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RE: new GFS grid in GRIB2 format



Robert,

Not globally, since a separate pqact.conf entry means a separate
process being created- and some model data comes in interspersed
on several projections at the same time- so it is possible that
you would have many instances of decoders running. This
is a trade off between the number of processes you want running and 
the complexity in maintaining separate entries for every different
model/grid being processed. 

The most recent releases of LDM have now increased the number of streams
that pqact can have open (it used to be limited to 32, so every new PIPE
and FILE action was potentially closing another one to be reaped-
so using fewer decoders at the same time was a big benefit). Now, the 
limit is determined by the system defined limit (see output of 
"getconf OPEN_MAX") so seperate lines are not a bad option for
maximizing the pqact throughput.

Steve Chiswell
Unidata User Support



On Tue, 2005-05-03 at 13:58, Robert Mullenax wrote:
>  Thanks.  BTW, do you officially recommend use of separate pqact entries
> instead of gribkey.tbl?
> 
> 
> 
> -----Original Message-----
> From: Steve Chiswell
> To: Robert Mullenax
> Cc: 'address@hidden'; 'address@hidden'; GEMPAK support
> Sent: 5/3/2005 2:42 PM
> Subject: Re: new GFS grid in GRIB2 format
> 
> Robert,
> 
> The default pqact.gempak_decoders table I provided in 5.8.1 has specific
> entries for NAM, DGEX and NDFD GRIB2 products, but does not
> have a catchall ^[LM] pattern for everything else, so
> an entry will have to be added for the GFS. There will regional
> grids for CONUS, HI, AK, PR.
> 
> Steve Chiswell
> Unidata User Support
> 
> 
> On Tue, 2005-05-03 at 13:13, Robert Mullenax wrote:
> > NWS is adding dome GFS GRIB2 data to NOAAPort (see below).  Does
> anyone know
> > if the GEMPAK5.8.1 suggested pqact entries (or gribkey.tbl) are set up
> to
> > handle them?
> > 
> > Thanks,
> > Robert Mullenax
> > 
> > 
> > 
> > 
> > 
> > Subject: Re: DM MESSAGE 04-05.03 Add a Full Set of CONUS GFS 212 GRIB2
> > Grids to SBN/NOAAPORT
> > 
> > 
> > 
> >  wrote:
> > 
> > > The message included below was sent earlier on our communications
> > > lines. It is also posted to the NWS Data Management Change Notices
> web
> > 
> > > page at the following URL.
> > >
> > > http://weather.gov/datamgmt/notices.shtml
> > >
> > > 2005/04/19 Testing
> > > DM 04-05.03 Add a Full Set of CONUS GFS 212 GRIB2 Grids to
> > SBN/NOAAPORT
> > >
> > > NOXX10 KWBC 191940
> > > DATA MGT MESSAGE 04-05.03
> > >
> > > TO AWIPS/NOAAPORT USERS.. FAMILY OF SERVICES/FOS/SUBSCRIBERS...
> > > EMERGENCY MANAGERS WEATHER INFORMATION NETWORK /EMWIN/
> > > NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS... WAFS USERS...
> > > GTS USERS... NWS FAX CHART USERS
> > >
> > > FROM RTH WASHINGTON DATA MANAGEMENT
> > >
> > > AWIPS CHANGE NOTICE NO AC768
> > > TESTING DATE APRIL 19 2005
> > >
> > > [AC768] ONCE THE EFFECTOVE DATE IS DETERMINED THE FOLLOWING CONUS
> > > GLOBAL FORECAST SYSTEM [GFS] GRIB2 GRIDED PRODUCTS WILL BE ADDED TO
