WRF - Developmental Testbed Center

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Variable NamesValue(Example)Description0. No snow-cover effect1. With snow-cover effecticloud 0 Cloud effect to the optical depth in the Dudhiashortwave (ra_sw_physics=1) and RRTMlongwave radiation (ra_lw_physics=1) schemes.0. No cloud effect1. With cloud effectnum_soil_layers 4 Number of soil layers in land surface model.Options available:2. Pleim-Xu Land Surface Model4. Noah Land Surface Model(Well-tested for WRF-NMM, used operationallyat NCEP)5. Thermal diffusion scheme6. RUC Land Surface Model (Preliminarilytested for WRF-NMM)maxiens 1 Grell-Devenyi and G3 onlymaxens 3 G-D onlymaxens2 3 G-D onlymaxens3 16 G-D onlyensdim 144 G-D only. Note: These are recommendednumbers. If you would like to use any othernumber, consult the code, and know what youare doing.mp_zero_out 0 For non-zero mp_physics options, to keep watervapor positive (Qv >= 0), and to set the othermoisture fields smaller than some thresholdvalue to zero.0. No action is taken, no adjustment to any moistfield. (conservation maintained)1. All moist arrays, except for Qv, are set to zeroif they fall below a critical value. (Noconservation)2. Qv
Variable NamesValue(Example)Description> 10 km0. Off (default)1. ARW GWD on2. NMM GWD onsst_update 0 Option to use time-varying SST, seaice,vegetation fraction, and abledo during a modelsimulation (set before running real_nmm.exe)0. Off (default)1. real_nmm.exe will create wrflowinp_d01 fileat the same time interval as the available inputdata. To use it in wrf.exe, addauxinput4_inname=wrflowinp_d andauxinput4_interval under the &time_controlnamelist section&fddaObservation nudging (Not yet available in theWRF-NMM)&dynamicsDynamics options:dyn_opt 4 4. WRF-NMM dynamicsnon_hydrostatic .true. Whether running the model in hydrostatic ornon-hydrostatic model.euler_adv .false. Logical switch that turns on/off passiveadvection (new in v3.2)idtadt 1 Dynamics timestep between calls to the passiveadvection for dynamics variablesidtadc 1 Dynamics timestep between calls to the passiveadvection for chemistry variables&bc_controlBoundary condition control.spec_bdy_width 1 Total number of rows for specified boundaryvalue nudging. It MUST be set to 1 for WRF-NMM core.specified (max_dom) .true. Specified boundary conditions (only applies todomain 1)&grib2WRF-NMM V3: User’s Guide 5-20
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 and 10: Vendor Hardware OS CompilerCray X1
Page 11 and 12: If all of these executables are def
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 35: 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
Page 61 and 62: RAINCV SNOW HBOTRAINNCVSNOWCNote: F
Page 63 and 64: Running WPPFour scripts for running
Page 65 and 66: i. As the grid id of a pre-defined
Page 67 and 68: The GrADS package is available from
Page 69 and 70: Height on pressure surface HEIGHT O
Page 71 and 72: MELTPrecipitation type (4 types) -
Page 73 and 74: Press at tropopause PRESS AT TROPOP
Page 75 and 76: RIP4RIP IntroductionRIP (which stan
Page 77 and 78: A successful compilation will resul
Page 79 and 80: iinterp = 0v v v v vH V H V h h h h
Page 81 and 82: espectively, of the centered domain
Page 83 and 84: This can be either 'h' (for hours),
Page 85: eal variable expect values that are
Page 88 and 89:
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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