WTPN31 PGTW 020900 1. TROPICAL STORM 12W WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 020600Z8 --- NEAR 11.7N9 150.9E5 MOVEMENT PAST SIX HOURS - 300 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 035 KT WINDS - 060 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT REPEAT POSIT: 11.7N9 150.9E5 --- FORECASTS: 12 HRS, VALID AT: 021800Z1 --- 13.1N5 149.0E4 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 015 NM RADIUS OF 035 KT WINDS - 085 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 310 DEG/ 12 KTS --- 24 HRS, VALID AT: 030600Z9 --- 14.6N1 147.1E3 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 025 NM RADIUS OF 035 KT WINDS - 095 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 315 DEG/ 12 KTS --- 36 HRS, VALID AT: 031800Z2 --- 16.3N0 145.2E2 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 035 KT WINDS - 105 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 310 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 040600Z0 --- 18.2N1 143.0E8 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 035 KT WINDS - 110 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 315 DEG/ 14 KTS --- 72 HRS, VALID AT: 050600Z1 --- 22.2N6 138.9E1 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 035 KT WINDS - 120 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT --- REMARKS: 020900Z1 POSITION NEAR 12.1N4 150.4E0. TROPICAL STORM (TS) 12W LOCATED APPROXIMATELY 380 NM EAST-SOUTHEAST OF GUAM, HAS TRACKED WEST-NORTHWESTWARD AT 11 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 020530Z0 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY ESTIMATES OF 35 AND 45 KNOTS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS A DEVELOPING CENTRAL DENSE OVERCAST FEATURE WITH A DIAMETER OF 130NM AND CLOUD TOP TEMPERATURES OF -83 DEGREES CELSIUS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 020600Z8 IS 10 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 021500Z8, 022100Z5, 030300Z6 AND 030900Z2.//