Subject: Changes to the NWS Production Suite
1. The transition to the next Central Computer System is expected to begin in
August 2006. A moratorium on changes to the NCEP Production Suite will begin in
August and conclude when the new system becomes operational in January 2007. The
Snow system is scheduled for shutdown on Thursday, 15 June. The temporary
replacement (Aqua) for Frost and Snow was delivered on 15 May and is scheduled to be
on line on Thursday, 1 June. Aqua will be the same Power5+ architecture as the CCS
replacement systems. Although users will have access to Aqua on or about 1 June,
there may be periods during the first few weeks when the system is unavailable due
to testing and tuning of the operating system.
More details on the transition schedule will be provided as they
become available.
2. The replacement of the NAM-Eta with the NAM-WRF is tentatively
scheduled for Tuesday, 13 June. Parallel data sets for the new NAM/WRF are
available at:
ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/nam/para/
3. As soon as the moratorium on changes at the NWS Telecommunications Operations
Center (TOC) is lifted, NCEP will begin the transition from GRIB1 to GRIB2, by
placing duplicate GRIB2 files on the TOC FTP server. Both sets of data will remain
on the TOC FTP server for a minimum of 180 days to allow users to transition to the
GRIB2 data sets. More information will be provided once the TOC moratorium has
ended.
4. Upcoming changes to NCEP's production suite can be viewed at the following
website:
http://www.nco.ncep.noaa.gov/pmb/changes/
This WEB site contain details on any product or timing changes that are associated
with upcoming implementations.
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