Dear all,
I have a GRIB2 file with MSG data which I would like to read with NCL.
Unfortunately, I get the following error from ncl_filedump:
getpdstemplate: PDS Template 4.31 not defined.
warning:Error unpacking GRIB record section 4.
fatal:Could not open (MET9_IR108_cosmode_0909210000.grib2)
The NCEP web page
http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc.shtml
does not seem to list a PDS 31 template, so I guess the problem is that
the NCEP API does not support this template?
The ECMWF Grib API can read the file, e.g., the PDS looks like
Product Definition Section (PDS):
Template Number: 31
Template:
Satellite Product.
1 0 Parameter category (see Code Table 4.1)
2 2 Parameter number (see Code Table 4.2)
3 8 Type of generating process (see Code Table 4.3)
[ Code Table 4.3: 8 = Observation ]
4 0 Observation generating process identifier (def. by orig. centre)
5 1 Number of contributing spectral bands (NB)
6 333 Satellite series of band nb (code table def. by orig./generating centre)
7 72 Satellite numbers of band nb (code table def. by orig./generating centre)
8 207 Instrument types of band nb (code table def. by orig./generating centre)
9 0 Scale factor of central wave number of band nb
10 92592 Scaled value of central wave number of band nb (units: m-1)
Any comments or help are appreciated.
Best regards, Axel
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Received on Fri Sep 25 2009 - 05:29:36 MDT
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