[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

20050328: 20050328: 218 grids

Art,

Yes, the NWS removed the GRIB1 on March 22:

http://www.nws.noaa.gov/dm-cgi-bin/chgshow.pl?fn=DM01-05.09.txt

That date was posted brefore the DVB-S operational date was pushed back,
but apparently didn't change with that.

Your option for ETA 218 via IDD at this time is the NGRID which
is that from the NOAAPORT NWSTG2 channel. 

The CONDUIT feed probbaly can't handle the 218 at this point, 
since users were really pushed when the GFS .5 degree grids were added,
and we need to make sure that isn't degraded as well.

Steve Chiswell
Unidata User SUpport



>From: "Arthur A. Person" <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200503282107.j2SL7Yv2020290

>Steve,
>
>On Mon, 28 Mar 2005, Unidata Support wrote:
>
>> Art,
>>
>> The CONDUIT stream does not provide ETA #218. It does provide
>> surface #215 as awip20, eta #212 as awip3d, eta #216 as awipak
>> and eta #104 as grbgrd file names.
>
>Hmmm, then maybe it was on HDS.  I don't really know what feed it came on 
>(I assumed it was CONDUIT) but we were getting it routinely until March 23 
>12Z but haven't seen any since.  It was feeding through the dcgrib2 
>decoder and getting filed automatically in the eta12km subdirectory out to 
>84 hours.  I wasn't saving the raw grib so I don't know what the headers 
>would have been. I have just a few decoded files left if you would like to 
>see them.  Maybe the NWS had it on HDS informally and pulled it in 
>preparation for the coming transitions...?
>
>> There are two sources of eta218 in the IDD, The HDS contains a
>> set of surface/boundary layer grids in GRIB1 which have been
>> in NOAAPORT, but are going to be removed by NWS. A much larger set of
>> eta218 grids is provided in the NWSTG2 channel of NOAAPORT which
>> is being used to create the NGRID feed. This data is GRIB2, and is
>> part of the new DVB-S broadcast, so will be part of the IDD feeds.
>> The NWS is supposed to go operational with the DVB-S fully on April 1.
>> The GRIB1 grids will be reomved as duplicating information of the larger GRI
> B2
>> set in mid April.
>
>So, in light of all this, where should I feed the ETA 218 grids from?
>
>
>                                    Thanks.
>
>                                      Art.
>
>
>> I don't know the source of the the grids you were questioning
>> as CONDUIT. Can you provide details on the file names?
>>
>> Steve Chiswell
>> Unidata User Support
>>
>>> From: "Arthur A. Person" <address@hidden>
>>> Organization: UCAR/Unidata
>>> Keywords: 200503281924.j2SJOvv2006573
>>
>>> Hi...
>>>
>>> We've noticed since about March 23 that the ETA 218 grids no longer appear
>>> on the CONDUIT feed.  We've also noted that they do appear on the
>>> experimental NGRID feed which we've been monitoring from
>>> idd.unidata.ucar.edu for a couple of weeks.  My question is, were the 218
>>> grids removed from CONDUIT intentionally or was that an oversight, and if
>>> intentional, are they going to be left on the NGRID feed and can we use
>>> that as a permanent way to receive them?  Also, is there any reason not to
>>> feed NGRID data through the dcgrib2 decoder along with the other CONDUIT
>>> data?
>>>
>>>                                       Art.
>>>
>>> Arthur A. Person
>>> Research Assistant, System Administrator
>>> Penn State Department of Meteorology
>>> email:  address@hidden, phone:  814-863-1563
>>>
>> --
>> ****************************************************************************
>> Unidata User Support                                    UCAR Unidata Program
>> (303)497-8643                                                  P.O. Box 3000
>> address@hidden                                   Boulder, CO 80307
>> ----------------------------------------------------------------------------
>> Unidata WWW Service              http://my.unidata.ucar.edu/content/support 
>> ----------------------------------------------------------------------------
>> NOTE: All email exchanges with Unidata User Support are recorded in the
>> Unidata inquiry tracking system and then made publicly available
>> through the web.  If you do not want to have your interactions made
>> available in this way, you must let us know in each email you send to us.
>>
>
>Arthur A. Person
>Research Assistant, System Administrator
>Penn State Department of Meteorology
>email:  address@hidden, phone:  814-863-1563
>
--
NOTE: All email exchanges with Unidata User Support are recorded in the
Unidata inquiry tracking system and then made publicly available
through the web.  If you do not want to have your interactions made
available in this way, you must let us know in each email you send to us.