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PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 08-38
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
155 PM EDT TUE APR 29 2008

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

FROM:     KEVIN L. JOHNSTON
          CHIEF...AVIATION SERVICES BRANCH 
     
SUBJECT:  IMPLEMENTATION OF TERMINAL AERODROME FORECAST /TAF/
          SERVICE FOR THE CASTLE/MERCER AIRPORT /KMER/
          EFFECTIVE JULY 25 2008
               
NOTE:     THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER 
          WIRE SERVICE SUBSCRIBERS

EFFECTIVE JULY 25 2008 AT 1800 COORDINATED UNIVERSAL TIME /UTC/ 
THE NWS OFFICE IN HANFORD CALIFORNIA WILL BEGIN TAF SERVICE FOR 
THE CASTLE AIRPORT /KMER/ IN MERCED CALIFORNIA. ROUTINE AND 
UPDATED TAFS WILL BE ISSUED FOR THIS AIRPORT 24 HOURS A DAY.

NWS PERSONNEL WILL NEED TO ADD THE FOLLOWING IDENTIFIER TO THEIR 
COMMUNICATIONS SYSTEMS TO RECEIVE THE NEW TAF:
                                                                
AIRPORT			WMO HEADING		AWIPS ID
CASTLE  	  	FTUS46 KHNX		TAFMER

IN ADDITION THE NEW TAF WILL BE ADDED TO THE EXISTING TAF 
COLLECTIVES BELOW WHICH ARE TRANSMITTED TO FEDERAL AVIATION 
ADMINISTRATION /FAA/ PERSONNEL AND OTHER EXTERNAL USERS.

WMO HEADINGS        AVAILABLE TO THE FOLLOWING CUSTOMERS
FTUS80 KWBC	    NON-FAA DOMESTIC AND FAMILY OF SERVICES

FTUS90 KWBC	    FAA WEATHER MESSAGE SWITCHING CENTER AND FAA
                    FACILITIES

FTUS52 KWBC	    GLOBAL TELECOMMUNICATION SYSTEM CUSTOMERS

HOLDERS OF NWS PROCEDURAL INSTRUCTION 10-813 /TERMINAL AERODROME
FORECASTS/ SHOULD MAKE APPROPRIATE ADDITIONS TO THE APPENDICES.  
ALSO AS A REMINDER ON NOVEMBER 5 2008 THE TAF FORMAT WILL CHANGE 
TO A 30 HOUR FORMAT FOR ALL TAFS. FOR MORE INFORMATION ON THE 
CHANGE TO THE 30 HOUR TAF FORMAT PLEASE REFER TO NWS SERVICE 
CHANGE NOTICE 08-15.

IF YOU HAVE QUESTIONS REGARDING THE TAF ADDITION...CONTACT: 

STEVEN MENDENHALL
METEOROLOGIST IN CHARGE 
NATIONAL WEATHER SERVICE OFFICE
900 FOGGY BOTTOM ROAD
HANFORD CA 93230-5236
PHONE 559-584-3752
EMAIL STEVEN.MENDENHALL@NOAA.GOV

NWS TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT  
/USE LOWER CASE/:

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

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