NOCN04 CWAO 092030 GENOT NO. 003 BILINGUAL MESSAGE - FRENCH TEXT FOLLOWS ENGLISH TEXT MESSAGE BILINGUE - LE TEXTE FRANCAIS SUIT LE TEXTE ANGLAIS BEGINNING AT 0600 UTC, APRIL 2, 2000 ALL CANADIAN TAFS WILL BE ISSUED EITHER AT MAIN SYNOPTIC HOURS (00, 06, 12, AND 18 UTC) OR TWO HOURS AFTER MAIN SYNOPTIC HOURS (02, 08, 14 AND 20 UTC). ALL TAFS WITH A VALID PERIOD OF 24 HOURS TRANSMITTED IN BULLETIN HEADERS FTCN31-34 CWAO WILL BE ISSUED AT SYNOPTIC HOURS. ALL TAFS WITH A VALID PERIOD OF 12 HOURS FOR AERODROMES OPERATING 24 HOURS PER DAY TRANSMITTED IN BULLETIN HEADERS FCCN41-57 CWAO WILL BE ISSUED EITHER ON SYNOPTIC HOURS OR TWO HOURS AFTER SYNOPTIC HOURS AS DETERMINED BY THE ISSUING OFFICE. AERODROMES THAT DO NOT HAVE A 24 HOUR PROGRAM WILL HAVE THEIR FIRST TAFS OF THE DAY ISSUED AFTER RECEIVING TWO CONSECUTIVE SURFACE WEATHER OBSERVATIONS. SUBSEQUENT TAFS FOR THESE AERODROMES WILL THEN BE ISSUED TWO HOURS AFTER THE MAIN SYNOPTIC HOURS. THESE WILL ALSO BE TRANSMITTED AS PARTS OF BULLETIN HEADERS FCCN41-57 CWAO. TAFS WILL CONTINUE TO HAVE "NEXT FORECAST BY TIME ZULU" IN REMARKS TO SERVE AS A REMINDER TO PILOTS, BRIEFERS, AND FLIGHT DISPATCHERS AS TO WHEN TO EXPECT THE NEXT SCHEDULED ISSUE AND WILL CONTINUE TO BE TRANSMITTED TO THE AFTN AND GTS CIRCUITS AS BEFORE UNDER THE SAME BULLETIN HEADERS. FOR FURTHER INFORMATION REGARDING THIS PRODUCT PLEASE CONTACT/ POUR PLUS AMPLES INFORMATIONS, VEUILLEZ CONTACTER: LUIGI BERTOLONE METEOROLOGICAL SERVICES OF CANADA ENVIRONMENTAL SERVICES AND INFORMATION DIVISION PH. (416)739-4991 FAX. (416)739-4967 E-MAIL LUIGI.BERTOLONE@EC.GC.CA A PARTIR DE 0600 UTC, LE 2 AVRIL 2000, TOUS LES TAF CANADIENS SERONT EMIS SOIT AUX HEURES SYNOPTIQUES PRINCIPALES (00, 06, 12, ET 18 UTC), SOIT DEUX HEURES PLUS TARD (02, 08, 14 ET 20 UTC). TOUS LES TAF COUVRANT UNE PERIODE DE 24 HEURES INCLUS DANS LES BULLETINS FTCN31-34 CWAO SERONT EMIS AUX HEURES SYNOPTIQUES. TOUS LES TAF COUVRANT UNE PERIOD DE 12 HEURES DANS LES AERODROMES OU IL Y A DE PROGRAMME SUR 24 HEURES QUI FONT PART DES BULLETINS FCCN41- 57 CWAO SERONT EMIS AUX HEURES SYNOPTIQUES PRINCIPALES OU DEUX HEURES PLUS TARD, SELON LA DECISION DU BUREAU D'EMISSION. DANS LES AERODROMES OU IL N'Y A PAS DE PROGRAMME SUR 24 HEURES ON EMETTRA LE PREMIER TAF DE LA JOURNEE APRES AVOIR RECU DEUX OBSERVATIONS DE SURFACE CONSECUTIVES. LES TAF SUIVANTS, POUR CES AERODROMES, SERONT EMIS DEUX HEURES APRES CHAQUE HEURE SYNOPTIQUE PRINCIPALE. LA MENTION "PROCHAINE PREVISION A HEURE ZULU" APPARAITRA TOUJOURS EN REMARQUES AFIN DE PERMETTRE AUX PILOTES, AUX PRESENTATEURS D'EXPOSES ET AUX AIGUILLEURS DU CIEL DE SE REMEMORER LA PROCHAINE EMISSION. ON CONTINUERA EGALEMENT A TRANSMETTRE LES TAF SUR LES CIRCUITS AFTN ET GTS, COMME AUPARAVANT, AVEC LES MEMES EN-TETE DE BULLETINS. MCBEAN / ADMA / TORONTO