WTPN31 PGTW 180300 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 27W (DOLPHIN) WARNING NR 031 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 180000Z --- NEAR 22.2N 137.3E MOVEMENT PAST SIX HOURS - 060 DEGREES AT 22 KTS POSITION ACCURATE TO WITHIN 060 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 - 045 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT REPEAT POSIT: 22.2N 137.3E --- FORECASTS: 12 HRS, VALID AT: 181200Z --- 23.5N 140.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 075 DEG/ 08 KTS --- 24 HRS, VALID AT: 190000Z --- 23.9N 142.5E 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: 090 DEG/ 05 KTS --- 36 HRS, VALID AT: 191200Z --- 23.9N 143.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 180300Z POSITION NEAR 22.5N 138.1E. TROPICAL STORM (TS) 27W (DOLPHIN) LOCATED APPROXIMATELY 270 NM SOUTHWEST OF IWO TO, HAS TRACKED EAST-NORTHEASTWARD AT 22 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 180000Z IS 16 FEET. NEXT WARNINGS AT 180900Z, 181500Z, 182100Z AND 190300Z. // NNNN