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[GEMPAK #LEC-275877]: Decoding RTMA data via gribkey.tbl



Art,

The RTMA is modelid #109. The grid number will be 255. Note that the P01M grid 
is subcenter 0,
while the other components are subcenter 4.

The gribkey.tbl catch all entry will be:
007   x   109       255    data/gempak/model/rtma/YYYYMMDDHH_rtma.gem  200

Your entry below had the NCEP grid number 227 in the modelid field.
You could separate out the subcenter 0 and 4 if needed by replacing the "x".

Steve Chiswell
Unidata User Support


> Hi...
> 
> I'm decoding RTMA data but have been unable to make it work via
> gribkey.tbl.  I've been using the following entry in the pqact file (which
> works):
> 
> # RTMA (real-time mesoscale analysis) Grid 227 CONUS 5km
> NGRID   ^[LM].M... KWBR
> PIPE    decoders/dcgrib2 -m 200 -d data/gempak/logs/dcgrib2_rtma.log
> -e GEMTBL=/home/gempak/NAWIPS/gempak/tables
> data/gempak/model/rtma/YYYYMMDDHH_rtma.gem
> 
> But when I try using entries in gribkey.tbl such as:
> 
> ! RTMA
> 007   x   227       109    data/gempak/model/rtma/YYYYMMDDHH_rtma.gem         
>  200
> 007   x   227       255    data/gempak/model/rtma/YYYYMMDDHH_rtma.gem         
>  200
> 
> I see these errors in the log file:
> 
> [7776] 070213/0852[DC 3] Version 5.9.4
> [7776] 070213/0852[DC -11]
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DCGRIB 0] Increased MAXGRIBSIZE to 1109134
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0852[DECODE_GRIB2 -1] decode_g2gds failed
> [7776] 070213/0902[DCGRIB -6] Time Out
> [7776] 070213/0902[DC 5]
> [7776] 070213/0902[DC 2] Number of bulletins read and processed: 10
> [7776] 070213/0902[DC 6]
> 
> If this can be done from gribkey.tbl, what am I doing wrong?
> 
> 
> Thanks.
> 
> Art
> 
> Arthur A. Person
> Research Assistant, System Administrator
> Penn State Department of Meteorology
> email:  address@hidden, phone:  814-863-1563
> 
> 


Ticket Details
===================
Ticket ID: LEC-275877
Department: Support GEMPAK
Priority: Normal
Status: Closed