20041015: changes to WAFC

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NOUS41 KWBC 151502
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 04-55
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1110 AM EDT FRI OCT 15 2004

TO:             NATIONAL WEATHER SERVICE /NWS/ OFFICES
                FEDERAL AVIATION ADMINISTRATION CUSTOMERS
                FAMILY OF SERVICES SUBSCRIBERS
                OTHER CUSTOMERS OF NWS AVIATION FORECASTS

FROM:           KEVIN L. JOHNSTON
                ACTING CHIEF...AVIATION SERVICES
                NATIONAL WEATHER SERVICE
                OFFICE OF CLIMATE WATER AND WEATHER SERVICES

SUBJECT:        CHANGES TO WORLD AREA FORECAST CENTER /WAFC/
                WASHINGTON HIGH LEVEL SIGNIFICANT WEATHER AND
                MEDIUM LEVEL SIGNIFICANT WEATHER PRODUCTS
                EFFECTIVE NOVEMBER 25 2004

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

ON NOVEMBER 25 2004 AT 0000 COORDINATED UNIVERSAL TIME
/UTC/... THE WORLD AREA FORECAST CENTER /WAFC/ WASHINGTON
WILL PROVIDE ENHANCED JETSTREAM FORECAST INFORMATION FOR THE
HIGH LEVEL SIGNIFICANT WEATHER PRODUCT /SWH/ AND THE MEDIUM
LEVEL SIGNIFICANT WEATHER PRODUCT /SWM/.  BEGINNING ON
NOVEMBER 25 2004... THE JETSTREAM FORECASTS AT JET MAXIMA
POINTS WILL INCLUDE A VERTICAL DEPTH FORECAST.

AFFECTED WAFC WASHINGTON T4 CHARTS INCLUDE:

SWH ICAO AREAS          WMO HEADINGS

        A               PGEE07 KKCI
        B1              PGIE07 KKCI
        F               PGGE07 KKCI
        H               PGAE07 KKCI
        I               PGBE07 KKCI
        J               PGJE07 KKCI
        M               PGDE07 KKCI

SWM ICAO AREAS          WMO HEADING

     NAT                PGNE15 KKCI


IF YOU HAVE ANY QUESTIONS CONCERNING THE IMPLEMENTATION OF
THE JETSTREAM VERTICAL DEPTH FORECAST CONTACT:

FRED JOHNSON
DOMESTIC OPERATIONS BRANCH CHIEF
AVIATION WEATHER CENTER
KANSAS CITY MISSOURI
PHONE:  816-584-7204
E-MAIL: FRED.JOHNSON@xxxxxxxx

ADDITIONAL INFORMATION IS ALSO AVAILABLE ONLINE AT /USE
LOWER CASE LETTERS/:

 HTTP://AVIATIONWEATHER.GOV

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:

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

$$
NNNN



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