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Re: 20000131: dcreanal, pmsl grids
- Subject: Re: 20000131: dcreanal, pmsl grids
- Date: Thu, 3 Feb 2000 16:55:04 -0500 (EST)
Thank you, Steve. As usual, you were hit it right on the head. That line
was missing from the coordinate table. I added it in the table and
everything is working properly. Thank you!
Emily
_________________________________________________________________________
Emily K. Grover MMMMMM MMMMMM
University of Michigan MMMMM MMMMM
Atmospheric, Oceanic, and Space Sciences MMMMMM MMMMMM
Mesoscale Meteorology Laboratory MMMMMMM MMMMMMM
734.764.0564 MMMM MMMMM MMMM
MMMM MMM MMMM
MMMM MMMM
MMMMMM MMMMMM
_________________________________________________________________________
On Wed, 2 Feb 2000, Unidata Support wrote:
>
> Emily,
>
> The one field in your output that doesn't show up is the vertical
> coordinate name "NONE". This should be found in the
> $GEMTBL/grid/vcrdgrib1.tbl table.
> But, for some reason, it doesn't appear that you are getting this value.
> You might try looking in $GEMTBL/grid/vcrdgrib1.tbl to make sure that
> the file doesn't have the coordinate commented out.
>
> The Netcdf level_desc for this grie is Sea Level which should get mapped
> to vertical coordinate number 0, which should be the first entry
> in the coordinate table:
> 000 Reserved grid level NONE 0
>
> If this line starts with a "!" or doesn't exist then that would explain your
> trouble.
>
> Steve Chiswell
> Unidata User Support
>
>
> >From: Emily K Grover <address@hidden>
> >Organization: .
> >Keywords: 200002011849.LAA22132
>
> >Hi Steve,
> >
> >You're right, I wasn't decoding into monthly files. I was able to run the
> >programs that I need on the files you sent me. However, I wanted to make
> >sure that I could reproduce the monthly files you sent me. I used the
> >exact same command (dcreanal slp.1948.nc YYYYMM_slp.gem), but got
> >different output. When I run the above command I get the following:
> >
> >ventisca% dcreanal slp.1948.nc 194801_slp.gem
> > Changing center table to cntrgrib1.tbl
> > Changing vertical coord table to vcrdgrib1.tbl
> > Changing WMO parameter table to ncarncep1.tbl
> > Changing center parameter table to ncarncep1.tbl
> >opening 194801_slp.gem 480101/0000
> > 480101/0000 PMSL 0 -1
> > 480102/0000 PMSL 0 -1
> > 480103/0000 PMSL 0 -1
> > 480104/0000 PMSL 0 -1
> > 480105/0000 PMSL 0 -1
> >
> >
> >When you ran dcreanal, it produced:
> >
> >> Changing center table to cntrgrib1.tbl
> >> Changing vertical coord table to vcrdgrib1.tbl
> >> Changing WMO parameter table to ncarncep1.tbl
> >> Changing center parameter table to ncarncep1.tbl
> >> opening 194801_slp.gem 480101/0000
> >> 480101/0000 PMSL NONE 0 -1
> >> 480102/0000 PMSL NONE 0 -1
> >> 480103/0000 PMSL NONE 0 -1
> >> 480104/0000 PMSL NONE 0 -1
> >> 480105/0000 PMSL NONE 0 -1
> >> ...etc.
> >>
> >
> >I ran gdinfo om the files that I created and again, I get different output
> >than when run on your files. GDINFO on my monthly files gives me:
> > NUM TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
> > 1 480101/0000 ****** PMSL
> >
> > 2 480102/0000 ****** PMSL
> >
> > 3 480103/0000 ****** PMSL
> >
> > 4 480104/0000 ****** PMSL
> >
> >
> >GDINFO on your monthly files gives me:
> > NUM TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
> > 1 480101/0000 0 NONE PMSL
> >
> > 2 480102/0000 0 NONE PMSL
> >
> > 3 480103/0000 0 NONE PMSL
> >
> > 4 480104/0000 0 NONE PMSL
> >
> > 5 480105/0000 0 NONE PMSL
> >
> >
> >The monthly files I create are not even the same size as the ones you
> >created- they are smaller by approx 300K. Again, I am using the same
> >source data and command. Do you know why this is happening?
> >
> >Thank you,
> >Emily
> >
> >_________________________________________________________________________
> >Emily K. Grover MMMMMM MMMMMM
> >University of Michigan MMMMM MMMMM
> >Atmospheric, Oceanic, and Space Sciences MMMMMM MMMMMM
> >Mesoscale Meteorology Laboratory MMMMMMM MMMMMMM
> >734.764.0564 MMMM MMMMM MMMM
> > MMMM MMM MMMM
> > MMMM MMMM
> > MMMMMM MMMMMM
> >_________________________________________________________________________
> >
> >
> >On Mon, 31 Jan 2000, Unidata Support wrote:
> >
> >>
> >> Emily,
> >>
> >> I ran dcreanal on your data as follows to create monthly files:
> >> dcreanal slp.1948.nc YYYYMM_slp.gem
> >>
> >> This produced:
> >> Changing center table to cntrgrib1.tbl
> >> Changing vertical coord table to vcrdgrib1.tbl
> >> Changing WMO parameter table to ncarncep1.tbl
> >> Changing center parameter table to ncarncep1.tbl
> >> opening 194801_slp.gem 480101/0000
> >> 480101/0000 PMSL NONE 0 -1
> >> 480102/0000 PMSL NONE 0 -1
> >> 480103/0000 PMSL NONE 0 -1
> >> 480104/0000 PMSL NONE 0 -1
> >> 480105/0000 PMSL NONE 0 -1
> >> ...etc.
> >>
> >>
> >> I was able to display these files normally.
> >>
> >> At this point, I don't know why your were unsucessful. Is
> >the
> >above output
> >> what your received? Did you decode into monthly files? Since there are 366
> >> times in the file (and you can only have 200 times in a GEMPAK file), you
> >> have to split it up somehow- so monthly is the easiest choice. If you have
> >> a
> > ny more
> >> information on how you decoded the file, let me know.
> >>
> >> I'll attach the tarfile of decoded files in a separate message.
> >> You can unpack the tarfile with "zcat tarfile.Z | tar xvf -"
> >>
> >> Steve Chiswell
> >> Unidata User SUpport
> >>
> >>
> >>
> >>
> >
>
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