NOUS41 KWBC 271324
PNSWSH

SERVICE CHANGE NOTICE 07-44
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
924 AM EDT WED JUN 27 2007
  
TO: 	   FAMILY OF SERVICES /FOS/ SUBSCRIBERS
	   FEDERAL AVIATION ADMINISTRATION /FAA/ CUSTOMERS
           OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS OF
           AVIATION FORECASTS AND NWS EMPLOYEES
      
FROM:	   KEVIN L. JOHNSTON
	   AVIATION SERVICES BRANCH CHIEF

SUBJECT:   TERMINATION OF CONUS TRANSCRIBED WEATHER BROADCAST
           /TWEB/ FORECASTS: EFFECTIVE SEPTEMBER 30 2007.

NOAA/S NATIONAL WEATHER SERVICE /NWS/ PROVIDES AVIATION WEATHER 
PRODUCTS ACCORDING TO FEDERAL AVIATION ADMINISTRATION /FAA/ 
REQUIREMENTS. FAA ORDER 7110.10S...FLIGHT SERVICES...DATED  
16 FEBRUARY 2006 SUMMARY OF CHANGES STATES TWEBS WILL ONLY BE 
PROVIDED IN ALASKA. FAA HAS STATED NO REQUIREMENT FOR CONUS TWEB 
FORECASTS ONCE THE AUTOMATED FLIGHT SERVICE STATIONS CEASE 
FUNCTIONING AND LOCKHEED-MARTIN CONTRACT FLIGHT SERVICE 
FACILITIES REACH FULL OPERATIONAL STATUS ON JULY 31 2007.  

A PUBLIC COMMENT PERIOD ABOUT ENDING CONUS TWEB FORECASTS ENDED 
MAY 20 2007 WITH A RESPONSE FROM LESS THAN 1 PERCENT OF 
POTENTIALLY AFFECTED GENERAL AVIATION PILOTS. 

AN ANALYSIS OF COMMENTS SHOWED THAT THE TWEB IS NOT USED BY THE 
MAJORITY OF GENERAL AVIATORS IN ADDITION TO BEING NOT REQUIRED 
BY FAA.  THEREFORE THE NWS WILL CEASE PRODUCING THE TWEB AT  
0000 UTC SEPTEMBER 30 2007. THE NWS POLICY DIRECTIVE SYSTEM 
(PDS) 10-805...TRANSCRIBED WEATHER BROADCASTS...WILL BE UPDATED 
ACCORDINGLY. AN EXAMPLE OF THE TWEB PRODUCT WHICH IS BEING 
TERMINATED IS AS FOLLOWS: 

406 TWEB 202008 KLAS-KELY-KEKO. ALL HGTS MSL EXC CIGS. KLAS-50S
    KELY P6SM SCT250. 50S KELY-KEKO P6SM BKN150 SCT 6SM -TSRA
    BKN120CB...04Z P6SM BKN120 SCT -SHRA.

REPEATING: THE NWS WILL CEASE PRODUCTION OF THE TWEB AT 0000 UTC 
SEPTEMBER 30 2007.  

IF YOU HAVE ANY QUESTIONS...YOU MAY CONTACT:

      BETH MCNULTY
      METEOROLOGIST
      NATIONAL WEATHER SERVICE HEADQUARTERS
      1325 EAST-WEST HIGHWAY...SSMC2
      SILVER SPRING MD 20910
      PHONE: 301-713-1726 X 116
      EMAIL: BETH.MCNULTY@NOAA.GOV

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

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