WTXS31 PGTW 250900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 04S (CHENGE) WARNING NR 019// RMKS/ 1. TROPICAL CYCLONE 04S (CHENGE) 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: 250600Z --- NEAR 7.8S 51.5E MOVEMENT PAST SIX HOURS - 295 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 035 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT REPEAT POSIT: 7.8S 51.5E --- FORECASTS: 12 HRS, VALID AT: 251800Z --- 7.2S 50.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 08 KTS --- 24 HRS, VALID AT: 260600Z --- 6.8S 48.4E 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 - 000 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 275 DEG/ 10 KTS --- 36 HRS, VALID AT: 261800Z --- 6.6S 46.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 250900Z POSITION NEAR 7.6S 51.1E. 25OCT25. TROPICAL CYCLONE 04S (CHENGE), LOCATED APPROXIMATELY 706 NM NORTH-NORTHEAST OF ANTANANARIVO, MADAGASCAR, HAS TRACKED WEST- NORTHWESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 250600Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 250600Z IS 16 FEET. NEXT WARNINGS AT 252100Z AND 260900Z. // NNNN