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TECHNICAL IMPLEMENTATION NOTICE 04-53...UPDATED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 
215 PM EST FRI JANUARY 7 2005

TO:       FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER 
          WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS 
          WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS... 
          NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE
          /NWS/ CUSTOMERS AND PARTNERS...NWS EMPLOYEES 

FROM:     PAUL HIRSCHBERG
          CHIEF...SCIENCE PLANS BRANCH 
          OFFICE OF SCIENCE AND TECHNOLOGY /OST/ 

SUBJECT:  UPDATED: ADDITION OF NEW SHORT-RANGE GFS-BASED MOS BUFR 
          PRODUCTS...EFFECTIVE FEBRUARY 8 2005

NOTE:     UPDATED TO REFINE EFFECTIVE DATE FROM LATE JANUARY  
          2005 TO FEBRUARY 8 2005.

NOTE:     THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
          WIRE SUBSCRIBERS 

ATTENTION USERS OF THE MODEL OUTPUT STATISTICS /MOS/ GUIDANCE:

ON TUESDAY... FEBRUARY 8 2005... NWS WILL PRODUCE NEW GFS-BASED 
BUFR PRODUCTS CONTAINING MOS GUIDANCE FOR 6 TO 84 HOURS FROM THE 
0000... 0600... 1200... AND 1800 UNIVERSAL COORDINATED TIME /UTC/ 
MODEL RUNS.  THESE NEW BUFR PRODUCTS WILL CONTAIN ADDITIONAL 
STATIONS AND AN ENHANCED SET OF ELEMENTS... INCLUDING REDEFINED 
CATEGORIES FOR CEILING HEIGHT... SKY COVER... AND VISIBILITY 
GUIDANCE. 

THE NEW COMMUNICATION IDENTIFIERS FOR THESE PRODUCTS ARE SHOWN IN 
TABLE 1.  THE PRODUCTS WILL BE AVAILABLE FROM THE NWS 
TELECOMMUNICATIONS GATEWAY... THE NWS FILE TRANSFER PROTOCOL 
/FTP/ SERVER /TGFTP/...AND THE METEOROLOGICAL DEVELOPMENT LAB 
/MDL/ WEBPAGES. REFERENCED BELOW IS A WEBPAGE PROVIDING MORE 
INFORMATION ON PROJECTIONS AND ELEMENTS FOR WHICH GUIDANCE IS 
AVAILABLE.  THESE PRODUCTS EVENTUALLY WILL REPLACE EXISTING GFS-
BASED MOS BUFR PRODUCTS. NWS WILL PROVIDE AN OVERLAP OF AT LEAST 
NINE MONTHS TO ALLOW TIME TO TRANSITION TO THE NEW PRODUCTS. 
NOTIFICATION WILL BE SENT BEFORE OLD PRODUCTS ARE REMOVED.

TABLE 1: COMMUNICATION IDENTIFIERS FOR THE SHORT-RANGE GFS-BASED 
MOS BUFR PRODUCTS.

     WMO HEADING         REGION

     JSML30 KWNO         PACIFIC REGION
     JSML31 KWNO         NORTHEAST CONUS
     JSML32 KWNO         SOUTHEAST CONUS
     JSML33 KWNO         NORTH CENTRAL CONUS
     JSML34 KWNO         SOUTH CENTRAL CONUS
     JSML35 KWNO         ROCKY MOUNTAIN CONUS
     JSML36 KWNO         WEST COAST CONUS
     JSML37 KWNO         ALASKA

A WEBPAGE OUTLINING THE ELEMENTS AND PROJECTIONS AVAILABLE IN THE 
GFS-BASED BUFR PRODUCTS ALONG WITH THE ASSOCIATED BUFR TABLE B 
CAN BE FOUND ONLINE AT /USE LOWER CASE LETTERS/:

  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/BUFR.HTML

A LIST OF ALL SITES IN THE BUFR PRODUCTS AND A MAP OF THE REGIONS 
CAN BE FOUND ONLINE AT /USE LOWER CASE LETTERS/:

  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/STADRG.HTML

IF YOU HAVE ANY QUESTIONS ABOUT THESE CHANGES TO THE MOS GUIDANCE
SYSTEM... PLEASE CONTACT:

PAUL DALLAVALLE 
MDL/SILVER SPRING MARYLAND 
PHONE:  301 713 0023 EXT. 135 
E-MAIL: PAUL.DALLAVALLE@NOAA.GOV 

LINKS TO THE MOS PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE 
FOUND AT /USE LOWER CASE LETTERS/:

  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/PRODUCTS.SHTML

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE 
ON THE INTERNET AT /USE LOWER CASE LETTERS/

  HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$ 
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