WTPN31 PGTW 040900 1. TROPICAL STORM 24W (KROSA) WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 040600Z0 --- NEAR 15.7N3 142.6E3 MOVEMENT PAST SIX HOURS - 305 DEGREES AT 16 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 - 100 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 15.7N3 142.6E3 --- FORECASTS: 12 HRS, VALID AT: 041800Z3 --- 17.1N9 140.7E2 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 020 NM RADIUS OF 035 KT WINDS - 110 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 305 DEG/ 12 KTS --- 24 HRS, VALID AT: 050600Z1 --- 18.4N3 138.7E9 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 035 KT WINDS - 130 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 305 DEG/ 11 KTS --- 36 HRS, VALID AT: 051800Z4 --- 19.7N7 136.7E7 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 035 KT WINDS - 145 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 315 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 060600Z2 --- 21.2N5 135.1E0 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 070 NM RADIUS OF 035 KT WINDS - 155 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 155 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 315 DEG/ 08 KTS --- 72 HRS, VALID AT: 070600Z3 --- 23.5N0 132.5E1 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 035 KT WINDS - 165 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT --- REMARKS: 040900Z3 POSITION NEAR 16.1N8 142.1E8. TROPICAL STORM (TS) 24W (KROSA), LOCATED APPROXIMATELY 170 NM NORTHWEST OF GUAM, HAS TRACKED NORTHWESTWARD AT 16 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 040530Z2 INFRARED AND VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 35 AND 45 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 040600Z0 IS 10 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 041500Z0, 042100Z7, 050300Z8 AND 050900Z4.//