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Re: 20030610: top level IDD relays needed for NEXRAD Level II data
- Subject: Re: 20030610: top level IDD relays needed for NEXRAD Level II data
- Date: Tue, 10 Jun 2003 19:28:47 -0500
UIUC is already feeding CRAFT data via downpour.atmos.uiuc.edu. We can add
downstream hosts as necessary.
----- Original Message -----
From: "Unidata Support" <address@hidden>
To: "Harry Edmon" <address@hidden>; "Mike Voss"
<address@hidden>; "W James Steenburgh" <address@hidden>;
"Kelvin Droegemeier" <address@hidden>; "Clint Rowe" <address@hidden>;
"Gerry Creager" <address@hidden>; "Daryl Herzmann"
<address@hidden>; "Pete Pokrandt" <address@hidden>; "David
Wojtowicz" <address@hidden>; "Arthur A. Person"
<address@hidden>; "Jim Koermer" <address@hidden>
Cc: <address@hidden>; <address@hidden>;
<address@hidden>
Sent: Tuesday, June 10, 2003 6:58 PM
Subject: 20030610: top level IDD relays needed for NEXRAD Level II data
> >From: Unidata User Support <address@hidden>
> >Organization: Unidata Program Center/UCAR
> >Keywords: IDD NEXRAD Level II CRAFT
>
> Hi,
>
> As you may know, the NWS will soon begin collecting and distributing
> NEXRAD Level II using the Unidata LDM-6. The NWS effort is the
> outgrowth of the CRAFT experiment that has and continues to be run by
> the University of Oklahoma (Droegemeier, et. al.).
>
> Part of the agreement between the NWS and the UPC allows for the
> redistribution of all of the Level II data to interested universities,
> but this distribution will need to be done by the UPC and cooperating
> universities through the IDD.
>
> Currently, the Level II volume scan data for between 55 to 61 NEXRADs
> is available through the CRAFT IDD feed. Time series plots of the
> data volume for this feed can be seen in the CRAFT link located in the
> real time statistics page for thelma.ucar.edu:
>
>
http://www.unidata.ucar.edu/staff/chiz/rtstats/siteindex.shtml?thelma.ucar.edu
>
> As you will see when you visit the above web page, the volume of data
> currently peaks at around 140 MB per hour. When the full complement of
> NEXRAD Level II data is incorporated into the NWS stream (which we will
> still refer to as CRAFT for IDD purposes), the total volume will climb
> to at least two to four times what is currently available. Moreover,
> the data volume will likely increase by an additional factor of four to
> eight in the future. For comparison, the full CONDUIT IDD stream peaks
> at between 1.8 and 2.0 GB per hour.
>
> Since most of you have expressed an interest in the Level II data, and
> since a number of you have indicated some level of interest in playing
> an active role in relaying some or all of the data, we are soliciting
> your help in establishing top level nodes for the NEXRAD Level II
> redistribution.
>
> Are you willing to help? Please let us know!
>
> Thanks in advance...
>
> Tom Yoksas
>
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