output files is given. This listing is an abridged version of the output from the ncdump program when run on a typical geo_em.d01.nc file. netcdf geo_em.d01 { dimensions: Time = UNLIMITED ; // (1 currently) DateStrLen = 19 ; west_east = 73 ; south_north = 60 ; south_north_stag = 61 ; west_east_stag = 74 ; land_cat = 24 ; soil_cat = 16 ; month = 12 ; variables: char Times(Time, DateStrLen) ; float XLAT_M(Time, south_north, west_east) ; XLAT_M:units = "degrees latitude" ; XLAT_M:description = "Latitude on mass grid" ; float XLONG_M(Time, south_north, west_east) ; XLONG_M:units = "degrees longitude" ; XLONG_M:description = "Longitude on mass grid" ; float XLAT_V(Time, south_north_stag, west_east) ; XLAT_V:units = "degrees latitude" ; XLAT_V:description = "Latitude on V grid" ; float XLONG_V(Time, south_north_stag, west_east) ; XLONG_V:units = "degrees longitude" ; XLONG_V:description = "Longitude on V grid" ; float XLAT_U(Time, south_north, west_east_stag) ; XLAT_U:units = "degrees latitude" ; XLAT_U:description = "Latitude on U grid" ; float XLONG_U(Time, south_north, west_east_stag) ; XLONG_U:units = "degrees longitude" ; XLONG_U:description = "Longitude on U grid" ; float CLAT(Time, south_north, west_east) ; CLAT:units = "degrees latitude" ; CLAT:description = "Computational latitude on mass grid" ; float CLONG(Time, south_north, west_east) ; CLONG:units = "degrees longitude" ; CLONG:description = "Computational longitude on mass grid" ; float MAPFAC_M(Time, south_north, west_east) ; MAPFAC_M:units = "none" ; MAPFAC_M:description = "Mapfactor on mass grid" ; float MAPFAC_V(Time, south_north_stag, west_east) ; MAPFAC_V:units = "none" ; MAPFAC_V:description = "Mapfactor on V grid" ; float MAPFAC_U(Time, south_north, west_east_stag) ; MAPFAC_U:units = "none" ; MAPFAC_U:description = "Mapfactor on U grid" ; float MAPFAC_MX(Time, south_north, west_east) ; MAPFAC_MX:units = "none" ; MAPFAC_MX:description = "Mapfactor (x-dir) on mass grid" ; float MAPFAC_VX(Time, south_north_stag, west_east) ; MAPFAC_VX:units = "none" ; MAPFAC_VX:description = "Mapfactor (x-dir) on V grid" ; float MAPFAC_UX(Time, south_north, west_east_stag) ; MAPFAC_UX:units = "none" ; MAPFAC_UX:description = "Mapfactor (x-dir) on U grid" ; WRF-ARW V3: User’s Guide 3-56
float MAPFAC_MY(Time, south_north, west_east) ; MAPFAC_MY:units = "none" ; MAPFAC_MY:description = "Mapfactor (y-dir) on mass grid" ; float MAPFAC_VY(Time, south_north_stag, west_east) ; MAPFAC_VY:units = "none" ; MAPFAC_VY:description = "Mapfactor (y-dir) on V grid" ; float MAPFAC_UY(Time, south_north, west_east_stag) ; MAPFAC_UY:units = "none" ; MAPFAC_UY:description = "Mapfactor (y-dir) on U grid" ; float E(Time, south_north, west_east) ; E:units = "-" ; E:description = "Coriolis E parameter" ; float F(Time, south_north, west_east) ; F:units = "-" ; F:description = "Coriolis F parameter" ; float SINALPHA(Time, south_north, west_east) ; SINALPHA:units = "none" ; SINALPHA:description = "Sine of rotation angle" ; float COSALPHA(Time, south_north, west_east) ; COSALPHA:units = "none" ; COSALPHA:description = "Cosine of rotation angle" ; float LANDMASK(Time, south_north, west_east) ; LANDMASK:units = "none" ; LANDMASK:description = "Landmask : 1=land, 0=water" ; float LANDUSEF(Time, land_cat, south_north, west_east) ; LANDUSEF:units = "category" ; LANDUSEF:description = "24-category USGS landuse" ; float LU_INDEX(Time, south_north, west_east) ; LU_INDEX:units = "category" ; LU_INDEX:description = "Dominant category" ; float CON(Time, south_north, west_east) ; CON:units = "" ; CON:description = "orographic convexity" ; float VAR(Time, south_north, west_east) ; VAR:units = "m" ; VAR:description = "stdev of subgrid-scale orographic height" ; float OA1(Time, south_north, west_east) ; OA1:units = "" ; OA1:description = "orographic asymmetry" ; float OA2(Time, south_north, west_east) ; OA2:units = "" ; OA2:description = "orographic asymmetry" ; float OA3(Time, south_north, west_east) ; OA3:units = "" ; OA3:description = "orographic asymmetry" ; float OA4(Time, south_north, west_east) ; OA4:units = "" ; OA4:description = "orographic asymmetry" ; float OL1(Time, south_north, west_east) ; OL1:units = "fraction" ; OL1:description = "effective orographic length" ; float OL2(Time, south_north, west_east) ; OL2:units = "fraction" ; OL2:description = "effective orographic length" ; float OL3(Time, south_north, west_east) ; OL3:units = "fraction" ; OL3:description = "effective orographic length" ; float OL4(Time, south_north, west_east) ; OL4:units = "fraction" ; OL4:description = "effective orographic length" ; float HGT_M(Time, south_north, west_east) ; HGT_M:units = "meters MSL" ; HGT_M:description = "Topography height" ; WPS WRF-ARW V3: User’s Guide 3-57
