WTPN32 PGTW 211500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 15W (PULASAN) WARNING NR 020// RMKS/ 1. TROPICAL STORM 15W (PULASAN) WARNING NR 020 UPGRADED FROM TROPICAL DEPRESSION 15W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 211200Z --- NEAR 34.6N 128.9E MOVEMENT PAST SIX HOURS - 085 DEGREES AT 29 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 34.6N 128.9E --- FORECASTS: 12 HRS, VALID AT: 220000Z --- 36.2N 136.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 070 DEG/ 36 KTS --- 24 HRS, VALID AT: 221200Z --- 38.2N 144.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 211500Z POSITION NEAR 35.0N 130.8E. 21SEP24. TROPICAL STORM 15W (PULASAN), LOCATED APPROXIMATELY 32 NM SOUTH-SOUTHWEST OF BUSAN, SOUTH KOREA, HAS TRACKED EASTWARD AT 29 KNOTS OVER THE PAST SIX HOURS. THE SYSTEM IS CURRENTLY UNDERGOING FRONTOGENESIS DUE TO BAROCLINIC FORCING, AND EXTRATROPICAL TRANSITION WILL COMPLETE WITHIN THE NEXT TWELVE HOURS. THE SYSTEM IS CURRENTLY FORECAST TO TRACK EAST-NORTHEASTWARD OVER LAND AROUND TAU 12. WHILE OVER LAND, THE MOUNTAINOUS TERRAIN OF NORTHERN JAPAN WILL EROADE AT THE SYSTEM VORTEX, WEAKENING THE CIRCULATION AS TS 15W TRANSITS. 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 211200Z IS 1000 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211200Z IS 15 FEET. REFER TO TROPICAL DEPRESSION 17W (SEVENTEEN) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN