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PNSWSH

SERVICE CHANGE NOTICE 07-36
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
150 PM EDT WED MAY 23 2007                

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...AND NWS EMPLOYEES

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

SUBJECT:	NEW TSUNAMI PRODUCTS AVAILABLE FOR THE INDIAN OCEAN:
		EFFECTIVE JUNE 27 2007

EFFECTIVE WEDNESDAY JUNE 27 2007 AT 1800 COORDINATED UNIVERSAL 
TIME /UTC/...AN INTERIM TSUNAMI WARNING PLAN FOR THE INDIAN OCEAN 
WILL BE IMPLEMENTED UNTIL SUCH TIME AS THIS CAPABILITY CAN BE 
MANAGED INDEPENDENTLY WITHIN THE REGION. 

THE PACIFIC TSUNAMI WARNING CENTER /PTWC/ WILL IMPLEMENT A SUITE 
OF TWO TSUNAMI PRODUCTS FOR THE INDIAN OCEAN. THESE PRODUCTS WILL 
BE SIMILAR IN FORMAT AND CONTENT TO THE EXISTING SUITE OF TSUNAMI 
PRODUCTS CURRENTLY ISSUED BY PTWC FOR THE PACIFIC WITH THE 
EXCEPTION THAT THE HIGHEST LEVEL OF ALERT WILL BE A WATCH... 
INDEPENDENT OF THE MAGNITUDE OF THE QUAKE. THESE PRODUCTS WERE 
PREVIOUSLY ISSUED ON AN EXPERIMENTAL BASIS. THEY WILL TRANSITION 
TO OPERATIONAL PRODUCTS ON JUNE 27 2007.

THE TSUNAMI WATCH/ADVISORY WILL CONTAIN WATCH AND ADVISORY 
INFORMATION ABOUT A POTENTIAL TSUNAMI...THE SOURCE...AND THE 
ESTIMATED TIME OF ARRIVAL FOR WAVES AND WILL ALERT RESIDENTS TO 
THE RISK OF FLOODING.  
  
THE TSUNAMI INFORMATION BULLETIN WILL CONTAIN INFORMATION ABOUT 
SIGNIFICANT EARTHQUAKES WHICH ARE NOT LIKELY TO TRIGGER A 
TSUNAMI.  

THE COMMUNICATIONS IDENTIFIERS FOR THESE PRODUCTS ARE 
LISTED IN TABLE 1. IMPORTANT NOTE: USERS OF NWS PRODUCTS MAY NEED 
TO UPDATE THEIR COMMUNICATION SYSTEM DIRECTORIES TO BEGIN 
RECEIVING THESE PRODUCTS.

TABLE 1. TSUNAMI PRODUCTS FOR THE INDIAN OCEAN
          
PRODUCT NAME                          WMO HEADING    AWIPS ID  

TSUNAMI WATCH/ADVISORY                WEIO21 PHEB     TSUIOX
TSUNAMI INFORMATION STATEMENT         WEIO23 PHEB     TIBIOX	

EXAMPLES OF THESE PRODUCTS CAN BE FOUND ONLINE AT: /USE LOWER 
CASE LETTERS/:

     HTTP://WWW.PRH.NOAA.GOV/PTWC/ABOUT_MESSAGES.PHP

IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:

     CHARLES MCCREERY   
     PACIFIC TSUNAMI WARNING CENTER
     NATIONAL WEATHER SERVICE 
     91-270 FORT WEAVER RD.   
     EWA BEACH, HI 96706-2928   
     PHONE 808-689-8207 
     EMAIL: CHARLES.MCCREERY@NOAA.GOV 

THIS NOTICE AND OTHER SERVICE CHANGE NOTICES ARE AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/: 

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

$$
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