WTPN31 PGTW 020900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// 1. TROPICAL STORM 06W (NANGKA) WARNING NR 008 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 020600Z8 --- NEAR 20.6N8 120.0E3 MOVEMENT PAST SIX HOURS - 045 DEGREES AT 10 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 034 KT WINDS - 095 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 20.6N8 120.0E3 --- FORECASTS: 12 HRS, VALID AT: 021800Z1 --- 21.9N2 121.9E3 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 24 HR POSIT: 065 DEG/ 16 KTS --- 24 HRS, VALID AT: 030600Z9 --- 23.3N8 124.9E6 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 060 DEG/ 19 KTS --- 36 HRS, VALID AT: 031800Z2 --- 25.3N0 128.5E6 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 48 HR POSIT: 060 DEG/ 27 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 040600Z0 --- 28.0N0 133.8E5 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 055 DEG/ 21 KTS --- 72 HRS, VALID AT: 050600Z1 --- 32.7N2 141.8E4 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT EXTRATROPICAL VECTOR TO 96 HR POSIT: 055 DEG/ 13 KTS --- REMARKS: 020900Z1 POSITION NEAR 20.9N1 120.5E8. TROPICAL STORM (TS) 06W (NANGKA), LOCATED APPROXIMATELY 110 NM SOUTH-SOUTHWEST OF TAIWAN, HAS TRACKED NORTHEASTWARD AT 10 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 020530Z0 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 45 AND 65 KNOTS. ANIMATED VISIBLE SATELLITE IMAGERY REVEALS THAT THE DEEP CONVECTION HAS REMAINED FAIRLY STEADY OVER THE PAST 06 HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 020600Z8 IS 12 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 021500Z8, 022100Z5, 030300Z6 AND 030900Z2.// NNNN