WTPN31 PGTW 021500 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// 1. TROPICAL STORM 06W (NANGKA) WARNING NR 009 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 021200Z5 --- NEAR 22.0N4 122.0E5 MOVEMENT PAST SIX HOURS - 050 DEGREES AT 21 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 OVER WATER REPEAT POSIT: 22.0N4 122.0E5 --- FORECASTS: 12 HRS, VALID AT: 030000Z3 --- 23.9N4 125.6E4 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 085 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 060 DEG/ 20 KTS --- 24 HRS, VALID AT: 031200Z6 --- 25.9N6 129.3E5 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 060 DEG/ 21 KTS --- 36 HRS, VALID AT: 040000Z4 --- 27.9N8 133.4E1 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 060 DEG/ 24 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 041200Z7 --- 30.4N7 138.1E3 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT BECOMING EXTRATROPICAL VECTOR TO 72 HR POSIT: 055 DEG/ 19 KTS --- 72 HRS, VALID AT: 051200Z8 --- 34.6N3 145.5E5 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT EXTRATROPICAL VECTOR TO 96 HR POSIT: 055 DEG/ 13 KTS --- REMARKS: 021500Z8 POSITION NEAR 22.5N9 122.9E4. TROPICAL STORM (TS) 06W (NANGKA), LOCATED APPROXIMATELY 64 NM SOUTHEAST OF TAIWAN, HAS TRACKED NORTHEASTWARD AT 21 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 021130Z7 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 45 AND 65 KNOTS. A 021144Z2 SSM/I PASS REVEALS THE LOW-LEVEL CIRCULATION CENTER EXPOSED TO THE SOUTH OF THE REMAINING DEEP CONVECTION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 021200Z5 IS 12 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 022100Z5, 030300Z6, 030900Z2 AND 031500Z9.// NNNN