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Subject: Changes to the NWS Production Suite1. 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 tentativelyscheduled 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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