NOUS41 KWBC 281549
PNSWSH

SERVICE CHANGE NOTICE 08-13
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1045 AM EST THU FEB 28 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:  CHANGE TO THE TROPICAL CYCLONE PUBLIC ADVISORY 
          PRODUCT FOR THE EASTERN PACIFIC: EFFECTIVE 
          MAY 15 2008

EFFECTIVE MAY 15 2008...THE TROPICAL PREDICTION CENTER/NATIONAL 
HURRICANE CENTER /NHC/ WILL CHANGE THE ISSUANCE CRITERIA FOR THE 
TROPICAL CYCLONE PUBLIC ADVISORY /TCP/ PRODUCT FOR STORMS IN THE 
EASTERN PACIFIC HURRICANE BASIN. THIS AREA OF RESPONSIBILITY 
BEGINS AT LONGITUDE 140 DEGREES WEST AND EXTENDS TO THE EAST.

THE FOLLOWING PRODUCTS ARE AFFECTED BY THIS CHANGE:

HURRICANE BASIN	       AWIPS ID	        WMO HEADING
EASTERN PACIFIC        TCPEP/1-5/	WTPZ/31-35/ KNHC

CURRENTLY PUBLIC ADVISORIES FOR THE EASTERN PACIFIC HURRICANE 
BASIN ARE ISSUED ONLY WHEN TROPICAL OR SUBTROPICAL CYCLONES ARE 
EXPECTED TO THREATEN LAND AREAS WITHIN 48 HOURS. EFFECTIVE MAY 15 
2008...PUBLIC ADVISORIES WILL BE ISSUED FOR ALL EASTERN PACIFIC 
TROPICAL OR SUBTROPICAL CYCLONES...REGARDLESS OF PROXIMITY TO 
LAND AREAS.  

THIS CHANGE IN ISSUANCE CRITERIA FOR EASTERN PACIFIC /TCP/ 
PRODUCTS PROVIDES A UNIFORM SERVICE LEVEL ACROSS THE 
ATLANTIC...EASTERN PACIFIC...AND CENTRAL PACIFIC HURRICANE 
BASINS. THERE ARE NO OTHER CHANGES TO THE PRODUCT.

ADDITIONAL DETAILS ON THE /TCP/ MAY BE FOUND AT /USE LOWER CASE 
LETTERS/:

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

IF YOU HAVE 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 LETTERS/:

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

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