Service Change Notice

NOUS41 KWBC 171810
PNSWSH

SERVICE CHANGE NOTICE 08-19
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
210 PM EDT MON MAR 17 2008

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

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

SUBJECT:    CHANGES TO THE MAXIMUM 1-MINUTE WIND SPEED   
            PROBABILITY PRODUCT: EFFECTIVE MAY 15 2008

REFER TO:   SERVICE CHANGE NOTICE /SCN/ 08-19: TRANSMITTED
            MAR 17 2008 

BASED ON USER FEEDBACK...AND TO PROVIDE GREATER FORMAT 
CONSISTENCY WITH THE TROPICAL CYCLONE PROBABILISTIC WIND SPEED 
TEXT /PWS/ PRODUCTS...THE MAXIMUM 1-MINUTE WIND SPEED PROBABILITY 
PRODUCT WILL CHANGE EFFECTIVE MAY 15 2008 AS FOLLOWS: 

1.  EXPANDED PROBABILITY FORECASTS FROM 72 TO 120 HOURS...THE 
CURRENT PRODUCT PROVIDES PROBABILITY FORECASTS THROUGH 72 HOURS. 
THE ENHANCED PRODUCT WILL INCLUDE 96 AND 120 HOUR PROBABILITY 
FORECASTS. 

2.  REVISED PRODUCT FORMAT. THE CURRENT PRODUCT IS TABULAR...WITH 
FORECAST TIMES IN HORIZONTAL ROWS AND WIND SPEED INTERVALS IN 
VERTICAL COLUMNS. THE REVISED PRODUCT WILL REMAIN TABULAR...BUT 
FORECASTS WILL BE PROVIDED IN COLUMNS AND WIND SPEED INTERVALS 
WILL BE PROVIDED IN ROWS. 

AN EXAMPLE OF THE ENHANCED MAXIMUM 1-MINUTE WIND SPEED 
PROBABILITY PRODUCT IS PROVIDED ONLINE AT /USE LOWER CASE 
LETTERS/:

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

IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT

        SCOTT KISER
        NATIONAL WEATHER SERVICE
        MARINE AND COASTAL SERVICES BRANCH
        1325 EAST WEST HWY ROOM 13126
        SILVER SPRING MARYLAND  20910
        PHONE: 301-713-1677 EXTENSION 121

NWS SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWER CASE/:

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

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Service Change Notice

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