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WTPA43 PHNL 120830 HURRICANE EUGENE DISCUSSION NUMBER 24 NATIONAL WEATHER SERVICE HONOLULU HI 11 PM HST WED AUG 11 1999 ALTHOUGH DEEP CONVECTION CONTINUES TO COME AND GO AND THERE HAS BEEN NO DISCERNABLE EYE FOR QUITE AWHILE...EUGENE SHOWS NO SIGNS OF WEAKENING. LOOKS LIKE THE SOUTHERLY SHEAR NOTICED ON SATELLITE IMAGERY IS NOT ENOUGH TO WORK ON EUGENE. THE OFFICIAL FORECAST THEREFORE KEEPS EUGENE AT 70 TO 75 KT THROUGH THE NEXT 24 HOURS AND BEGINS THE SLOW WEAKENING PROCESS THEREAFTER. SHIPS DATA SAYS THAT IT WONT BE UNTIL AFTER 24 HOURS THAT EUGENE SEES SLIGHTLY LOWER SEA SURFACE TEMPERATURES AND A SLIGHT INCREASE IN VERTICAL SHEAR. INITIAL MOTION IS ESTIMATED TO BE 280/11. THE OFFICIAL FORECAST IS AN EXTENSION OF THE LAST FORECAST...MOVING EUGENE SLIGHTLY NORTH OF DUE WEST OVER THE NEXT 72 HOURS. THE OBJECTIVE AIDS CONTINUE TO BE TIGHTLY GROUPED WITH EVEN LBAR JOINING THE OTHERS. THE ONLY OUTLIER IS GFDL WHICH TURNS EUGENE TO THE SOUTHWEST. THE OFFICIAL FORECAST IS IN THE MIDDLE OF THE PACK FAVORING BAMD. CRAIG. FORECAST POSITIONS AND MAX WINDS INITIAL 12/0900Z 14.3N 144.3W 75 KTS 12HR VT 12/1800Z 14.6N 146.1W 70 KTS 24HR VT 13/0600Z 15.0N 148.6W 70 KTS 36HR VT 13/1800Z 15.4N 151.0W 65 KTS 48HR VT 14/0600Z 15.6N 153.5W 60 KTS 72HR VT 15/0600Z 16.1N 159.5W 55 KTS