WTXS31 PGTW 232100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 04S (CHENGE) WARNING NR 016// RMKS/ 1. TROPICAL CYCLONE 04S (CHENGE) WARNING NR 016 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 231800Z --- NEAR 10.0S 57.9E MOVEMENT PAST SIX HOURS - 280 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 030 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 - 060 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 10.0S 57.9E --- FORECASTS: 12 HRS, VALID AT: 240600Z --- 9.4S 55.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 290 DEG/ 11 KTS --- 24 HRS, VALID AT: 241800Z --- 8.7S 53.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 285 DEG/ 10 KTS --- 36 HRS, VALID AT: 250600Z --- 8.2S 51.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 285 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 251800Z --- 7.7S 49.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 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 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS --- 72 HRS, VALID AT: 261800Z --- 7.2S 47.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 232100Z POSITION NEAR 9.8S 57.4E. 23OCT25. TROPICAL CYCLONE 04S (CHENGE), LOCATED APPROXIMATELY 607 NM NORTH OF PORT LOUIS, MAURITIUS, HAS TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 231800Z IS 1000 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231800Z IS 18 FEET. NEXT WARNINGS AT 240900Z AND 242100Z.// NNNN