WTPN33 PGTW 272100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 11W (NEPARTAK) WARNING NR 018 RMKS/ 1. TROPICAL STORM 11W (NEPARTAK) WARNING NR 018 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 271800Z --- NEAR 37.8N 142.0E MOVEMENT PAST SIX HOURS - 355 DEGREES AT 14 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 37.8N 142.0E --- FORECASTS: 12 HRS, VALID AT: 280600Z --- 39.5N 140.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 300 DEG/ 08 KTS --- 24 HRS, VALID AT: 281800Z --- 40.3N 138.5E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 285 DEG/ 06 KTS --- 36 HRS, VALID AT: 290600Z --- 40.6N 137.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 272100Z POSITION NEAR 38.2N 141.6E. 27JUL21. TROPICAL STORM 11W (NEPARTAK), LOCATED APPROXIMATELY 160 NM SOUTH-SOUTHEAST OF MISAWA, JAPAN, HAS TRACKED NORTHWARD AT 14 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 271800Z IS 18 FEET. NEXT WARNINGS AT 280300Z, 280900Z, 281500Z AND 282100Z. REFER TO TROPICAL DEPRESSION 09W (IN-FA) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. // NNNN