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-------- Original Message --------FROM: John H. Ward Chief, Production Management Branch
SUBJECT: Changes to the NWS Production Suite1. GRIB1 to GRIB2 migration - NCEP is providing new data sets to the NWS (tgftp.nws.noaa.gov) and NCEP (ftp.ncep.noaa.gov) servers in GRIB2 format only. GRIB1 legacy products will continue to be populated on the servers until 28 January 2008. An official NWS Technical Implementation Notice (TIN) will be disseminated in July 2007 announcing that all GRIB1 formatted products will be discontinued on the servers in January 2008. It is imperative that users of GRIB1 data begin migrating over to GRIB2 format. NCEP provides software to convert GRIB2 formatted data back into GRIB1. Please use the link below to obtain the software utility to convert formats: http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2/ The GRIB conversion codes will remain on this site for as long as NCEP has an operational requirement for these codes. At some point, most likely during the transition of operations to a new Central Computer System, if there is no longer an operational needs for these codes they will not be transitioned and will no longer be available. The next CCS upgrade is scheduled for 2009. In addition, NCO will only be able to provide support for the conversion codes for a period of 3 to 6 months after January 2008. After that time the codes will be provided on a non support basis. Information regarding product equivalents for GRIB1 and GRIB2 on the NWS FTP TOC servers (tgdata.nws.noaa.gov and tgftp.nws.noaa.gov) and NCEP ftp server (ftp.ncep.noaa.gov) can be found via the link below: http://www.nco.ncep.noaa.gov/pmb/docs/GRIB1_to_GRIB2.shtml Please direct all questions concerning the software codes to the following NCO PMB Dataflow Helpdesk: NCEP.PMB.Dataflow@xxxxxxxx 2. Upcoming major changes to NCEP's production suite and details on any product or timing changes associated with upcoming implementations can be viewed at the following website: http://www.nco.ncep.noaa.gov/pmb/changes/ Test data for each of these proposed changes should be available six weeks prior to implementation. Anyone wishing to receive formal notice of the final pre-implementation testing and the opportunity to provide feedback on the proposed changes can subscribe to the Model Evaluation mailing list via: https://lstsrv.ncep.noaa.gov/mailman/listinfo/ncep.list.modelevalinfo
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