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NOUS41 KWBC 271434 PNSWSH TECHNICAL IMPLEMENTATION NOTICE 07-49 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 1034 AM EDT FRI JUL 27 2007TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS AND PARTNERS ...NWS EMPLOYEES...NOAAPORT USERS
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: REMOVAL OF NCEP DERIVED MODEL GRIB1 PRODUCTS FROM NCEP
AND NWSTG PUBLIC FTP/HTTP SERVERS AND REPLACEMENT OF
NCEP DERIVED MODEL GRIB1 PRODUCTS WITH GRIB2 PRODUCTS
ON THE NWSTG AND NCEP PUBLIC FTP/HTTP SERVERS:
EFFECTIVE JANUARY 29 2008
EFFECTIVE JANUARY 29 2008 BEGINNING WITH THE 1200 COORDINATED UNIVERSAL TIME /UTC/ RUN...ALL NCEP MODEL GRIB1 PRODUCTS ON THE NWSTG AND NCEP PUBLIC FTP SERVERS WILL BE REMOVED. THEY WILL BE REPLACED WITH GRIB2 PRODUCTS. THE SIGNIFICANT BENEFIT OF THIS CHANGE IS THE SAVINGS OF BANDWIDTH AND DISK SPACE USED FOR BOTH THE GOVERNMENT AND PUBLIC/PRIVATE USERS.
NCEP MODEL DATA AT THE FOLLOWING WEBSITES WILL BE IMPACTED:
NWSTG FTP SERVER: USE /LOWER CASE LETTERS EXCEPT SL...ST/
FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/ST.OPNL
NCEP FTP SERVER: /USE LOWER CASE LETTERS/
FTP://FTPPRD.NCEP.NOAA.GOV/PUB/DATA/NCCF
FTP://FTP.NCEP.NOAA.GOV/PUB/DATA/NCCF
DUPLICATE GRIB2 AND GRIB1 PRODUCTS ARE CURRENTLY AVAILABLE ON
BOTH SERVERS AND WILL CONTINUE TO BE AVAILABLE UNTIL THE
EFFECTIVE CHANGE DATE.
NEW PRODUCTS WILL ONLY BE AVAILABLE IN GRIB2 FORMAT. NCEP HAS MADE AVAILABLE SEVERAL WEBSITES WHICH CAN AID USERS WITH THE TRANSITION TO THE NEW GRIB2 FORMAT. INFORMATION REGARDING PRODUCT EQUIVALENTS FOR GRIB1/GRIB2 FILES ON THE NWSTG AND NCEP SERVERS IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS EXCEPT GRIB1 AND GRIB2/:
HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/DOCS/GRIB1_TO_GRIB2.SHTML INFORMATION REGARDING A UTILITY WHICH CONVERTS GRIB2 PRODUCTS BACK INTO GRIB1 FORMAT CAN BE FOUND ONLINE AT /USE LOWER CASE LETTERS EXCEPT GRIB/:
HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/CODES/GRIB2/ FOR ASSISTANCE USING THE SOFTWARE...PLEASE SEND A TICKET TO THE PMB DATAFLOW HELP DESK AT THE FOLLOWING EMAIL ADDRESS /USE LOWERCASE LETTERS/:
NCEP.PMB.DATAFLOW@xxxxxxxx
NCEP PLANS TO SUPPORT THE GRIB1 TO GRIB2 CONVERSION SOFTWARE FOR
A PERIOD OF 90 DAYS AFTER THE EFFECTIVE DATE. NCEP WILL NO
LONGER SUPPORT THIS SOFTWARE AFTER MAY 1 2008.
IF YOU HAVE ANY QUESTIONS ABOUT THESE CHANGES...PLEASE CONTACT:JOE CARR NCEP CENTRAL OPERATIONS
301 763 8000 X7709 JOE.CARR@xxxxxxxx OR JOHN WARD NCEP CENTRAL OPERATIONS301 763 8000 X7185 JOHN.WARD@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
NNNN
--
Linda Miller - lmiller@xxxxxxxxxxxxxxxx
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000
303-497-8646 fax: 303-497-8690
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