WTPN31 PGTW 190300 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 16W (CHOI-WAN) WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 190000Z0 --- NEAR 25.0N7 128.0E1 MOVEMENT PAST SIX HOURS - 015 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 25.0N7 128.0E1 --- FORECASTS: 12 HRS, VALID AT: 191200Z3 --- 26.7N5 128.5E6 MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT RADIUS OF 050 KT WINDS - 055 NM RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 040 DEG/ 05 KTS --- 24 HRS, VALID AT: 200000Z2 --- 27.5N4 129.3E5 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 034 KT WINDS - 165 NM VECTOR TO 36 HR POSIT: 060 DEG/ 07 KTS --- 36 HRS, VALID AT: 201200Z5 --- 28.2N2 130.7E1 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 034 KT WINDS - 170 NM VECTOR TO 48 HR POSIT: 055 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 210000Z3 --- 29.4N5 132.8E4 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 034 KT WINDS - 165 NM VECTOR TO 72 HR POSIT: 045 DEG/ 11 KTS --- 72 HRS, VALID AT: 220000Z4 --- 32.4N9 136.7E7 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 034 KT WINDS - 165 NM VECTOR TO 96 HR POSIT: 045 DEG/ 13 KTS --- LONG RANGE OUTLOOK: NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM ON DAY 4 AND 350 NM ON DAY 5... AND FOR INTENSITY NEAR 20 KT EACH DAY. --- 96 HRS, VALID AT: 230000Z5 --- 36.1N0 141.2E8 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT BECOMING EXTRATROPICAL VECTOR TO 120 HR POSIT: 040 DEG/ 25 KTS --- 120 HRS, VALID AT: 240000Z6 --- 43.7N4 149.7E1 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT EXTRATROPICAL --- REMARKS: 190300Z3 POSITION NEAR 25.4N1 128.1E2. TROPICAL STORM (TS) 16W, LOCATED APPROXIMATELY 75 NM SOUTH OF NAHA, OKINAWA, HAS TRACKED NORTHWARD AT 13 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 182330Z7 MULTISPECTRAL SATELLITE IMAGERY AND KADENA RADAR OBSERVATIONS. THE WARNING INTENSITY IS BASED SATELLITE CURRENT INTENSITY ESTIMATES OF 45 AND 55 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190000Z0 IS 14 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 190900Z9, 191500Z6, 092100Z3 AND 200300Z5.//