Neil-
If you are using the Unidata IDD headers, you can use a pattern as simple
as:
NGRID <tab>!grib2/ncep/GFS/#212/............F0[0-4][0-9]
otherwise, the WMO headers can be used as I mentioned below.
Chiz
From: Steven Chiswell/SRNL/Srs
To: Neil Smith <neils@xxxxxxxx>
Cc: gembud@xxxxxxxxxxxxxxxx, gembud-bounces@xxxxxxxxxxxxxxxx
Date: 08/31/2010 12:22 PM
Subject: Re: [gembud] ingest only some of a model?
Neil,
Its pretty easy to pipe just the 0-48 hour forecast fields using the WMO
header in your pqact.
See the NCEP documentation here:
www.nco.ncep.noaa.gov/pmb/docs/on388/appendixa.html
Use KWBC for the GFS, AWIPS grid designator "R" is the 40km 212 grid. The
grib2 grids start with L or M
as shown in the TTAAii CCCC order for a WMO header as given in that
appendix above.
6 hourly output would be
^L.R[A-I].. KWBC
To allow for three hour in between "M" designator times could look like
^(L.R[A-I]|M.R[BEHKLOPQ]).. KWBC
Chiz
From: Neil Smith <neils@xxxxxxxx>
To: gembud@xxxxxxxxxxxxxxxx
Date: 08/31/2010 12:08 PM
Subject: [gembud] ingest only some of a model?
Sent by: gembud-bounces@xxxxxxxxxxxxxxxx
Is there a way to decode only some of a model forecast period?
I'd like to get the forecast output of the gfs 40 km but just out to
forecast hour 048.
If that is possible, how is it done?
TIA,
-Neil
---
Neil Smith neils@xxxxxxxx
Comp. Sys. Mngr., Atmospheric Sciences
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