<p><b>xinzhang</b> 2009-04-01 15:39:50 -0600 (Wed, 01 Apr 2009)</p><p>Save for Chapt6<br>
</p><hr noshade><pre><font color="gray">Modified: trunk/wrf/UsersGuide/users_guide_chap6.doc
===================================================================
--- trunk/wrf/UsersGuide/users_guide_chap6.doc 2009-04-01 21:35:09 UTC (rev 163)
+++ trunk/wrf/UsersGuide/users_guide_chap6.doc 2009-04-01 21:39:50 UTC (rev 164)
@@ -1,5 +1,6 @@
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Installing WRF-Var
Before compiling the WRF-Var code, it is necessary to have at least installed the NetCDF, BLAS and LAPACK libraries. If any of the BLAS and LAPACK libraries are not available on the computer, they need to be installed first. The source code for these libraries can be freely downloaded from HYPERLINK "http://netlib.org/blas/" http://netlib.org/blas/ and HYPERLINK "http://netlib.org/lapack/" http://netlib.org/lapack/, Assuming, for example, that these libraries have been installed in subdirectories of /usr/local, the necessary environment variables might be set with
-setenv BLAS /usr/local/blas setenv LAPACK /usr/local/lapack
+> setenv BLAS /usr/local/blas > setenv LAPACK /usr/local/lapack
If only conventional observational data from LITTLE_R format file was used, then the NETCDF, BLAS and LAPACK libraries are mandatory. If you intend to use observational data with PREPBUFR format, the BUFR library has to be instal
led too and can be downloaded from HYPERLINK "http://www.nco.ncep.noaa.gov/sib/decoders/BUFRLIB/" http://www.nco.ncep.noaa.gov/sib/decoders/BUFRLIB/. If you intend to assimilate satellite radiance data, in addition to BUFR library, either CRTM (V1.2) or RTTOV (8.7) have to be installed and they can be downloaded from HYPERLINK "ftp://ftp.emc.ncep.noaa.gov/jcsda/CRTM/"ftp://ftp.emc.ncep.noaa.gov/jcsda/CRTM/ and HYPERLINK "http://www.metoffice.gov.uk/science/creating/working_together/nwpsaf_public.html" http://www.metoffice.gov.uk/science/creating/working_together/nwpsaf_public.html, the additional necessary environment variables might be set with
-setenv BUFR /usr/local/bufr
-setenv RTTOV /usr/local/rttov87 setenv CRTM /usr/local/crtm
+> setenv BUFR /usr/local/bufr
+> setenv RTTOV /usr/local/rttov87 > setenv CRTM /usr/local/crtm
Note: Make sure the required libraries were all compiled using the same compiler that will
be used to build WRF-Var, since the libraries produced by on!
e compil
er may not be compatible with code compiled with another. For BLAS, LAPACK and BUFR libraries compilation, they have to be compiled with the size of real variable = 8, which required by WRF-Var.
Assuming all required libraries are available, the WRF-Var Version 3.1 source code can be downloaded from HYPERLINK "http://www.mmm.ucar.edu/wrf/users/download/get_source.html" http://www.mmm.ucar.edu/wrf/users/download/get_source.html. After the tar file is unzipped (gunzip WRFDAV3.TAR.gz) and untarred (untar WRFDAV3.TAR), the directory WRFDA should be created; this directory contains the WRF-Var source code.
To configure WRF-Var, change to the WRFDA directory and type
@@ -1066,10 +1067,10 @@
-WRF-ARW V3: Users Guide 6- PAGE 50
+WRF-ARW V3: Users Guide 6- PAGE 2
-WRF-ARW V3: Users Guide 6- PAGE 49
+WRF-ARW V3: Users Guide 6- PAGE 3
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</font>
</pre>