WTPN31 PGTW 131500 1. TROPICAL STORM 25W (HAIYAN) WARNING NR 009 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 131200Z7 --- NEAR 18.9N8 129.9E1 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 01 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 035 KT WINDS - 075 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 18.9N8 129.9E1 --- FORECASTS: 12 HRS, VALID AT: 140000Z5 --- 19.6N6 129.6E8 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 020 NM RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 315 DEG/ 05 KTS --- 24 HRS, VALID AT: 141200Z8 --- 20.4N6 128.8E9 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 035 KT WINDS - 115 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 310 DEG/ 08 KTS --- 36 HRS, VALID AT: 150000Z6 --- 21.4N7 127.5E5 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 035 KT WINDS - 120 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 300 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 151200Z9 --- 22.3N7 125.8E6 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 035 KT WINDS - 135 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 300 DEG/ 08 KTS --- 72 HRS, VALID AT: 161200Z0 --- 23.8N3 122.9E4 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 035 KT WINDS - 150 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT OVER WATER 150 NM NORTHWEST QUADRANT OVER WATER --- REMARKS: 131500Z0 POSITION NEAR 19.1N1 129.8E0. TROPICAL STORM (TS) 25W (HAIYAN) LOCATED APPROXIMATELY 580 NM SOUTHEAST OF TAIPEI, TAIWAN, HAS BEEN QUASISTATIONARY DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 131130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 45 KNOTS. ANIMATED VISIBLE SATELLITE IMAGERY DEPICTS BUILDING DEEP CONVECTION OVER THE LOW LEVEL CIRCULATION CENTER AND MINIMAL CONVECTION IN THE EASTERN SEMICIRCLE. ANIMATED WATER VAPOR IMAGERY DEPICTS A MIGRATORY TUTT CELL TO THE EAST OF TS 25W. THE 200 MB ANALYSIS INDICATES THAT UPPER LEVEL CONVERGENCE MAY BE CONTRIBUTING TO THE LACK OF CONVECTION SEEN IN THIS AREA. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 131200Z7 IS 16 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 132100Z7, 140300Z8, 140900Z4 AND 141500Z1.// BT #XXXX NNNN