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Graphics: NCL With the use of NCL Libraries (http://www.ncl.ucar.edu), WRF-ARW data can easily be displayed. The information on these pages has been put together to help users generate NCL scripts to display their WRF-ARW model data. Some example scripts are available, but in order to fully utilize the functionality of the NCL Libraries, users should adapt these for their own needs, or write their own scripts. NCL can process WRF ARW static, input and output files, as well as WRF-Var output data. Both single and double precision data can be processed.
What is NEW? In July 2007, the WRF-NCL processing scripts have been incorporated into the NCL Libraries, thus only the NCL Libraries, are now needed. NCL version 4.3.1 or higher is required. (NOTE: Since the release of NCL version 4.3.1, the WRFUserARW.ncl script incorporated in the NCL libraries has been updated significantly, and users should get a new version of this script). With the NCL version 4.3.1 release all WRF related functions/procedures needed to plot WRF-ARW are now located in "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl". All the FORTRAN subroutines used for diagnostics and interpolation (previously located in wrf_user_fortran_util_0.f) has been re-coded into NCL in-line functions. This means users no longer need to compile these routines.
What is NCL The NCAR Command Language (NCL) is a free interpreted language designed specifically for scientific data processing and visualization. NCL has robust file input and output. It can read in netCDF, HDF4, HDF4-EOS, GRIB, binary and ASCII data. The graphics are world class and highly customizable. It runs on many different operating systems including Solaris, AIX, IRIX, Linux, MacOSX, Dec Alpha, and Cygwin/X running on Windows. The NCL binaries are freely available at: http://www.ncl.ucar.edu/Download/ To read more about NCL, please visit: http://www.ncl.ucar.edu/overview.shtml
Necessary software
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