ppt - MMM - UCAR

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A scripting (interpreted) language tailored for the analysis and visualization of geoscientific data • Developed in NCAR/CISL in close collaboration with CGD scientists • UNIX binaries and source available, free • Extensive NCL website, hundreds of examples • Hands-on workshops • Email lists for consulting http://www.ncl.ucar.edu/
WRF-NCL A suite of analysis and visualization functions tailored for WRF-ARW model data • Included with NCL • Developed by scientists in <strong>MMM</strong> • Maintained by Cindy Bruyère/<strong>MMM</strong> and myself • Functions for calculating basic diagnostics • Functions for specialized visualizations – precipitation, surface, vorticity, meteograms, helicity, squall, dBZ, etc. • Website with lots of analysis and visualization examples • Workshops and tutorials (like this users’ event, usually for WRF in general) • Email list for consulting, wrfhelp@ucar.edu http://www.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/
Page 1 and 2: Post-processing WRF-ARW Data with t
Page 3: • Overview • NCL basics • Fil
Page 7 and 8: NCL: File input and output • Data
Page 9: NCL: Visualization • High-quality
Page 22 and 23: A T-S diagram is a graph showing th
Page 24 and 25: Based on a visualization of Adam Ph
Page 26 and 27: John Fasullo, NCAR/CGD
Page 29 and 30: CCMVal Workshop 2009 � June 1-5,
Page 31 and 32: • Overview • NCL basics • Fil
Page 33 and 34: load “$NCARG_ROOT/lib/ncarg/nclsc
Page 35 and 36: Mixing types ; Mixing types, “lar
Page 37 and 38: Arrays • Row major. . . like C/C+
Page 39 and 40: Special functions for arrays ; Very
Page 41 and 42: Missing values (_FillValue attribut
Page 43 and 44: File and variable attributes ; Use
Page 45 and 46: Array reorder, reshape, reverse ; R
Page 47 and 48: Array index subscripting, : and ::
Page 49 and 50: • Overview • NCL basics • Fil
Page 51 and 52: KHDIF : 0 KVDIF : 0 MP_PHYSICS : 3
Page 53 and 54: float V ( Time, bottom_top, south_n
Page 55 and 56:
Back to NCL scripts: Two ways to re
Page 57 and 58:
Reading (and examining) a variable
Page 59 and 60:
Creating a new variable & adding at
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WRF-NCL built-in functions Can use
Page 64 and 65:
Other WRF-NCL “WRFUserARW.ncl”
Page 66 and 67:
Other WRF-NCL “WRFUserARW.ncl”
Page 68 and 69:
Modifying wrf_user_getvar function
Page 70 and 71:
Step-by-step WRF-ARW visualizations
Page 72 and 73:
NCL & WRF-NCL � WRF User’s User
Page 75 and 76:
wrf_contour/wrf_vector Create line/
Page 77 and 78:
wrf_map_overlays/wrf_overlays Overl
Page 79 and 80:
http://www.mmm.ucar.edu/wrf/OnLineT
Page 81 and 82:
• Overview • NCL basics • Fil
Page 83 and 84:
Example F77 code: myTK.f C NCLFORTS
Page 85 and 86:
Calling Fortran 90 codes from NCL
Page 87 and 88:
Example F90 code: myTK.f90 + stub m
Page 89 and 90:
Page 91 and 92:
Debugging tips • Start with an ex
Page 93 and 94:
Page 95 and 96:
Customizing your NCL graphics envir
Page 97 and 98:
With and without a “.hluresfile
Page 99 and 100:
Useful URLS • Online WRF-NCL Grap
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