WTPS31 PGTW 281500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 18P (EIGHTEEN) WARNING NR 002// RMKS/ 1. TROPICAL CYCLONE 18P (EIGHTEEN) WARNING NR 002 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 281200Z --- NEAR 18.9S 173.7E MOVEMENT PAST SIX HOURS - 145 DEGREES AT 20 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 005 NM SOUTHWEST QUADRANT 005 NM NORTHWEST QUADRANT REPEAT POSIT: 18.9S 173.7E --- FORECASTS: 12 HRS, VALID AT: 290000Z --- 22.5S 173.3E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 005 NM SOUTHWEST QUADRANT 005 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 205 DEG/ 14 KTS --- 24 HRS, VALID AT: 291200Z --- 25.0S 172.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 225 DEG/ 11 KTS --- 36 HRS, VALID AT: 300000Z --- 26.6S 170.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 281500Z POSITION NEAR 19.8S 173.6E. 28JAN26. TROPICAL CYCLONE 18P (EIGHTEEN), LOCATED APPROXIMATELY 272 NM WEST OF SUVA, FIJI, HAS TRACKED SOUTHEASTWARD AT 20 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 281200Z IS 998 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 281200Z IS 18 FEET. NEXT WARNINGS AT 282100Z, 290300Z, 290900Z AND 291500Z. // NNNN