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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
Page 23 and 24: Required Libraries The only library
Page 25 and 26: ls drwxr-xr-x 2 4096 arch -rwxr-xr-
Page 27 and 28: should be written to may be indicat
Page 29 and 30: WPS When configuring a rotated lati
Page 31 and 32: WPS geog_data_path variable. Also,
Page 33 and 34: WPS supplied with Vtable files for
Page 35 and 36: &share wrf_core = 'ARW', max_dom =
Page 37 and 38: &share wrf_core = 'ARW', max_dom =
Page 39 and 40: that the MODIS-based categories sho
Page 41 and 42: should be set to a list of prefixes
Page 43 and 44: WPS If no field is found in more th
Page 45 and 46: WPS Output from the ungrib program
Page 47 and 48: 5 19121.152344 0.093761623 6 19371.
Page 49 and 50: WPS ! 0 = cylindrical equidistant !
Page 51 and 52: The meanings of the level fields ar
Page 53 and 54: not possible to write a geogrid bin
Page 55 and 56: Description of the Namelist Variabl
Page 57 and 58: 3. I_PARENT_START : A list of MAX_D
Page 59 and 60: 21. POLE_LON : For the latitude-lon
Page 61 and 62: 2. PRIORITY : An integer specifying
Page 63 and 64: Default value is null (i.e., no dom
Page 65 and 66: 17. TILE_Y : An integer specifying
Page 67 and 68: 5. FROM_INPUT : A character string
Page 69 and 70: 21. FLAG_IN_OUTPUT : A character st
Page 71 and 72: 6. wt_average_16pt : Weighted sixte
Page 73: Table 2: IGBP-Modified MODIS 20-cat
Page 77 and 78: :corner_lons = -93.64893f, -92.3966
Page 79 and 80: :SOUTH-NORTH_PATCH_END_UNSTAG = 60
Page 81 and 82: Table of Contents Chapter 4: WRF In
Page 83 and 84: INITIALIZATION programs should be r
Page 85 and 86: INITIALIZATION o Symmetric north an
Page 87 and 88: 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 -
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MODEL when SKINTEMP is not present.
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MODEL 0 no action taken, no adjustm
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MODEL 3 NCEP GFS scheme (NMM only),
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MODEL 5-layer slab scheme, set to l
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MODEL if_zfac_ph (max_dom) 0 0= nud
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MODEL obs_prt_freq (max_dom)10 freq
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MODEL recommended, except for highl
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&grib2 MODEL background_proc_id 255
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MODEL &tc controls for tc_em.exe on
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float Q2(Time, south_north, west_ea
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E:units = "s-1" ; float SINALPHA(Ti
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map_proj = 1: Lambert Conformal Lis
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Table of Contents Chapter 6: WRF-Va
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WRF-VAR WARNING: It is impossible t
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14. Darwin (MACOS) g95 with gcc (dm
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gzip -cd WRFNL3.1_PATCH.tar.gz | ta
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WRF-VAR Before running obsproc.exe,
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WRF-VAR There is an alternative way
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Observations Background Error Stati
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WRF-VAR / &wrfvar16 / &wrfvar17 / &
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Total number of obs. = 26726 Final
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ln -fs ad/ad_d01_2008-02-05_12:00:0
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WRF-VAR > ln -sf WRFDA/var/run/VARB
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WRF-VAR RTMINIT_NSENSOR = 12 # 5 AM
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WRF-VAR tions are present to keep t
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6: U.S. Standard Atmosphere WRF-VAR
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WRF-VAR clwp: cloud liquid water pa
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WRF-VAR and/or low boundary conditi
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WRF-VAR Note: Larger analysis incre
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WRF-VAR The variance of each variab
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Additional WRF-Var Exercises: (a) S
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You may like to compare various dia
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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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