Service Change Notice

NOUS41 KWBC 221949
PNSWSH

SERVICE CHANGE NOTICE 07-03
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
250 PM EST THU FEB 22 2007

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

FROM:    THERESE Z. PIERCE
         CHIEF...MARINE AND COASTAL SERVICES BRANCH

SUBJECT:   CHANGES TO THE TROPICAL CYCLONE GUIDANCE MESSAGE 
           /WHXX01/: EFFECTIVE MAY 15 2007

EFFECTIVE MAY 15 2007...THE WHXX01 MESSAGE ISSUED BY THE TROPICAL 
PREDICTION CENTER/NATIONAL HURRICANE CENTER /TPC/NHC/ AND THE 
CENTRAL PACIFIC HURRICANE CENTER /CPHC/ WILL HAVE THE FOLLOWING 
CHANGES.  

1.  THE ISSUING OFFICE AND DATE/TIME LINE WILL BE ADDED TO THE 
MASS NEWS DISSEMINATOR HEADER BLOCK.

FOR THE ATLANTIC AND EAST PACIFIC BASINS THE MASS NEWS 
DISSEMINATOR HEADER BLOCK WILL BE:

TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1444 UTC WED JAN 10 2007

FOR THE CENTRAL PACIFIC BASIN THE MASS NEWS DISSEMINATOR HEADER 
BLOCK WILL BE:

TROPICAL CYCLONE GUIDANCE MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1444 UTC WED JAN 10 2007

2.  THE SHALLOW BETA ADVECTION MODEL /BAMS/ WILL BE ADDED.

3.  THE STATISTICAL TRACK MODELS /A98E/ AND /P91E/ WILL BE 
DISCONTINUED.

4.  THE PRODUCT WILL BE LEFT JUSTIFIED.

THE FOLLOWING PRODUCTS ARE AFFECTED BY THESE CHANGES:

HURRICANE BASIN         AWIPS ID    WMO HEADING
ATLANTIC                CHGHUR      WHXX01 KWBC
EASTERN PACIFIC         CHGE77      WHXX01 KMIA
CENTRAL PACIFIC

AN EXAMPLE OF THE REVISED MESSAGE FORMAT AND CONTENTS CAN BE 
FOUND ONLINE AT /USE LOWER CASE LETTERS/:

HTTP://WWW.NHC.NOAA.GOV/WHXX01_SAMPLE_2007.SHTML

THERE ARE NO CHANGES TO THE AWIPS IDENTIFIERS...WMO PRODUCT 
HEADINGS OR PRODUCT ISSUANCE TIMES.   

IF YOU HAVE QUESTIONS...PLEASE CONTACT:

    SCOTT KISER
    NATIONAL WEATHER SERVICE
    MARINE AND COASTAL SERVICES BRANCH
    1325 EAST WEST HWY
    SILVER SPRING MARYLAND 20910
    PHONE:  301-713-1677 EXTENSION 121

THIS NOTICE AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND
ONLINE /USE LOWER CASE LETTERS/:

    HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM

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Service Change Notice

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