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-------- Original Message --------504 NOUS41 KWBC 101955
PNSWSH TECHNICAL IMPLEMENTATION NOTICE 08-04 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 255 PM EST THU JAN 10 2008 TO: SUBSCRIBERS:-FAMILY OF SERVICES -NOAA WEATHER WIRE SERVICE -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK OTHER NWS PARTNERS, USERS AND NWS EMPLOYEES
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: NOAA WAVE WATCH III MODEL GLOBAL GRIB OUTPUT
MODIFICATION: EFFECTIVE FEBRUARY 19 2008
EFFECTIVE TUESDAY FEBRUARY 19 2008...WITH THE 1200 COORDINATED UNIVERSAL TIME /UTC/ RUN...THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/ WILL MODIFY THE GLOBAL OUTPUT GRIB2 FILE FROM THE NOAA WAVE WATCH III /NWW3/ MODEL.
SCIENTIFIC/TECHNICAL CHANGES:THE DOMAIN OF THE GRID IS BEING EXTENDED FROM 78 N TO 90 N. FOR NOW THE DATA IN THE ADDITIONAL GRID POINTS WILL BE MARKED AS UNDEFINED. THE GRID POINTS WILL BE POPULATED WITH DATA AT A LATER NWW3 UPGRADE.
DATAFLOW CHANGES:THE GRIB2 FILE WHICH WILL BE DIRECTLY IMPACTED RESIDES ON THE NCEP FTP SERVER AT THE LINK BELOW /USE ALL LOWER CASE LETTERS/. FTP://FTPPRD.NCEP.NOAA.GOV/PUB/DATA/NCCF/COM/WAVE/PROD/
WAVE.YYYYMMDD/MULTI_1.GLO_30M.TCCZ.GRIB2NOAAPORT CUSTOMERS DO NOT CURRENTLY RECEIVE THIS DATA SET HENCE NO IMPACT IS EXPECTED TO DATA RECEIVED BY NOAAPORT CUSTOMERS.
NCEP ENCOURAGES ALL USERS TO ENSURE THEIR DECODERS ARE FLEXIBLE AND ARE ABLE TO ADEQUATELY HANDLE CHANGES IN CONTENT ORDER ...PARAMETER FIELDS CHANGING ORDER...CHANGES IN THE SCALING FACTOR COMPONENT WITHIN THE PDS OF THE GRIB FILES AND ALSO ANY VOLUME CHANGES WHICH MAY BE FORTHCOMING. THESE ELEMENTS MAY CHANGE WITH FUTURE NCEP MODEL IMPLEMENTATIONS. NCEP WILL MAKE EVERY ATTEMPT TO ALERT USERS TO THESE CHANGES BEFORE IMPLEMENTATION.
PARALLEL DATA SETS ARE AVAILABLE ON THE NCEP FTP SERVER AT THE LINK BELOW. NCEP ENCOURAGES ALL USERS TO EVALUATE THESE DATA SETS TO ENSURE THAT THEIR SYSTEMS ARE PREPARED FOR THE UPCOMING CHANGE. /PLEASE USE LOWERCASE LETTERS/
FTP://FTPPRD.NCEP.NOAA.GOV/PUB/DATA/NCCF/COM/WAVE/PARA
THE ENVIRONMENTAL MODELING CENTER /EMC/ HAS A PUBLICLY AVAILABLE
WEB SITE WHICH CAN PROVIDE USERS MORE INFORMATION CONCERNING ALL
NCEP MODELING SYSTEMS. /PLEASE USE LOWERCASE LETTERS/
HTTP://WWW.EMC.NCEP.NOAA.GOV
SPECIFIC INFORMATION REGARDING THE NEW WAVE MODEL IMPLEMENTATION
CAN BE FOUND AT THE LINK BELOW: /PLEASE USE LOWERCASE LETTERS/
HTTP://POLAR.NCEP.NOAA.GOV/WAVES/
FOR QUESTIONS CONCERNING THE SCIENTIFIC CHANGES WITHIN THE
MODELING SYSTEM...PLEASE CONTACT:
HENDRIK TOLMAN
NCEP/EMC...CHIEF MARINE MODELING BRANCH
CAMP SPRINGS MARYLAND
PHONE: 301 763 8000 X7253
EMAIL: HENDRIK.TOLMAN@xxxxxxxx
IF YOU HAVE ANY QUESTIONS CONCERNING THE DATAFLOW ASPECTS OF THIS
IMPLEMENTATION...EMAIL THE NCEP/NCO/PMB DATAFLOW HELPDESK:
NCEP.PMB.DATAFLOW@xxxxxxxx
NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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