WTPN31 PGTW 240900 1. TYPHOON 12W (FENGSHEN) WARNING NR 041 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 240600Z2 --- NEAR 28.2N2 140.0E5 MOVEMENT PAST SIX HOURS - 275 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT REPEAT POSIT: 28.2N2 140.0E5 --- FORECASTS: 12 HRS, VALID AT: 241800Z5 --- 28.7N7 136.4E4 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 290 DEG/ 15 KTS --- 24 HRS, VALID AT: 250600Z3 --- 29.6N7 133.2E9 MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT RADIUS OF 050 KT WINDS - 035 NM RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 305 DEG/ 13 KTS --- 36 HRS, VALID AT: 251800Z6 --- 31.1N5 130.6E0 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 035 NM OVER WATER RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT OVER WATER 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 48 HR POSIT: 305 DEG/ 13 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 260600Z4 --- 32.6N1 128.2E3 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT OVER WATER 105 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 72 HR POSIT: 310 DEG/ 11 KTS --- 72 HRS, VALID AT: 270600Z5 --- 35.3N1 123.8E4 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT --- REMARKS: 240900Z5 POSITION NEAR 28.3N3 139.1E4. TYPHOON (TY) 12W (FENGSHEN), LOCATED APPROXIMATELY 600 NM EAST- SOUTHEAST OF SASEBO, JAPAN, HAS TRACKED WESTWARD AT 13 KNOTS OVER THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 240530Z4 VISIBLE AND ENHANCED INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 77 KNOTS. A 240326Z7 37GHZ TRMM PASS DEPICTED A LARGE IRREGULAR EYE FEATURE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 240600Z2 IS 34 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 241500Z2, 242100Z9, 250300Z0 AND 250900Z6. REFER TO TROPICAL STORM 14W (FUNG-WONG) WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//