WTPS33 PGTW 100900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 12P (TWELVE) WARNING NR 010// RMKS/ 1. TROPICAL CYCLONE 12P (TWELVE) WARNING NR 010 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 100600Z --- NEAR 16.7S 170.4E MOVEMENT PAST SIX HOURS - 085 DEGREES AT 15 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 16.7S 170.4E --- FORECASTS: 12 HRS, VALID AT: 101800Z --- 17.0S 173.2E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 100900Z POSITION NEAR 16.8S 171.1E. 10FEB24. TROPICAL CYCLONE 12P (TWELVE), LOCATED APPROXIMATELY 134 NM EAST-NORTHEAST OF PORT VILA, VANUATU, HAS TRACKED EASTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE MAIN CONVECTION HAS BECOME SHEARED 80+ NM FROM A WEAK, RAGGED, AND EXPOSED LOW LEVEL CIRCULATION (LLC). THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE BASED ON THE EXPOSED LLC. THE INITIAL INTENSITY IS ALSO ASSESSED WITH HIGH CONFIDENCE BASED ON EXTRAPOLATION FROM THE 092222Z ASCAT PASS, SUPPORTED BY THE PGTW 1.5/2.5 DVORAK ESTIMATE SHOWING A RAPID WEAKENING TREND. ANALYSIS INDICATES THE SYSTEM IS NOW UNDER 25+ KNOTS OF RELATIVE VERTICAL WIND SHEAR THAT HAS CAUSED THE RAPID DECAY AND WEAKENING TO BELOW WARNING CRITERIA. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 100600Z IS 997 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 100600Z IS 11 FEET.// NNNN