MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 15W (NAMTHEUN) WARNING NR 018 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 041800Z --- NEAR 33.1N 129.8E MOVEMENT PAST SIX HOURS - 010 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 025 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT REPEAT POSIT: 33.1N 129.8E --- FORECASTS: 12 HRS, VALID AT: 050600Z --- 35.3N 131.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL VECTOR TO 24 HR POSIT: 035 DEG/ 19 KTS --- 24 HRS, VALID AT: 051800Z --- 38.3N 134.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL VECTOR TO 36 HR POSIT: 035 DEG/ 22 KTS --- 36 HRS, VALID AT: 060600Z --- 42.0N 137.6E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 042100Z POSITION NEAR 33.7N 130.2E. TROPICAL STORM 15W (NAMTHEUN), LOCATED APPROXIMATELY 5 NM EAST OF SASEBO, JAPAN, HAS TRACKED AT 04 KNOTS OVER THE PAST SIX HOURS. NEXT WARNINGS AT 050300Z, 050900Z, 051500Z AND 052100Z.// NNNN NNNN