Rapid Refresh (RAP) Forum
Re: NCEP vs GSD GRIB parameter ordering conflict
Posted By: Kevin Brundage In Response To: NCEP vs GSD GRIB parameter ordering conflict (Jack Glendening)
Date: 19-March-07 1954Z
In Response To: NCEP vs GSD GRIB parameter ordering conflict (Jack Glendening)
While the order of the variables in a GRIB file is typically consistent, it is better to key off the parameter and level names in the index to locate variables. As you noted the order of the parameters sometimes change. Determining the index for the field, based on the inventory, ensures that the correct field is loaded.
Here is an example of creating an ieee file using wgrib taken from
wgrib -s grib_file | grep ":UGRD:" | grep ':50 mb:' | wgrib -i -s -ieee -h grib_file
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