> > > THE AWIPS/NOAAPORT DATASTREAM FOR TESTING. THE PRODUCT WILL BE MADE
> > > AVAILABLE FOR TESTING ON APRIL 19 2005.
> > >
> > > DAVE MILLER 301-713-1570 EXTENSION 142 IS THE COGNIZANT TECHNICAL
> > > INDIVIDUAL. HENRY ROBINSON [301] 713-1373 EXTENSION 173 IS THE DRG
> > > FOCAL POINT FOR THIS ITEM.
> > >
> > > THE FOLLOWING PRODUCTS WILL BE ADDED TO THE AWIPS/NOAAPORT
> DATASTREAM:
> > >
> > > THE T1A2 COMBINATION SPECIFIES THE FORECAST TIME [RANGING FROM 00 TO
> > > 240 HOURS]
> > > IF T1= L THEN FOR A2 A=00 B=06 C=12 D=18 E=24 F=30 G=36 H=42 I=48
> J=60
> > 
> > > K=72 L=84 M=96 N=108 O=120 P=132 Q=144 R=156 S=168 T=180 U=192 V=204
> > > W=216 X=228 AND Z=240 HOURS.
> > > IF T1= M THEN FOR A2 M=54 N=66 T=78 U=90 V=102 W=114 AND Z=126 138
> 150
> > 
> > > 162 174 186 198 210 222 OR 234 HOURS.
> > >
> > > A1 = R FOR NCEP GRID 212
> > >
> > > T2 SPECIFIES THE PARAMETER AS FOLLOWS:
> > > H - HEIGHT
> > > T - TEMPERATURE
> > > R - RELATIVE HUMIDITY
> > > U - U COMPONENT OF WIND
> > > V - V COMPONENT OF WIND
> > > P - PRESSURE
> > > W - CAPE
> > > Y - CIN
> > > X - SURFACE LI
> > > Q - BEST LI
> > > F - PRECIPITABLE WATER
> > > E - TOTAL PRECIPITATION
> > > G - CONVECTIVE PRECIPITATION
> > > S - WATER EQUIVALENT ACCUMULATED SNOW DEPTH [WEASD]
> > > M - CATEGORICAL PRECIPITATION TYPES
> > > B - VERTICAL SPEED SHEAR
> > > O - VERTICAL VELOCITY
> > > C - ABSOLUTE VORTICITY
> > >
> > > II SPECIFIES THE LEVEL AS FOLLOWS:
> > > II LEVEL
> > > 99 - 1000 MB
> > > 98 - AIR PROPERTIES AT SURFACE OF EARTH SURFACE LI CAPE CIN
> > > 97 - LEVEL OF THE TROPOPAUSE OR PVU SURFACE
> > > 96 - LEVEL OF THE MAXIMUM WIND
> > > 95 - 950 MB
> > > 94 - LEVEL OF THE 0 DEG. C ISOTHERM
> > > 93 - 975 MB
> > > 92 - 925 MB
> > > 91 - 875 MB
> > > 90 - 900 MB
> > > 89 - ANY PARAMETER REDUCED TO SEA LEVEL
> > > 87 - 875 MB
> > > 86 - ALL BOUNDARY LAYER PRODUCTS BL CAPE + CIN
> > > 85 - 850 MB
> > > 82 - 825 MB
> > > 80 - 800 MB
> > > 77 - 775 MB
> > > 75 - 750 MB
> > > 73 - CLOUD BOTTOM LEVEL [HIGH MEDIUM OR LOW]
> > > 72 - 725 MB
> > > 70 - 700 MB
> > > 67 - 675 MB
> > > 65 - 650 MB
> > > 62 - 625 MB
> > > 60 - 600 MB
> > > 57 - 575 MB
> > > 55 - 550 MB
> > > 52 - 525 MB
> > > 50 - 500 MB
> > > 45 - 450 MB
> > > 40 - 400 MB
> > > 35 - 350 MB
> > > 30 - 300 MB
> > > 25 - 250 MB
> > > 20 - 200 MB
> > > 15 - 150 MB
> > > 10 - 100 MB
> > > 00 - ENTIRE ATMOSPHERE [PWAT]
> > >
> > > FOR FOS/NOAAPORT AND NON-AWIPS CUSTOMERS - IF YOU HAVE ANY
> > > QUESTIONS REGARDING ROUTING OR WOULD LIKE TO ADD THESE
> > > PRODUCTS TO YOUR DATASTREAM PLEASE CONTACT.
> > >
> > > Data Management
> > > EMail address@hidden
> > >
> > > THIS INFORMATION IS ALSO POSTED ON THE NWS DATA MANAGEMENT CHANGE
> > >
> > > NOTICES WEB PAGE. THE URL IS LISTED BELOW.
> > >
> > > http://weather.gov/datamgmt/index.html
> > >
> > > DATA MANAGEMENT
> > > TELECOMMUNICATION OPERATIONS CENTER
> > > RTH WASHINGTON SENDS
> > >
> > >
> > 
> > -- 
> > For assistance use the following online trouble ticketing reporting
> > system
> > http://help.nws.noaa.gov/cgi-bin/doit.cgi?201~-506,,,,1:467:1