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879
NOUS40 KWBC 251613
FOS NOTICE NO. 715 07-25-95
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
/THE FOLLOWING INFORMATION WAS PROVIDED BY HOWARD DIAMOND OFFICE
OF SYSTEMS OPERATIONS/
NOTE TO NWWS USERS: THE FOLLOWING NOTICE WILL HAVE NO IMPACT TO
NWWS USERS AND IS BEING PROVIDED SOLELY FOR INFORMATION.
THE IMPLEMENTATION DATE FOR THE REPLACEMENT OF SURFACE
AVIATION OBSERVATIONS /SAO
/ WITH METAR FORMATTED SURFACE
OBSERVATION WEATHER REPORTS HAS BEEN INITIALLY PUSHED BACK FROM
JANUARY 1 1996 TO JULY 1 1996. SUBSEQUENTLY THERE HAVE BEEN
DISCUSSIONS BETWEEN THE NWS THE FAA AND THE DOD AS TO MOVING THAT
DATE UP SLIGHTLY TO JUNE 1 1996 FOR CONTRACT COST CONSIDERATIONS.
CURRENTLY THE JUNE 1996 DATE IS UNOFFICIAL AND IS BEING
DISCUSSED BETWEEN THE MANAGEMENT OF NWS AND FAA SINCE THE FAA HAS
THE US LEAD ON DETERMINING THIS DATE. AS SOON AS A NEW AND
OFFICIAL IMPLEMENTATION DATE FOR THE DOMESTIC DISSEMINATION OF
METAR DATA HAS BEEN ESTABLISHED AN EXTENSIVE NOTIFICATION EFFORT
WILL BE MADE TO A LARGE COMMUNITY OF USERS. IN ADDITION
NOTIFICATION WILL ALSO BE POSTED ON A NOAA GOPHER SERVER ON THE
INTERNET. THE ADDRESS FOR THIS SERVER IS: 140.90.5.206.
WHERE METAR OBSERVATIONS ARE BEING TAKEN AND DISSEMINATED
NOW THE NEW METAR CODE IS STILL ON SCHEDULE TO BE IMPLEMENTED ON
JANUARY 1 1996 AT 0000 HOURS UNIVERSAL COORDINATED TIME /UTC/.
FOR THE NWS SITES IN THE U.S. THIS WILL ONLY AFFECT THE METAR
REPORTS WHICH ARE COMPUTER-GENERATED AT THE NWS TELECOMMUNICATION
GATEWAY FOR INTERNATIONAL DISSEMINATION.
ALSO EFFECTIVE ON JANUARY 1 1996 THE NEW TERMINAL AERODROME
FORECAST /TAF/ CODE WILL BE IMPLEMENTED INTERNATIONALLY. FOR NWS
SITES IN THE U.S. THE NEW TAF CODE WILL BE IMPLEMENTED ON JANUARY
1 1996 FOR THE APPROXIMATELY 80 TAF PRODUCTS WHICH ARE CURRENTLY
ISSUED BY THE NWS. THIS FORMAT WILL ALSO BE INCLUDED IN THE
NOTIFICATION EFFORT MENTIONED EARLIER IN THIS MESSAGE. THE NWS
WILL CONTINUE TO ISSUE THE CURRENT 525 FT PRODUCTS UNTIL THE
JUNE/JULY 1996 IMPLEMENTATION DATE WHEN FT
WILL BE FULLY
REPLACED BY TAF
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