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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
> > > Javier, > > To use GRIB data within GEMPAK, the data will need to be converted to > a GEMPAK grid file. You can do this with either the program NAGRIB > (as described in the user manual), or the program DCGRIB (which can > be used to decode realtime data from the LDM through the pqact.conf > entries are are shown in our tutorial). > > If you have the grib file, you can probably decode it using: > cat gribfile | dcgrib -d - PACK YYYYMMDDHH_model.gem > In the above, you will need to have sourced the Gemenviron file into your > csh environmant so that the GEMPAK tables are found by the program. > The YYYYMMDDHH characters will be replaced by the date and time found > in the GRIB data. I will try your sugestions. > > There are sample data files in gempak5.4/data directory. > The files with .sfc and .shp are surface data files from > land and ship stations respectively. The .snd file is upperair (radiosonde) > data, and .grd is a gridded data file. > > If you need additional data, then the case study is probably a good > start for excersises: > http://www.joss.ucar.edu/cometCases/ > You can obtain files in GEMPAK format for many types of weather events that > might be useful for either learning the software package, or for > teaching students elements of meteorology. > I will try a case study to become familiar with Gempak instructions. > If you need more help in setting up a data set, let me know and I will create > one for you. As a learning experience for myself I will try to create one. In case I fail, I'll send a desperate message for help. Thank you. Javier Soley