WTPN31 PGTW 210900 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 03W (LINFA) WARNING NR 017 DOWNGRADED FROM TYPHOON 03W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 210600Z --- NEAR 23.8N 118.6E MOVEMENT PAST SIX HOURS - 010 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 23.8N 118.6E --- FORECASTS: 12 HRS, VALID AT: 211800Z --- 25.7N 120.1E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 050 DEG/ 17 KTS --- 24 HRS, VALID AT: 220600Z --- 27.8N 123.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 065 DEG/ 19 KTS --- 36 HRS, VALID AT: 221800Z --- 29.4N 127.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 070 DEG/ 22 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 230600Z --- 30.7N 131.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 070 DEG/ 24 KTS --- 72 HRS, VALID AT: 240600Z --- 33.9N 142.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 210900Z POSITION NEAR 24.3N 119.0E. TROPICAL STORM (TS) 03W (LINFA) LOCATED APPROXIMATELY 520 NM WEST- SOUTHWEST OF OKINAWA, HAS TRACKED NORTHWARD AT 06 KNOTS OVER THE PAST SIX HOURS. THE SYSTEM HAS BEGUN WEAKENING AS IT ENCOUNTERS INCREASING VERTICAL WIND SHEAR AND ITS NORTHERN QUADRANTS INTERACT WITH MAINLAND CHINA. FORECAST TRACK PHILOSOPHY REMAINS CONSISTENT WITH PREVIOUS FORECASTS, TRACKING THE SYSTEM THROUGH THE TAIWAN STRAIT AND RECURVING SOUTH OF MAINLAND JAPAN. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210600Z IS 22 FEET. NEXT WARNINGS AT 211500Z, 212100Z, 220300Z AND 220900Z.// NNNN