WTPS31 PGTW 150900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 30P (THIRTY) WARNING NR 005// RMKS/ 1. TROPICAL CYCLONE 30P (THIRTY) WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 150600Z --- NEAR 20.7S 171.1E MOVEMENT PAST SIX HOURS - 140 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 BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 215 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 20.7S 171.1E --- FORECASTS: 12 HRS, VALID AT: 151800Z --- 25.4S 172.4E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT 220 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 195 DEG/ 25 KTS --- 24 HRS, VALID AT: 160600Z --- 30.3S 171.0E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT 220 NM SOUTHEAST QUADRANT 250 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT --- REMARKS: 150900Z POSITION NEAR 21.9S 171.4E. 15APR25. TROPICAL CYCLONE 30P (THIRTY), LOCATED APPROXIMATELY 240 NM SOUTHEAST OF PORT VILA, VANUATU, HAS TRACKED SOUTHEASTWARD AT 22 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 150600Z IS 988 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 150600Z IS 28 FEET. NEXT WARNINGS AT 151500Z, 152100Z AND 160300Z. // NNNN