WTPN31 PGTW 250900 1. TROPICAL STORM 12W (FENGSHEN) WARNING NR 045 DOWNGRADED FROM TYPHOON 12W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 250600Z3 --- NEAR 30.1N4 132.4E0 MOVEMENT PAST SIX HOURS - 295 DEGREES AT 17 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 060 KT, GUSTS 075 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 - 170 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT OVER WATER REPEAT POSIT: 30.1N4 132.4E0 --- FORECASTS: 12 HRS, VALID AT: 251800Z6 --- 31.1N5 129.3E5 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT OVER WATER 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 300 DEG/ 12 KTS --- 24 HRS, VALID AT: 260600Z4 --- 32.2N7 126.8E7 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 050 KT WINDS - 035 NM RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 155 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 36 HR POSIT: 300 DEG/ 12 KTS --- 36 HRS, VALID AT: 261800Z7 --- 33.4N0 124.3E0 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 300 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 270600Z5 --- 34.8N5 121.5E9 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 315 DEG/ 14 KTS --- 72 HRS, VALID AT: 280600Z6 --- 38.8N9 116.4E2 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 250900Z6 POSITION NEAR 30.4N7 131.6E1. TROPICAL STORM (TS) 12W (FENGSHEN), LOCATED APPROXIMATELY 230 NM SOUTHEAST OF SASEBO, JAPAN, HAS TRACKED WEST-NORTHWESTWARD AT 17 KNOTS OVER THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 250530Z5 VISIBLE AND ENHANCED INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 55 AND 65 KNOTS. ANIMATED WATER VAPOR AND MULTI-SPECTRAL IMAGERY INDICATES INCREASED DEEP CONVECTION IN THE WESTERN SEMI-CIRCLE OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 250600Z3 IS 26 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 251500Z3, 252100Z0, 260300Z1 AND 260900Z7. REFER TO TROPICAL STORM 14W (FUNG-WONG) WARNINGS (WTPN33 PGTW) FOR SIX- HOURLY UPDATES.// NNNN