WRF - Developmental Testbed Center

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WPS Software RequirementsThe WRF Preprocessing System (WPS) requires the same Fortran and C compilers usedto build the WRF model. WPS makes direct calls to the MPI libraries for distributedmemory message passing. In addition to the netCDF library, the WRF I/O API librarieswhich are included with the WRF model tar file are also required. In order to run theWRF Domain Wizard, which allows you to easily create simulation domains, Java 1.5 orlater is recommended.Required/Optional Libraries to DownloadThe netCDF package is required and can be downloaded from Unidata:http://www.unidata.ucar.edu (select DOWNLOADS).The netCDF libraries should be installed either in the directory included in the user’spath to netCDF libraries or in /usr/local and its include/ directory is defined by theenvironmental variable NETCDF. For example:setenv NETCDF /path-to-netcdf-libraryTo execute netCDF commands, such as ncdump and ncgen, /path-to-netcdf/bin may alsoneed to be added to the user’s path.Hint: When compiling WRF codes on a Linux system using the PGI (Intel, g95, gfortran)compiler, make sure the netCDF library has been installed using the same PGI (Intel,g95, gfortran) compiler.Hint: On NCAR’s IBM computer, the netCDF library is installed for both 32-bit and 64-bit memory usage. The default would be the 32-bit version. If you would like to use the64-bit version, set the following environment variable before you start compilation:setenv OBJECT_MODE 64If distributed memory jobs will be run, a version of MPI is required prior to building theWRF-NMM. A version of mpich for LINUX-PCs can be downloaded from:http://www-unix.mcs.anl.gov/mpi/mpichThe user may want their system administrator to install the code. To determine whetherMPI is available on your computer system, try:which mpif90which mpiccwhich mpirunWRF-NMM V3: User’s Guide 2-3
If all of these executables are defined, MPI is probably already available. The MPI lib/,include/, and bin/ need to be included in the user’s path.Three libraries are required by the WPS ungrib program for GRIB Edition 2 compressionsupport. Users are encouraged to engage their system administrators support for theinstallation of these packages so that traditional library paths and include paths aremaintained. Paths to user-installed compression libraries are handled in theconfigure.wps file.1. JasPer (an implementation of the JPEG2000 standard for "lossy" compression)http://www.ece.uvic.ca/~mdadams/jasper/Go down to “JasPer software”, one of the "click here" parts is the source../configuremakemake installNote: The GRIB2 libraries expect to find include files in jasper/jasper.h, so itmay be necessary to manually create a jasper subdirectory in the includedirectory created by the JasPer installation, and manually link header files there.2. zlib (another compression library, which is used by the PNG library)http://www.zlib.net/Go to "The current release is publicly available here" section and download../configuremakemake install3. PNG (compression library for "lossless" compression)http://www.libpng.org/pub/png/libpng.htmlScroll down to "Source code" and choose a mirror site../configuremake checkmake installTo get around portability issues, the NCEP GRIB libraries, w3 and g2, have beenincluded in the WPS distribution. The original versions of these libraries are available fordownload from NCEP at http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2/. The specifictar files to download are g2lib and w3lib. Because the ungrib program requires modulesfrom these files, they are not suitable for usage with a traditional library option during thelink stage of the build.WRF-NMM V3: User’s Guide 2-4
Page 1 and 2: ForewordUser's Guide for the NMM Co
Page 3 and 4: • WPP Directory Structure 7-3•
Page 5 and 6: The WRF modeling system software is
Page 7 and 8: WRF-NMM FLOW CHARTTerrestrialDataMo
Page 9: Vendor Hardware OS CompilerCray X1
Page 13 and 14: Once the tar file is obtained, gunz
Page 15 and 16: HWRF is set, then (3) will be autom
Page 17 and 18: In addition to these three links, a
Page 19 and 20: • Real-data simulations• Non-hy
Page 21 and 22: k. Morrison double-moment scheme (1
Page 23 and 24: g. GFDL surface layer (88): (This s
Page 25 and 26: Other physics optionsa. gwd_opt: Gr
Page 27 and 28: to the convergence of meridians app
Page 29 and 30: Variable NamesValue(Example)Descrip
Page 39 and 40: mpirun.lsf wrf.exeand for interacti
Page 41 and 42: The boundary conditions for the nes
Page 43 and 44: Examples:1. One nest and one level
Page 45 and 46: ottom_top_stag = 28 ;soil_layers_st
Page 47 and 48: float HLENSW(Time, south_north, wes
Page 49 and 50: float HBOTS(Time, south_north, west
Page 51 and 52: operational mesoscale Eta model. J.
Page 53 and 54: Mlawer, E. J., S. J. Taubman, P. D.
Page 55 and 56: NCEP WRF Postprocessor (WPP)WPP Int
Page 57 and 58: ./configureYou will be given a list
Page 59 and 60: equested output field. If the pre-r
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RAINCV SNOW HBOTRAINNCVSNOWCNote: F
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Running WPPFour scripts for running
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i. As the grid id of a pre-defined
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The GrADS package is available from
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Height on pressure surface HEIGHT O
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MELTPrecipitation type (4 types) -
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Press at tropopause PRESS AT TROPOP
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RIP4RIP IntroductionRIP (which stan
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A successful compilation will resul
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iinterp = 0v v v v vH V H V h h h h
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espectively, of the centered domain
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This can be either 'h' (for hours),
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eal variable expect values that are
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of all the requested trajectories a
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Creating Vis5D Dataset with RIPVis5
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User’s Guide for the NMM Core of
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Configuration: The configure script
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This program reads the contents of
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Period - Describes communications f
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fine grid), f (forcing, how the lat
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# halo HALO_NMM_K dyn_nmm8:q2;24:t
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(http://www.mmm.ucar.edu/wrf/WG2/Ti
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User's Guide for the NMM Core of th
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2. Make sure the files listed below
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User's Guide for the NMM Core of th
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Program geogridThe purpose of geogr
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1. Define a model coarse domain and
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to GEOGRID.TBL in the geogrid direc
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the GRIB data were downloaded to th
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By this point, there is generally n
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two nests are defined to have the s
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Note: For the WRF-NMM the variables
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simulations may use a constant SST
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entire simulation domain, and data
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that lists the variables and attrib
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http://www.ecmwf.int/products/data/
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intermediate formats (metgrid/src/r
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GRIB1| Level| From | To |Param| Typ
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corresponding source grid point. Gi
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tile_x = 1200tile_y = 1200tile_z =
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1. PARENT_ID : A list of MAX_DOM in
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V -DX- H| / |DY dx DY| / |H - DX- V
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intermediate files if ungrib is to
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the index and data tiles for the da
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1. PROJECTION : A character string
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25. SCALE_FACTOR : A real value tha
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10. INTERP_MASK : The name of the f
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1. four_pt : Four-point bi-linear i
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8. search : Breadth-first search in
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19 Mixed Tundra20 Barren TundraTabl
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LU_INDEX:units = "category" ;LU_IND
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netcdf met_em.d01.2009-01-05_12:00:
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}:ISOILWATER = 14 ;:grid_id = 1 ;:p
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WRF - Developmental Testbed Center

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