[gradsusr] Issue with duplicate Varible in GRIB Data

[Wesley Ebisuzaki - NOAA Federal]

Mike,

I would like to see if alt_g2clt can handle the  offending file.
Can you send me a small version of the data?

wgrib2 IN.grib -rpn 0 -grib_out ZERO.grb

Wesley

On Sat, Dec 10, 2022 at 1:44 AM <mike at weatherwatch.net.au> wrote:

> Hi all,
>
>
>
> I am currently dealing with an issue with GRIB2 data from The Australian
> BOM – They offer GRIB2 data for forecast satellite imagery.  The issue
> though is that the 2 different satellite images both use the same variable
> name of BRTEMP (see below):
>
>
>
> wgrib2 IDY25001.APS3.syncld.slv.2022120612.120.surface.grb2
>
> 1:0:d=2022120612:BRTEMP:no_level:120 hour fcst:GMS 5 VISSR (GMS-5) 10.79 um
>
> 2:171088:d=2022120612:BRTEMP:no_level:120 hour fcst:MTSAT-2 IMAGER/MTSAT-2
> 6.80 um
>
>
>
> How do I deal with this when creating a control file with g2ctl? Is this
> data unusable with GRADS because of this situation? If I just run g2ctl
> with no config, it produces a control file as follows:
>
> dtype grib2
>
> options template
>
> ydef 512 linear -54.902344 0.117187
>
> xdef 427 linear 95.009765 0.175781
>
> tdef 5 linear 00Z10dec2022 3hr
>
> zdef 1 linear 1 1
>
> vars 1
>
> BRTEMP  0,-1 0,5,7 ** no_level Brightness Temperature [K]
>
> ENDVARS
>
>
>
> Then when I try and display that data I get all undefined data.
>
>
>
> Cheers, Mike
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