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20040415: 20040414: cyclone-gempak
- Subject: 20040415: 20040414: cyclone-gempak
- Date: Thu, 15 Apr 2004 16:32:40 -0600
Mynul,
The log message is correct:
[641] 040415/1542 [DCUAIR 2] INVALID DATTIM: 040416/1200
040415/1542 1218 47041 TTAA 1612/ 47041
this means that station 47041 sent out an observation today
(April 15) stating that it was a sounding for 12Z April 16,
which is not possible. The decoder is just alerting you to that fact.
Steve Chiswell
Unidata User Support
>From: "Mynul H. Khan" <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200404151746.i3FHk7CT014893
><html><div style='background-color:'><DIV class=RTE>
><P>Hi Chris,<BR>Thanks very much for your instruction. After following your in
> struction, I see that the gempak nsharp program is able to find sounding
> data file. But when I checked the log file, I found the follwing messeges:</
> P>
><P>[641] 040415/1542 [DCUAIR 2] INVALID DATTIM: 040416/1200
> 040415/1542 16 12 <BR>1218 47041 TTAA 1612/ 47041<BR></P>
><P>I thought I should check that with you.<BR>Thank you,<BR>-Mynul<BR></P></DI
> V>
><DIV></DIV>>From: Unidata Support <address@hidden>
><DIV></DIV>>To: "Mynul H. Khan" <address@hidden>
><DIV></DIV>>CC: address@hidden
><DIV></DIV>>Subject: 20040414: cyclone-gempak
><DIV></DIV>>Date: Wed, 14 Apr 2004 13:26:25 -0600
><DIV></DIV>>
><DIV></DIV>>Mynul,
><DIV></DIV>>
><DIV></DIV>>In the GEMPAK distribution, I provide entries for your pqact.co
> nf file which
><DIV></DIV>>is used to decode the sounding data from the LDM into a GEMPAK
> file.
><DIV></DIV>>
><DIV></DIV>>Your ~ldm/etc/ldmd.conf file controls what data are sent to you
> r host from
><DIV></DIV>>the upstream LDM. Tthe sounding data are in the IDS|DDPLUS feed
> , which most sites
><DIV></DIV>>get at a minimum.
><DIV></DIV>>
><DIV></DIV>>Your pqact.conf file tells your LDM what to do with the data wh
> en it arrives.
><DIV></DIV>>In the case of sounding data for GEMPAK, the data is sent to th
> e GEMPAK
><DIV></DIV>>program dcuair for decoding.
><DIV></DIV>>
><DIV></DIV>>Complete details are available in the following web pages:
><DIV></DIV>>
><DIV></DIV>>http://my.unidata.ucar.edu/content/software/gempak/GEMPAK5.7/co
> nfiguration.html
><DIV></DIV>>(See the LDM configuration section at the top of the page)
><DIV></DIV>>
><DIV></DIV>>http://my.unidata.ucar.edu/content/software/gempak/GEMPAK5.7/In
> stall_GEMPAK5.7.html
><DIV></DIV>>(see runtime configuration at the bottom of page)
><DIV></DIV>>
><DIV></DIV>>In a nut shell, copy the $GEMEXE/dcuair program to ~ldm/decoder
> s/dcuair
><DIV></DIV>>(create the ~ldm/decoders directory if it doesn't already exist
> ).
><DIV></DIV>>The dcuair entries for sounding data are found in
><DIV></DIV>>$NAWIPS/ldm/etc/templates/pqact.gempak_decoders.in for your pqa
> ct.conf
><DIV></DIV>>(and running the $NAWIPS/ldm/etc/gen_pqact.csh script will repl
> ace the @GEMTBL@
><DIV></DIV>>string in the sample file with the correct location for $GEMTBL
> on your system).
><DIV></DIV>>
><DIV></DIV>>The other decoders (dc programs) are configured similarly. The
> easiest way is
><DIV></DIV>>to concatenate the generated pqact.conf entries to your existin
> g file,
><DIV></DIV>>or configure your ldmd.conf to exec a separate instance of pqac
> t using
><DIV></DIV>>the GEMPAK decoder entries.
><DIV></DIV>>
><DIV></DIV>>Steve Chiswell
><DIV></DIV>>Unidata User Support
><DIV></DIV>>
><DIV></DIV>>
><DIV></DIV>>
><DIV></DIV>>
><DIV></DIV>>
><DIV></DIV>> >From: "Mynul H. Khan" <address@hidden>
><DIV></DIV>> >Organization: UCAR/Unidata
><DIV></DIV>> >Keywords: 200404141441.i3EEf5CT022301
><DIV></DIV>>
><DIV></DIV>> >Hi,
><DIV></DIV>> >My name is Mynul and I am working for the Metereology dept
> . at SCSU. Alan
><DIV></DIV>> >told me about your previous help and he is very greatful f
> or your work. Now,
><DIV></DIV>> >he is on vacation and I am in charge of maintaining Cyclon
> e and Meteor.
><DIV></DIV>> >Well, I have installed GEMPAK in cyclone few days back. An
> d I was able to
><DIV></DIV>> >configure ldm so GEMPAK programs that are using satellite
> images and Nexrad
><DIV></DIV>> >images are working fine. I think these two kind of images
> were already
><DIV></DIV>> >available in LDM so I did not have to play with LDM. Now t
> here are other
><DIV></DIV>> >type of images that will be needed for different kind of p
> rograms in GEMPAK,
><DIV></DIV>> >for example: sounding data. But these kind of data are not
> available in LDM.
><DIV></DIV>> >I have not worked on LDM before. But by reading document p
> ages, I understand
><DIV></DIV>> >that pqact.conf and ldmd.conf --these two files are in con
> trol of
><DIV></DIV>> >configuration. But I don't understand how these
> two files are configured to
><DIV></DIV>> >have certain kind of data. Specially for now, if you could
> help me to have
><DIV></DIV>> >sounding data available in LDM and so I can run nsharp pro
> gram from GEMPAK
><DIV></DIV>> >that would be great.
><DIV></DIV>> >As always we very much appreciate your help,
><DIV></DIV>> >-Mynul
><DIV></DIV>> >
><DIV></DIV>> >__________________________________________________________
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