WARNING ATCG MIL 18W NWP 150908010020 2015090800 18W ETAU 006 02 350 18 SATL 020 T000 275N 1382E 045 R034 040 NE QD 030 SE QD 030 SW QD 035 NW QD T012 305N 1378E 050 R034 060 NE QD 060 SE QD 050 SW QD 050 NW QD T024 337N 1369E 055 R050 030 NE QD 030 SE QD 030 SW QD 030 NW QD R034 075 NE QD 075 SE QD 065 SW QD 065 NW QD T036 353N 1359E 040 T048 375N 1346E 030 T072 396N 1344E 020 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL STORM 18W (ETAU) WARNING NR 006 1. TROPICAL STORM 18W (ETAU) WARNING NR 006 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 080000Z --- NEAR 27.5N 138.2E MOVEMENT PAST SIX HOURS - 350 DEGREES AT 18 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT REPEAT POSIT: 27.5N 138.2E --- FORECASTS: 12 HRS, VALID AT: 081200Z --- 30.5N 137.8E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 345 DEG/ 16 KTS --- 24 HRS, VALID AT: 090000Z --- 33.7N 136.9E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 335 DEG/ 09 KTS --- 36 HRS, VALID AT: 091200Z --- 35.3N 135.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 335 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 100000Z --- 37.5N 134.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 72 HR POSIT: 355 DEG/ 05 KTS --- 72 HRS, VALID AT: 110000Z --- 39.6N 134.4E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 080300Z POSITION NEAR 28.3N 138.1E. TROPICAL STORM 18W (ETAU), LOCATED APPROXIMATELY 474 NM SOUTH OF YOKOSUKA, JAPAN, HAS TRACKED NORTHWARD AT 18 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080000Z IS 13 FEET. NEXT WARNINGS AT 080900Z, 081500Z, 082100Z AND 090300Z. REFER TO TYPHOON 03C (KILO) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// 1815090512 179N1415E 15 1815090518 186N1404E 15 1815090600 195N1396E 20 1815090606 204N1393E 20 1815090612 212N1392E 25 1815090618 221N1390E 30 1815090700 229N1386E 30 1815090706 238N1386E 30 1815090712 247N1385E 35 1815090718 257N1385E 35 1815090800 275N1382E 45 NNNN NNNN