WTPN52 PGTW 082100 WARNING ATCG MIL 18W NWP 150908193008 2015090818 18W ETAU 009 02 355 21 SATL RADR 040 T000 333N 1380E 055 R050 035 NE QD 015 SE QD 015 SW QD 035 NW QD R034 090 NE QD 060 SE QD 055 SW QD 075 NW QD T012 363N 1365E 045 T024 388N 1350E 035 T036 414N 1349E 025 AMP 000HR BECOMING EXTRATROPICAL 012HR BECOMING EXTRATROPICAL 024HR BECOMING EXTRATROPICAL 036HR EXTRATROPICAL SUBJ: TROPICAL STORM 18W (ETAU) WARNING NR 009 1. TROPICAL STORM 18W (ETAU) WARNING NR 009 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 081800Z --- NEAR 33.3N 138.0E MOVEMENT PAST SIX HOURS - 355 DEGREES AT 21 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT REPEAT POSIT: 33.3N 138.0E --- FORECASTS: 12 HRS, VALID AT: 090600Z --- 36.3N 136.5E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL VECTOR TO 24 HR POSIT: 335 DEG/ 14 KTS --- 24 HRS, VALID AT: 091800Z --- 38.8N 135.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL VECTOR TO 36 HR POSIT: 360 DEG/ 13 KTS --- 36 HRS, VALID AT: 100600Z --- 41.4N 134.9E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 082100Z POSITION NEAR 34.1N 137.6E. TROPICAL STORM 18W (ETAU), LOCATED APPROXIMATELY 147 NM SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED NORTHWARD AT 21 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081800Z IS 13 FEET. NEXT WARNINGS AT 090300Z, 090900Z, 091500Z AND 092100Z. 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 264N1385E 40 1815090800 277N1382E 50 1815090806 291N1383E 45 1815090812 312N1383E 60 1815090812 312N1383E 60 1815090818 333N1380E 55 1815090818 333N1380E 55 NNNN