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19991229: AVN 12z runs not decoded p (cont.)



>From: MUG <address@hidden>
>Organization: SSEC
>Keywords: 199912302127.OAA05391 McIDAS-XCD GRIBDEC

Becky,

>I got the attached response from Chad about the missing AVN data.  Because of 
>the file system filling up, he's having a hard time tracking down the problem 
>on our end.  

OK, I understand.

>It sounds like the "thinned grids" in Robert's GEMPAK directory are working 
>correctly.

Right.

>Do you know if he gets those grids from the NOAAPORT feed, or 
>from some other source?

He is getting them from the Unidata IDD.  You will recall that the origin
of the data in the IDD is a McIDAS NOAAPORT box.

>We're just trying to figure out if this is a 
>NOAAPORT problem or if it is a problem with -XCD.

Hmm...  Since GEMPAK got the same grids and decoded them correctly, it
struck me that the problem must lie somewhere in the XCD decoders.  This
is why I passed the message along to you guys in the first place.

>More AVN grids are 
>included in the 12Z AVN run today, so hopefully it was just a problem with 
>NOAAPORT.

I hope so as well.

>I've put this into inquiry #10597 and closed the inquiry as an anomoly.  If 
>we find that it is an -XCD problem, then I'll re-open the inquiry.

OK.

Have a great New Year's eve!!

>Becky
>------------------------------------------------------------------------------
>FORWARDED FROM: MUG
>Return-Path: <address@hidden>
>Date: Thu, 30 Dec 1999 12:54:59 -0600
>From: "Chad W. Johnson" <address@hidden>
>To: MUG <address@hidden>
>CC: address@hidden, address@hidden
>Subject: Re: 19991229: AVN 12z runs not decoded prope
>References: <address@hidden>
>Hi,
>
>Don't know if I have an answer, but here is some information.
>
>Beginning with McIDAS-XCD 7.6, the AVN grids are now filed _as_ AVN. ie.
>the SRC name is AVN. Previously, all the AVN and the MRF models were
>filed as MRF. Also, in 7.6, a default location for AVN grids was added
>to RTMODELS.CFG beginning in grid 5401. This may or may not be the
>culprit. Probably not.
>
>Here are the number of AVN 12 UTC grids we received and decoded at SSEC
>for today and yesterday.
>
>Day     projection      # grids
>---     ----------      -------
>99364   MERC            564
>99364   All pro's       4773
>
>99363   MERC            276
>99363   all pro's       3220
>
>It looks like yesterday we decoded around half the number of MERC grids
>than today. Unfortunately the filesystem I use to file the raw GRIB
>messages filled up and I can't get a count of how many grids were
>actually received.
>
>I can say that we are missing the 30, 36, 42, and 48 forecast hour MERC
>grids from yesterdays 12 UTC run. This alone would certainly account for
>difference in grids filed. At this moment I can't explain why.
>
>-Chad
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