WTXS31 PGTW 110900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 24S (IVONE) WARNING NR 007// RMKS/ 1. TROPICAL CYCLONE 24S (IVONE) WARNING NR 007 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 110600Z --- NEAR 20.3S 79.1E MOVEMENT PAST SIX HOURS - 265 DEGREES AT 11 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 RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT 275 NM SOUTHEAST QUADRANT 180 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 20.3S 79.1E --- FORECASTS: 12 HRS, VALID AT: 111800Z --- 20.2S 76.5E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT 260 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 265 DEG/ 15 KTS --- 24 HRS, VALID AT: 120600Z --- 20.5S 73.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 250 DEG/ 14 KTS --- 36 HRS, VALID AT: 121800Z --- 21.3S 70.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 230 DEG/ 16 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 130600Z --- 23.3S 68.0E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 195 DEG/ 15 KTS --- 72 HRS, VALID AT: 140600Z --- 29.0S 66.3E 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 - 130 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 155 DEG/ 22 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 150600Z --- 36.7S 70.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 110900Z POSITION NEAR 20.3S 78.5E. 11MAR25. TROPICAL CYCLONE 24S (IVONE), LOCATED APPROXIMATELY 880 NM SOUTH-SOUTHEAST OF DIEGO GARCIA, HAS TRACKED WESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 110600Z IS 992 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 110600Z IS 31 FEET. NEXT WARNINGS AT 112100Z AND 120900Z. // NNNN