WTXS31 PGTW 312100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 27S (COURTNEY) WARNING NR 019// RMKS/ 1. TROPICAL CYCLONE 27S (COURTNEY) WARNING NR 019 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 311800Z --- NEAR 24.8S 88.8E MOVEMENT PAST SIX HOURS - 180 DEGREES AT 02 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 24.8S 88.8E --- FORECASTS: 12 HRS, VALID AT: 010600Z --- 25.5S 88.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 240 DEG/ 03 KTS --- 24 HRS, VALID AT: 011800Z --- 25.8S 88.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT --- REMARKS: 312100Z POSITION NEAR 25.0S 88.7E. 31MAR25. TROPICAL CYCLONE 27S (COURTNEY), LOCATED APPROXIMATELY 885 NM SOUTH-SOUTHWEST OF THE COCOS ISLANDS, HAS TRACKED SOUTHWARD AT 02 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 311800Z IS 986 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 21 FEET. NEXT WARNINGS AT 010900Z AND 012100Z. // NNNN