Problem to open netcdf files from NARR!

Juan Matias Mendez matias at TROPOSFERA.ATMOSFCU.UNAM.MX
Mon Dec 18 15:40:26 EST 2006


Don Hooper,

It worked!. Thank you very much for your response.

Matias



El lun, 18-12-2006 a las 11:49 -0700, Don Hooper escribió:
> Matias,
>
> The sdfopen/xdfopen code can't handle this file, but the "dtype netcdf"
> stuff for a DDF for use with the "open" command can in 1.9.  Here's a
> sample DDF for that purpose:
> DSET /path/to/apcp.mon.mean.nc
> DTYPE netcdf
> TITLE NARR 4D field lambert conformal projection
> UNDEF -9999.0 missing_value
> UNPACK scale_factor add_offset
> PDEF 349 277 lcc 1 -145.5 1 1 50 50 -107 32463.41 32463.41
> XDEF 205 linear 150 1
> YDEF 85 linear 2 1
> ZDEF 1 levels 0
> tdef 312 linear 00z1jan1979 1mo
> vars 3
> apcp 29 t,y,x  Precip
> lat=>glat 0 y,x Latitude
> lon=>glon 0 y,x Longitude
> endvars
>
> Good luck,
> -Hoop
> > From owner-gradsusr at LIST.CINECA.IT  Mon Dec 18 11:43:20 2006
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> > Date:         Mon, 18 Dec 2006 12:37:05 -0600
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> > From: Juan Matias Mendez <matias at TROPOSFERA.ATMOSFCU.UNAM.MX>
> > X-ASG-Orig-Subj:      Problem to open netcdf files from NARR!
> > Subject:      Problem to open netcdf files from NARR!
> > To: GRADSUSR at LIST.CINECA.IT
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> >
> > Hello GrADS users,
> >
> > I downloaded North American Regional Reanalysis (NARR) data in netcdf
> > format from this page:
> >
> > http://www.cdc.noaa.gov/cdc/data.narr.html
> >
> > But when I tried to open file (gradsnc -lc "sdfopen apcp.mon.mean.nc"),
> > I got the following error message:
> >
> > SDF file has no discernable X coordinate.apcp.mon.mean.nc
> >
> > I'm using GrADS v1.8SL11.
> >
> > Has anybody used these NARR files?, how can I solve this problem?.
> >
> > Suggestions or solutions are welcome. Thank very much.
> >
> > Matias
> >
>



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