WTPN32 PGTW 270900 1. TYPHOON 30W (XANGSANE) WARNING NR 008 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 270600Z5 --- NEAR 12.3N6 126.2E1 MOVEMENT PAST SIX HOURS - 275 DEGREES AT 20 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 045 NM OVER WATER RADIUS OF 035 KT WINDS - 115 NM NORTH SEMICIRCLE OVER WATER 100 NM ELSEWHERE OVER WATER REPEAT POSIT: 12.3N6 126.2E1 --- FORECASTS: 12 HRS, VALID AT: 271800Z8 --- 12.7N0 124.1E8 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 050 KT WINDS - 030 NM OVER WATER RADIUS OF 035 KT WINDS - 100 NM NORTH SEMICIRCLE OVER WATER 085 NM ELSEWHERE OVER WATER VECTOR TO 24 HR POSIT: 290 DEG/ 11 KTS --- 24 HRS, VALID AT: 280600Z6 --- 13.4N8 121.9E3 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 035 KT WINDS - 095 NM NORTH SEMICIRCLE OVER WATER 080 NM ELSEWHERE OVER WATER VECTOR TO 36 HR POSIT: 295 DEG/ 08 KTS --- 36 HRS, VALID AT: 281800Z9 --- 14.0N5 120.4E7 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 035 KT WINDS - 085 NM NORTH SEMICIRCLE OVER WATER 060 NM ELSEWHERE OVER WATER VECTOR TO 48 HR POSIT: 295 DEG/ 08 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 290600Z7 --- 14.7N2 119.0E1 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 035 KT WINDS - 085 NM OVER WATER 030 NM ELSEWHERE VECTOR TO 72 HR POSIT: 305 DEG/ 07 KTS --- 72 HRS, VALID AT: 300600Z9 --- 16.3N0 116.5E3 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 035 KT WINDS - 115 NM NORTH SEMICIRCLE 100 NM ELSEWHERE --- REMARKS: 270900Z8 POSITION NEAR 12.4N7 125.7E5. TYPHOON (TY) 30W (XANGSANE) IS LOCATED APPROXIMATELY 70 NM EAST OF LAOANG, PHILIPPINES, AND HAS TRACKED WESTWARD AT 20 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 270530Z7 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 55 AND 65 KNOTS. ANIMATED SATELLITE IMAGERY REVEALS CONVECTION HAS CONTINUED TO ORGANIZE ABOUT THE LOW LEVEL CIRCULATION CENTER (LLCC). TY 30W IS FORECAST TO TRACK WEST-NORTHWESTWARD THROUGH THE FORECAST PERIOD, UNDER THE STEERING INFLUENCE OF THE SUBTROPICAL RIDGE NORTH OF THE SYSTEM. UW-CIMSS VERTICAL WIND SHEAR ANALYSIS INDICATES THE SYSTEM IS WITHIN A FAVORABLE VERTICAL WIND SHEAR ENVIRONMENT. THE SYSTEM IS FORECAST TO MAINTAIN INTENSITY UNTIL LANDFALL, EAST OF LAOANG. THE SYSTEM WILL WEAKEN AS IT MOVES THROUGH THE PHILIPPINES, AND HAS POTENTIAL FOR REINTENSIFICATION AS THE SYSTEM EMERGES IN THE SOUTH CHINA SEA AFTER 281800Z9. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 270600Z5 IS 16 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 271500Z5 (DTG 271352Z0), 272100Z2 (DTG 271952Z6), 280300Z3 (DTG 280152Z8) AND 280900Z9 (DTG 280752Z4). REFER TO TROPICAL STORM 29W (YAGI) WARNINGS (WTPN31 PGTW) FOR SIX- HOURLY UPDATES.//