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MM5 Modeling System Version 3

MM5 Pre-Processing Programs Version 3 : Release emails to users


Release
3-6

Release
3-5

Release
3-4

Release
3-3

Release
3-2


Dear MM5 V3 users,

This email announces the release 3-6 of Version 3 pre- and post-processing programs: TERRAIN, REGRID, RAWINS, LITTLE_R, INTERPF, NESTDOWN, INTERPB, GRAPH, RIP, MM5toGrADS.

All source code tar files are updated on anonymous ftp site, NCAR's MSS, and IBM-accessible disk since December 27, 2002.
For information on where to obtain the 3-6 source code, please see

     http://www2.mmm.ucar.edu/mm5/mm5v3.html

The highlights of the changes in each program is described in the CHANGES file in each of the program tar file. They are also posted on the Web:

     http://www2.mmm.ucar.edu/mm5/mm5v3/changes-v3.html

The major changes include:

  1. REGRID can now process AFWA AGRMET data. This dataset provides extra surface fields (SOIL temperature/moisture/etc.) which can be used as input to MM5's new LSM (Noah). More information about how to obtain and use this dataset will be available on the Web. REGRID can also ingest maximum snow albedo and monthly albedo data to be optionally used with the new Noah LSM in MM5.

  2. REGRID can now also process seaice fraction data for use in MM5's polar physics modification option. If you plan to use this, please read the README file under REGRID/pregrid/nise for instructions and directions to the data.

  3. INTERPF/INTERPB and NESTDOWN has been modified to process these new data fields.

INTERPB now generate intermediate files for Mercator projections.

NCAR has discommissioning its last Cray in September 2002.
For those of you who still have important MM5 files, in Cray format, we have a conversion program available that will run on the IBM's and convert these files to IEEE format. Please visit for more information:

     http://www2.mmm.ucar.edu/mm5/mm5v3/ibm.html

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