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NATIONAL TECHNICAL INFORMATION MESSAGE (NTIM) 95-32
NATIONAL WEATHER SERVICE HEADQUARTERS
200 PM EDT MON AUG 28 1995
TO: USERS OF NWS PRODUCTS RECEIVED FROM THE NATIONAL
WEATHER SERVICE TELECOMMUNICATION GATEWAY
FROM: JOE BOCCHIERI
CHIEF SERVICES EVALUATION BRANCH
SUBJECT: NWS METAR/TAF PROJECT AND PRODUCT INFORMATION
REFERENCE: NTIM 95-26 DATED JULY 17 1995
(THE FOLLOWING INFORMATION WAS PROVIDED BY HOWARD
DIAMOND...OFFICE OF SYSTEMS OPERATIONS)
NOTE TO NWWS USERS: THE FOLLOWING NOTICE WILL HAVE NO IMPACT ON
NWWS USERS AND IS BEING PROVIDED SOLELY FOR INFORMATION.
PER THE INFORMATION IN THE REFERENCE NTIM 95-26...THE
IMPLEMENTATION DATE FOR THE REPLACEMENT OF SURFACE AVIATION
OBSERVATIONS (SAO) WITH METAR FORMATTED SURFACE OBSERVATION
WEATHER REPORTS IS NOW SCHEDULED TO OCCUR AT 0000 HOURS UTC ON
JUNE 1 1996. IF THIS CHANGES YOU WILL BE SO NOTIFIED.
BEGINNING ON SEPTEMBER 8 1995 A COLLECTIVE OF TEST METAR DATA
FROM SELECTED NWS ASOS STATIONS PARTICIPATING IN SOFTWARE TESTS
WILL BECOME AVAILABLE. THE WMO HEADER FOR THAT COLLECTIVE IS
SXUS81 KWBC. THIS COLLECTIVE WILL BE CREATED FROM A NUMBER OF
INDIVIDUAL FIELD GENERATED PRODUCTS (INITIALLY 17 SITES WITH MORE
TO FOLLOW IN THE FUTURE) IN THE AFOS PIL FORMAT CCCMTTXXX
(REFERENCE AFOS CHANGE NOTICE 1072 SENT ON 8/21/95). THE
INDIVIDUAL OBSERVATIONS WILL ONLY BE AVAILABLE TO AFOS USERS.
ALL OTHER USERS WILL ONLY HAVE ACCESS TO THE COLLECTIVE...WHICH
WILL BE CONSTRUCTED FROM THE INDIVIDUAL OBSERVATIONS. THE FORMAT
OF THIS TEST OBSERVATION COLLECTIVE WILL BE IN THE NEW
JANUARY 1 1996 INTERNATIONAL METAR CODE.
THE SYNTHETICALLY PRODUCED COLLECTIVES OF METAR-FORMATTED
OBSERVATIONS AND SPECIALS WITH REMARKS FROM 250 FIRST-ORDER NWS
STATIONS THAT BECAME AVAILABLE ON JULY 19 1995 (REFERENCE NTIM
95-26) HAVE HAD SOME PROBLEMS ASSOCIATED WITH THEM. AS SOON AS
THOSE PROBLEMS ARE CORRECTED, THAT DATA WILL AGAIN BE AVAILABLE
FOR FAMILIARIZATION PURPOSES. ON JANUARY 1 1996 THE FORMAT OF
THESE SYNTHETICALLY PRODUCED OBSERVATION COLLECTIVES WILL CHANGE
TO THE PREVIOUSLY REFERENCED NEW INTERNATIONAL CODE.
IN ADDITION AN ALTERNATE COLLECTIVE OF SYNTHETIC METAR DATA WITH
REMARKS IS AVAILABLE (WITH RECORD SEPARATORS) UNDER WMO HEADER
SAUS35 KWBC. THIS COLLECTIVE WITH RECORD SEPARATORS IS
TRANSITIONAL IN NATURE AND WILL NOT BE AVAILABLE AFTER
NOVEMBER 1995.
IF YOU HAVE ANY QUESTIONS ABOUT THESE PRODUCTS OR THE OVERALL NWS
METAR/TAF PRODUCT IN GENERAL PLEASE CONTACT HOWARD DIAMOND NWS
METAR/TAF IMPLEMENTATION MANAGER AT (301) 713-0436 EXT. 121 OR
VIA E-MAIL AT THE FOLLOWING ADDRESS:
HDIAMOND@xxxxxxxxxxxxxxxxxxxxxx
END
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