WTPN31 PGTW 200900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 16W (CHOI-WAN) WARNING NR 011 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 200600Z8 --- NEAR 28.9N9 130.5E9 MOVEMENT PAST SIX HOURS - 060 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT OVER WATER 055 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT OVER WATER 160 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT OVER WATER 125 NM NORTHWEST QUADRANT OVER WATER REPEAT POSIT: 28.9N9 130.5E9 --- FORECASTS: 12 HRS, VALID AT: 201800Z1 --- 30.3N6 132.9E5 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT OVER WATER 160 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 24 HR POSIT: 055 DEG/ 15 KTS --- 24 HRS, VALID AT: 210600Z9 --- 31.9N3 135.8E7 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 070 NM RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT OVER WATER 155 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 36 HR POSIT: 050 DEG/ 18 KTS --- 36 HRS, VALID AT: 211800Z2 --- 34.1N8 139.3E6 MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 065 NM OVER WATER RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT OVER WATER 135 NM SOUTHEAST QUADRANT 165 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 48 HR POSIT: 050 DEG/ 19 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 220600Z0 --- 36.4N3 143.0E8 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT OVER WATER 120 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 72 HR POSIT: 055 DEG/ 26 KTS --- 72 HRS, VALID AT: 230600Z1 --- 41.6N1 154.4E4 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT EXTRATROPICAL --- REMARKS: 200900Z1 POSITION NEAR 29.2N3 131.1E6. TYPHOON (TY) 16W (CHOI-WAN), LOCATED APPROXIMATELY 135 NM SOUTH OF KYUSHU, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 08 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON RECENT MICROWAVE SATELLITE IMAGERY, KADENA RADAR OBSERVATIONS AND SYNOPTIC DATA. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 55 TO 77 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200600Z8 IS 24 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 201500Z8, 202100Z5, 210300Z6 AND 210900Z2.// NNNN