[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #WFP-128695]: Fwd: ds627.0 GRIB data

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [IDV #WFP-128695]: Fwd: ds627.0 GRIB data
  • Date: Fri, 12 Aug 2011 09:46:00 -0600
> Yuan,
> 
> Below is a forwarded email confirming that there is extra information
> in the grib file. Thanks for your help on this problem!
> 
> V/R,
> 
> Stefan
> 

So this grib file probably follows the WMO convention, not the ncep convention, 
and I will talk to John to see if the CDM can do anything to help.


Yuan
> Stefan Cecelski
> Ph.D. Candidate and Graduate Research Assistant
> AOSC Department: University of Maryland College Park
> 2343 Computer and Space Sciences Building(CSS #224)
> 703.801.1370
> address@hidden
> 
> 
> Begin forwarded message:
> 
> > From: chifan <address@hidden>
> > Date: August 9, 2011 2:02:38 PM EDT
> > To: address@hidden
> > Cc: David Stepaniak <address@hidden>, chifan <address@hidden>
> > Subject: ds627.0  GRIB data
> >
> > Stefan,
> >
> > It is confirmed that all ECMWF data from its MARS system carry bytes
> > 41-52 in PDS section for labelling.
> > Those bytes do not contain any data and a GRIB decoder should read
> > the GRIB records correctly.  The wgrib
> > outputs shown in your email are from the latest version of wgrib.
> > Since bytes 41-52 are for "local" usage,
> > interpretation of them is not universal.  I'll be in touch with
> > Wesley about this.
> >
> > Please contact us immediately if you see weird results.
> >
> > Also, please feel free to send a copy to the Unidata person who has
> > answered your inquiry.
> >
> > -- Chi-Fan
> > address@hidden, Tel:303/497-1833, Fax:303/497-1291, http://dss.ucar.edu
> > Mail: NCAR, P.O. Box 3000, Boulder, CO 80307-3000
> > Overnight: 3090 Center Green Drive, NCAR ML 288A, Boulder, CO
> > 80301-2252
> >
> 
> 
> 


Ticket Details
===================
Ticket ID: WFP-128695
Department: Support IDV
Priority: Normal
Status: Open