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[GEMPAK #FYW-889767]: Help with using dcgrib2 to decode AMPS model output

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  • Subject: [GEMPAK #FYW-889767]: Help with using dcgrib2 to decode AMPS model output
  • Date: Fri, 21 Jul 2006 10:21:56 -0600
> Steve,
> 
> Was this change made (remove hemflag) in 5.9.2?
> 
> Thanks,
> Robert Mullenax
> 
> 

Yes.
The hemflg fix I put in for the NWS grid #220 caused other problems, so I 
removed this.
The NWS grid that had the original problem in decoding still does.

Steve Chiswell
Unidata User Support

> 
> -----Original Message-----
> From: Unidata GEMPAK Support [mailto:address@hidden]
> Sent: Fri 4/7/2006 11:58 AM
> To: Robert Mullenax
> Cc: address@hidden
> Subject: [GEMPAK #FYW-889767]: Help with using dcgrib2 to decode AMPS model 
> output
> 
> >
> > Thanks! There are three different grids (I did not know this until I 
> > started filing them instead of decoding).
> >
> > I have attached a ugrd sample from each.
> >
> >
> 
> Robert,
> 
> The projection problem stems back to a "fix" I made 4 years ago for a broken 
> grid #220 product in NOAAPORT:
> http://www.unidata.ucar.edu/support/help/MailArchives/gempak/msg02666.html
> 
> If I remove the references to hemflag in $GEMPAK/source/gemlib/gb/gbpolr.c 
> which I
> introduced at that time, I get what appears to be a proper Antarctic 
> projection.
> If you have the source, you can make that change locally, or I'' send you new 
> nagrib/dcgrib2
> binaries if you need.
> 
> As noted in the support reference above, GEMPAK had the code right, but I was 
> trying to
> make a bad product in the data stream work.
> 
> I'll back out that change, and see if I can get a grid #220 product in the 
> current data stream
> to see if anything there has changes in the last 4 years!
> 
> Steve Chiswell
> Unidata User Support
> 
> Ticket Details
> ===================
> Ticket ID: FYW-889767
> Department: Support GEMPAK
> Priority: High
> Status: Closed
> 
> 
> 
> 


Ticket Details
===================
Ticket ID: FYW-889767
Department: Support GEMPAK
Priority: High
Status: Closed