NOCN01 CWAO 041930 GENOT NOCN01 NO. 125 ACTION - OPERATIONAL CHANGE / CHANGEMENT OPERATIONNEL NAVCANADA FLIGHT SERVICES STATION HAS ASSUMED RESPONSIBILITY FOR PERFORMING WEATHER OBSERVATIONS / LES OBSERVATIONS METEOROLOGIQUES SONT MAINTENANT LA RESPONSIBILITE DES STATIONS DE SERVICES AERIENS DE NAV CANADA. STATION - WHITEHORSE A YT IDENTIFIER / INDICATIF - YXY INDEX NUMBER / INDICATIF INTERNATIONAL - 71964 TYPE - ATI LATITUDE - 60 43 N LONGITUDE - 135 04 W ELEVATION - 702.6 M CIRCUIT HEADER / EN -TETE TLTP - SACN41 CWAO , SMCN09 CWAO PROGRAM / PROGRAMME - METAR AND SPECI OBSERVATIONS METAR ET SPECI SM SYNOPTIC OBSERVATIONS SYNOPTIQUES SM OPERATION - DAILY / TOUS LES JOURS 0000 - 2300 UTC PARAMETERS / PARAMETRES - TEMPERATURE DEWPOINT/ POINT DE ROSEE WEATHER / OBSERVATIONS METEOROLOGIQUE PRECIPITATION SKY CONDITION / ETAT DU CIEL WIND SPEED AND DIRECTION / VITESSE ET DIRECTION DU VENT VISIBILITY / VISIBILITE PRESSURE / PRESSION EFFECTIVE / EN VIGUEUR - DECEMBER 01 DECEMBRE, 1997, 1200 UTC MCBEAN / ADMA / TORONTO