Re: Octet 4 Z Designator

• To: Jordan Gerth <wiscwx@xxxxxxxxx>
• Subject: Re: Octet 4 Z Designator
• From: Robb Kambic <rkambic@xxxxxxxxxxxxxxxx>
• Date: Thu, 30 Jun 2005 12:32:16 -0600 (MDT)

On Wed, 29 Jun 2005, Jordan Gerth wrote:

> Hi Robb,
>
> Thanks for your help. Everything seems to be working well.
>
> It is interesting, however, that there is more than one forecast hour in the
> header octet 4 Z designator (not predefined/refer to GRIB PDS according to
> NCEP) file given the AWIPS Z feed.  If you know of anyway to fix that, let
> me know, otherwise do not worry about it.

you can match on any part of the header. so you can make your matches to
capture or eliminate files. if the pqact entry gets too complicated, then
split it into two entries.  just don't have both entries writing to the
same file.

robb...



>
> Meteorologically,
>
> Jordan Gerth
>
> ----- Original Message -----
> From: "Robb Kambic" <rkambic@xxxxxxxxxxxxxxxxxxxxxxxx>
> To: <wiscwx@xxxxxxxxx>
> Cc: "decoders" <support-decoders@xxxxxxxxxxxxxxxxxxxxxxxx>; "support-ldm"
> <support-ldm@xxxxxxxxxxxxxxxxxxxxxxxx>
> Sent: Monday, June 27, 2005 1:41 PM
> Subject: Re: LDM pqact.conf
>
>
> > On Sun, 26 Jun 2005 wiscwx@xxxxxxxxx wrote:
> >
> > > Robb...
> > >
> > > I read your response and visited the link to the NCEP Header
> > > Explanation.  Looking at your example, is it possible to build in a
> > > check for the forecast hour designator (Header Octet 4 / A2)?  For
> > > example, if I only wanted to pull data after T+60 hours (J), where
> > > would I add ([J-Y]) given AWIPS Y?
> >
> > octets      1 2 3    4   56
> >  HRS     ^[YZ].(.)([J-Y]).. KWB. ([0-3][0-9])([0-2][0-9]).*/m(NGM|RUC)
> >         FILE
> >         data/pub/raw/hrs/model/\5/\1/\2/(\3:yyyy)(\3:mm)\3\4_\5.wmo
> >
> > product:
> >
> > YEQJXX KWBE 2412
> >
> > data/pub/raw/hrs/model/RUC/Q/J/200506272412_RUC.wmo
> >
> >
> > the ^ means start of product, so Octet 4 / A2 would be J in the above
> > product.  the above is just an example, you can name the products anyway
> > you want.
> >
> > robb...
> >
> > >
> > > This may require breaking it up into AWIPS Y and Z in the pqact.conf
> > > file, I believe.
> > >
> > > Thank you for guiding me in the right direction.
> > >
> > > ...Jordan
> > >
> >

==============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
rkambic@xxxxxxxxxxxxxxxx                   WWW: http://www.unidata.ucar.edu/
==============================================================================