[nws-changes] 20100527: GFS based gridded MOS guidance: ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------
882 NOUS41 KWBC 271727 
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 10-27
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 128 PM EDT THU MAY 27 2010 

TO:       SUBSCRIBERS:
         -FAMILY OF SERVICES
         -NOAA WEATHER WIRE SERVICE
         -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
         -NOAAPORT
         -OTHER NWS PARTNERS...USERS AND EMPLOYEES

FROM:     TIM MCCLUNG
         SCIENCE PLANS BRANCH CHIEF
         OFFICE OF SCIENCE AND TECHNOLOGY

SUBJECT:  ADDITION OF GFS-BASED GRIDDED MOS GUIDANCE FOR HAWAII:
         EFFECTIVE SEPTEMBER 28 2010
EFFECTIVE TUESDAY SEPTEMBER 28 2010...THE NWS WILL PRODUCE NEW GLOBAL FORECAST SYSTEM /GFS/ -BASED GRIDDED MOS GUIDANCE FOR HAWAII AND DISSEMINATE IT ON THE SATELLITE BROADCAST NETWORK /SBN/...NOAAPORT...AND THE NWS FTP SERVER. THESE GUIDANCE PRODUCTS WILL BE IN GRIB2 FORMAT. THE NEW COMMUNICATION IDENTIFIERS FOR THESE PRODUCTS ARE SHOWN IN TABLE 1 BELOW. THE GRIDDED MOS PRODUCTS WILL CONTAIN GUIDANCE ON A 2.5 KM MERCATOR GRID COVERING THE SAME EXPANSE AS THE NATIONAL DIGITAL FORECAST DATABASE /NDFD/ HAWAII GRID. GRIDS WILL BE GENERATED FROM THE 0000 AND 1200 UNIVERSAL COORDINATED TIME /UTC/ MODEL RUNS AT PROJECTIONS OF 1 TO 7 DAYS IN ADVANCE. GUIDANCE WILL INITIALLY BE AVAILABLE FOR THE FOLLOWING ELEMENTS WITH OTHERS TO BE ADDED AT A LATER DATE: 

 DAYTIME MAXIMUM AND NIGHTTIME MINIMUM TEMPERATURE
 2-METER TEMPERATURE
 2-METER DEWPOINT TEMPERATURE
 RELATIVE HUMIDITY
 WIND DIRECTION
 WIND SPEED
 WIND GUSTS
 PROBABILITY OF PRECIPITATION /6-H AND 12-H/
A WEB PAGE PROVIDING MORE INFORMATION REGARDING GRID SPECIFICATIONS...GRIB2 ENCODING AND ELEMENTS FOR WHICH GUIDANCE IS AVAILABLE IS REFERENCED BELOW.
THE GRIB2 PRODUCTS WILL BE PROVIDED AS PART OF THE NATIONAL DIGITAL GUIDANCE DATABASE /NDGD/. THEY WILL INITIALLY BE AVAILABLE ON THE NWS FTP SERVER AT /USE LOWERCASE EXCEPT FOR SL...ST...DF...DC...GT...AND AR/:
FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/ST.EXPR/DF.GR2/DC.NDGD /GT.MOSGFS/AR.HAWAII
TABLE 1: COMMUNICATION IDENTIFIERS FOR THE GFS-BASED GRIDDED MOS GRIB2 PRODUCTS FOR HAWAII 

    WMO HEADING         ELEMENT

    LBSXXX KWBQ         WIND DIRECTION
    LCSXXX KWBQ  WIND SPEED
    LDSXXX KWBQ  12-HR PROBABILITY OF PRECIPITATION
    LESXXX KWBQ  2-METER TEMPERATURE
    LFSXXX KWBQ  2-METER DEW POINT TEMPERATURE
    LGSXXX KWBQ  DAYTIME MAXIMUM TEMPERATURE
    LHSXXX KWBQ  NIGHTTIME MINIMUM TEMPERATURE
    LRSXXX KWBQ  RELATIVE HUMIDITY
    LUSXXX KWBQ  6-HR PROBABILITY OF PRECIPITATION
LWSXXX KWBQ WIND GUSTS EACH GRIB2 PRODUCT HAS A UNIQUE WMO HEADER. THE TABLE ABOVE LISTS REPRESENTATIONS OF THE WMO HEADERS. A COMPLETE LIST OF GRIDDED MOS WMO HEADERS IS AVAILABLE AT /USE LOWERCASE/: 

HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/GMOS/GMOSHEADERS.PDF
A WEB PAGE OUTLINING THE GRIDDED MOS GUIDANCE AND THE FTP SERVER STRUCTURE CAN BE FOUND ONLINE AT /USE LOWERCASE/: 

HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/GMOS.PHP
FOR QUESTIONS REGARDING THE NEW GRIDDED MOS GUIDANCE FOR HAWAII PLEASE CONTACT: 

 JOSEPH MALONEY
 MDL/SILVER SPRING MARYLAND
 301-713-0024 EXT 151
JOSEPH.MALONEY@xxxxxxxx LINKS TO THE MOS PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE FOUND AT /USE LOWERCASE/: 

 HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP
NWS NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT /USE LOWERCASE/: 
 HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM
$$ NNNN
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